Patent Briefing

PATENT BRIEFING

EUROPE

• European Patent Application 90,735 (1983) Lupus assay method and compositions LIPOSOME CORPORATION. A. S. Janoff, M. J. Ostro, A. L. Weiner, G. Weissmann and J. R. Seibold. A colorimetric method for the detection of antibodies specific for lupus erythematosus in human serum utilizes synthetic liposomes.
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• European Patent Application 91,326 (1983) Imaging with high aspect ratio tabular grain emulsions and nonplanar support elements EASTMAN KODAK CO. R. S. Van Heyningen. The preparation is given of a photographic element in which lateral image spreading is reduced and which gives sharp prints.
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• European Patent Application 91,555 (1983) Hollow microspheres with organosilicon-silicate surfaces PQ CORPORATION. B. W. Sands and R. J. Nehring Jr. The preparation of hollow microspheres having decreased surface energy and reactivity is described.
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• European Patent Application 92,356 (1983) Minute capsules APPLETON PAPERS INC. D. E. Hayford. The preparation of a self-contained copying paper is described.
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• European Patent Application 93,668 (1983) Microcapsule walls obtained by crosslinking of milk proteins CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE. M. C. Levy and D. Guerin. Microcapsule walls were produced by interfacial crosslinking of milk proteins. Their gastroresistance and enteric solubility were demonstrated.
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• European Patent Application 94,375 (1983) Method and mold for the manufacture of elastic shoe soles H. SCHAEFER and P. SCHAEFER. Elastic shoe soles were prepared by reaction—injection moulding of mixtures containing gas-filled vinylidene chloride copolymer microcapsules.
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• European Patent Application 94,692 (1983) Coated ubidecarenone-containing liposome EISAI CO. LTD. M. Takada, T. Yuzuriha, K. Katayama and J. Sunamoto. A liposome-containing drug coated with a polysaccharide fatty acid ester was selectively distributed to lungs, spleen and kidneys.
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• European Patent Application 95,968 (1983) Microcapsules with walls formed of a mixture of crosslinked polyholosides and proteins CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE. M. C. Levy and B. Gourdier. Drug microcapsules were prepared which are useful for the preparation of gastroresistant formulations.
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• European Patent Application 97,407 (1984) Vaccines against diseases causing bacteria with capsular polysaccharides RIJKSUNIVERSITEIT UTRECHT. H. Snippe, J. M. N. Willers, A. J. Van Houte, J. F. G. Vliegenthart, J. P. Kamerling and J. E. G. Van Dam. Oligosaccharides, with a high affinity against antibodies, were encapsulated in liposomes.
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• European Patent Application 99,109 (1984) Free-flowing ethyl cellulose microcapsules TANABE SEIYAKU CO. LTD. M. Samejima, G. Hirata and T. Ishibashi. A method for the microencapsulation of pharmaceuticals in ethyl cellulose gave microcapsules which passed through a 350 pm mesh screen.
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• European Patent Application 102,265 (1984) Injectable, long acting microparticle formulation for the delivery of antiinflammatory agents STOLLE RESEARCH AND DEVELOPMENT CORP. T. R. Tice, D. H. Lewis, D. R. Cowsar and L. R.. Beck. The title preparations were tested in vitro and in rabbits. They were effective for up to 1 month.
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• European Patent Application 102,335 (1984) Fiber composite materials impregnated with resin KEMA NORD AB. B. Anderson. Fibre webs having low density and high bending and tensile strengths were prepared.
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FINLAND

• Finnish Patent 65,111 (1983) Coating agent for paper AHLSTROM A., OY. A. Sutinen. Microcapsules containing paper coating materials were prepared.
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FRANCE

• French Demande 2,522,986 (1983) Microencapsulation with an aqueous phase EURAND FRANCE S. A. B. Scapinelli. Using shellac as the gastroresistant membrane, the microencapsulation of drugs in an aqueous phase is described.
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F.R. GERMANY

• German Offenlegungsschrift 3,203,059 (1983) Partially coated copying paper BAYER AG. G. Jabs, U. Nehen, W. Simm and J. M. Soeder. A simple, economical process for preparing partially coated carbonless pressure-sensitive copying paper is described.
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• German Offenlegungsschrift 3,218,121 (1983) Liposome—or erythrocyte—encapsulated neoplasm inhibitors P. LESKOVAR. Liposomes containing agents which stimulate macrophages were prepared.
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• German Offenlegungsschrift 3,223,124 (1983) Material for chemiluminescent production of light a. WEISE. The production of a chemiluminescent light source with controlled emission spectrum and reaction dynamics from microencapsulated reaction components is described.
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• German Offenlegungsschrift 3,224,456 (1984) Microcapsules containing polyamines and their use in producing polyurethanes BAYER AG. N. Weimann, P. Mueller, M. Dahm, U. Nehen, A. Awater and M. J. M. Barnes. The use of polyamine-containing microcapsules in the preparation of a flexible elastic foam is described.
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• German Offenlegungsschrift 3,228,533 (1984) Sustained-release pharmaceutical pellets for subcutaneous implantation COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH (INDIA). N. M. Khanna, S. K. Gupta, J. S. Sarin, S. Singh and M. Kanna. Pellets releasing a drug at a controlled rate over an extended time after subcutaneous implantation were prepared.
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• German Offenlegungsschrift 3,230,716 (1984) Heat-stable, large-grained, crosslinked starches with a hydrophobic coating and their use in recording materials HOFFMANN'S STAERKEFABRIKEN AG. D. Burmeister. The title products are useful for microencapsulation of colour formers in carbonless copying paper.
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• German Offenlegungsschrift 3,243,870 (1983) Pressure-sensitive recording material of the self-contained type KANZAKI PAPER MFG. CO. LTD. S. Okamoto and T. Shiozaki. The preparation of the title material is described.
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• German Offenlegungsschrift 3,245, 802 (1983) Electrostatographic toner material FUJI PHOTO FILM CO. LTD. N. liosoi. Pressure-fixable electrostatographic toner materials producing images of high sharpness and well fixed to the paper were prepared.
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• German Offenlegungsschrift 3,247,230 (1983) Microcapsules and their use in pressure-sensitive recording sheets JUJO PAPER CO. LTD. S. Egawa and M. Sakamoto. Microcapsules for use in pressure-sensitive recording sheets were prepared.
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• German Offenlegungsschrift 3,304,830 (1983) Microcapsules MITSUBISHI PAPER MILLS LTD. T. Shimazaki, T. Iida and M. Fuchigami. Microcapsules resistant to heat, solvents and impact and protecting labile contents were used in a carbon paper which gave a deep blue impression when used in typewriting.
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• German Offenlegungsschrift 3,306,504 (1983) Electrostatographic toner material FUJI PHOTO FILM CO. LTD. M. Takeshi. A pressure-fixable electrostatographic toner material was prepared.
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• German Offenlegungsschrift 3,328,267 (1984) Microporous silica gel beads TOY° SODA MFG. CO. LTD. J. Arika, E. Shiota and K. Yamamoto. Microporous silica gel beads were prepared with a diameter 3–20 pm, density O.28-041 gicm3, pore size 18 000–100 000 and surface area l000-1400m2/g.
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GERMAN DEMOCRATIC REPUBLIC

• German D.R. Patentschrift 160,393 (1983) Microcapsules AKADEMIE DER WISSENSCHAFTEN DER DDR, INSTITUT FUER POLYMERENCEM1E, H. Dautzenberg, F. Loth, K. Pommerening, K. J. Linow and D. Bartsch. A core of anionic polyelectrolyte is encapsulated in an elastic semipermeable or permeable wall which is mechanically strong and chemically resistant.
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JAPAN

• Japan Kokai Tokkyo Koho 57 48,780 (1982) Magnetic microcapsule toners RICOH CO., LTD. The preparation of magnetic microcapsule toners is described.
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• Japan Kokai Tokkyo Koho 57 124,343 (1982) Microcapsules and photoimaging materials containing these microcapsules FUJI PHOTO FILM CO., LTD. The preparation of microcapsules containing vinyl compounds and a photopolymerization initiator and their use in photoimaging materials is described.
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• Japan Kokai Tokkyo Koho 57 161,741 (1982) Thermal development type diazo copying paper RICOH CO., LTD. The preparation of a thermal development type diazo copying paper having excellent storage stability is described.
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• Japan Kokai Tokkyo Koho 57 169,391 (1982) Diazo type thermal recording materials TOMOEGAWA PAPER MFG. CO., LTD. NIPPON TELEGRAPH AND TELEPHONE PUBLIC CORP. The preparation of the title compositions having an excellent shelf life is given.
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• Japan Kokai Tokkyo Koho 57 169,745 (1982) Thermal development type diazo copying materials RICOH co., LTD. The preparation of a diazo copying paper having excellent storage stability is described.
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• Japan Kokai Tokkyo Koho 57 176,194 (1982) Pressure-sensitive copying paper FUJI PHOTO FILM CO., LTD. The preparation of a high-quality pressure-sensitive copying paper is given.
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• Japan Kokai Tokkyo Koho 57 176,195 (1982) Pressure-sensitive copying paper FUJI PHOTO FILM CO., LTD. The preparation of a pressure-sensitive copying paper is described.
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• Japan Kokai Tokkyo Koho 57 185,048 (1982) Pressure-fixable electrophotographic color toners CANON K. K. A toner was prepared which showed storage stability and was durable when used for continuous copying.
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• Japan Kokai Tokkyo Koho 57 185,186 (1982) Diazo thermal recording materials RICOH CO., LTD. A thermal recording sheet with excellent storage stability was prepared.
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• Japan Kokai Tokkyo Koho 57 187,294 (1982) Diazo heat-sensitive recording materials RICOH CO., LTD. Heat-sensitive diazo recording paper containing a microencapsulated coupler showed improved long-term storage stability before and after imaging.
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• Japan Kokai Tokkyo 57 189,129 (1982) Heat developable diazo copying papers RICOH CO., LTD.Copying paper containing a microencapsulated coupler showed improved preservability. The paper, when exposed to u.v. light and heat, developed to give a blue colour image.
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• Japan Kokai Tokkyo Koho 57 189,877 (1982) Single sheet pressure-sensitive copying paper KANZAKI PAPER MEG. CO., LTD. A copying paper was prepared exhibiting improved coloration characteristics and printability.
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• Japan Kokai Tokkyo Koho 57 190,942 (1982) Thermal development type diazo copying materials RICOH CO., LTD. A diazo copying paper having excellent storage stability and image quality was prepared.
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• Japan Kokai Tokkyo Koho 57 191,088 (1982) Pressure-sensitive copying paper KUREHA CHEMICAL INDUSTRY CO., LTD. A microencapsulated ink was printed on typing paper with a rubber stamp to form a pressure-sensitive copying area.
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• Japan Kokai Tokkyo Koho 57 197,535 (1982) Thermally developable diazo copying materials RICOH CO. LTD. Thermally developable diazo copying paper which produced images having high optical density and good lightfastness was prepared.
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• Japan Kokai Tokkyo Koho 57 197,536 (1982) Thermally developable diazo copying paper RICOH CO., LTD. The title paper can produce a copy showing excellent lightfastness.
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• Japan Kokai Tokkyo Koho 57 202,547 (1982) Pressure-fixable electrostatic latent image developers RICOH CO., LTD. A title composition with excellent development and transferring characteristics was prepared.
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• Japan Kokai Tokkyo Koho 57 203,588 (1982) Pressure-sensitive copying materials MITSUBISHI PAPER MILLS LTD. Microencapsulated colour formers, microencapsulated colour developers and a binder mixed in a solvent give an ink which when applied to a support produces a transfer-type pressure copying sheet.
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• Japan Kokai Tokkyo Koho 57 207,088 (1982) Plain-paper transfer-type pressure-sensitive imaging paper MITSUBISHI PAPER MILLS LTD. The title imaging paper may be used with a plain paper in a typewriter to give a clear black image.
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• Japan Kokai Tokkyo Koho 57 212,091 (1982) Hot-melt inks for pressure-sensitive copying systems MITSUBISHI PAPER MILLS LTD. Solid ink containing microencapsulated colour formers was hot-melt coated on to a paper support to give a pressure-sensitive sheet.
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• Japan Kokai Tokkyo Koho 58 05,287 (1983) Low-noise impact printer paper TOMOEGAWA PAPER MFG CO., LTD. NIPPON TSUSHIN GIJUTSU K. K. Paper slurries which contained water-containing microcapsules produced printer paper with low-noise impact.
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• Japan Kokai Tokkyo Koho 58 09,153 (1983) Pressure-fixable magnetic toner KONISHIROKU PHOTO INDUSTRY CO., LTD. The preparation of a pressure-fixable magnetic toner for use as a developer in an electrophotographic or electrostatic printing is described.
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• Japan Kokai Tokkyo Koho 58 10,748 (1983) Electrostatographic microcapsule toners TOMOEGAWA PAPER MFG. CO., LTD. A colour former and a colour developer are microencapsulated in a resin to give a pressure-fixing type electrostatographic toner which undergoes coloration during fixing.
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• Japan Kokai Tokkyo Koho 58 11,190 (1983) Pressure-sensitive copying papers TOMOEGAWA PAPER MFG. CO., LTD. A simply-prepared pressure-sensitive copying paper, when written on with a pen, produces a colour copy:
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• Japan Kokai Tokkyo Koho 58 30,435 (1983) Transfer printing of fabrics MIHARA KOGAKU GIJUTSU K. K. A paper or plastic film printed with compositions containing microen-capsulated indigo dyes is pressed together with the fabric to be printed and then exposed to ultra-violet light.
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• Japan Kokai Tokkyo Koho 58 55,036 (1983) Microencapsulation method KANZAKI PAPER MFG. CO., LTD. A method of microencapsulation especially useful in the preparation of pressure-sensitive copying paper is described.
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• Japan Kokai Tokkyo Koho 58 103,571 (1983) Pressure-sensitive adhesives MITSUBISHI PAPER MILLS LTD. A micrococapsule-containing, pressure-sensitive adhesive, easily coatable on to a paper support was prepared.
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• Japan Kokai Tokkyo Koho 58 122,973 (1983) Ink compositions for self-color-developing pressure-sensitive recording paper MITSUBISHI PAPER MILLS LTD. The preparation of the title compositions is described.
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• Japan Kokai Tokkyo Koho 58 124,536 (1983) Microcapsule slurry HODOGAYA CHEMICAL CO. LTD. The preparation of an aqueous microcapsule slurry is described.
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• Japan Kokai Tokkyo Koho 58 132,056 (1983) Fire-extinguishing coatings HOCHIKI CORPORATION. The coatings comprise a paint base and heat-rupturable microcapsules containing a fire-extinguishing agent.
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• Japan Kokai Tokkyo Koho 58 134,032 (1983) Monoclonal antibody-modified liposomes containing antitumor drugs Y. HASHIMOTO. Improved drug delivery to tumours, as demonstrated with mice, is effected by binding antibodies to tumours with liposomes and adding them to antitumour formulations.
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• Japan Kokai Tokkyo Koho 58 136,670 (1983) Pressure-sensitive adhesive-coated sheets MITSUBISHI PAPER MILLS LTD. A coated sheet which adheres instantaneously on pressing was prepared.
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• Japan Kokai Tokkyo Koho 58 137,441 (1983) Preparation of microcapsule slurries HODOGAYA CHEMICAL CO., LTD. Pressure-sensitive copying paper was prepared which gave high quality images without background blemishes.
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• Japan Kokai Tokkyo Koho 58 138,726 (1983) Epoxy resin compositions MATSUSHITA ELECTRIC INDUSTRIAL co., LTD. Epoxy resin potting compositions were prepared containing hollow microsphere fillers, fireproofing agents and acid anhydride hardeners.
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• Japan Kokai Tokkyo Koho 58 138,728 (1983) Epoxy resin compositions MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. Epoxy resin potting compositions were prepared containing hollow microspheres, fireproofing agents and amine hardeners.
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• Japan Kokai Tokkyo Koho 58 141,255 (1983) Wax-type encapsulated ink MITSUBISHI PAPER MILLS LTD. Hot-melt and cold-setting encapsulated ink was prepared which gives clear blue letters on paper.
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• Japan Kokai Tokkyo Koho 58 142,944 (1983) Solid coating materials PENTEL CO., LTD. A rod-shaped coating material which possessed good hiding power when rubbed over aqueous ball point pen writing was prepared. The coating can be written over with an aqueous ball point pen.
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• Japan Kokai Tokkyo Koho 58 148,789 (1983) Pressure-sensitive copying papers MITSUI TOATSU CHEMICALS INC. The preparation of pressure-sensitive copying papers is described.
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• Japan Kokai Tokkyo Koho 58 160,369 (1983) Decorative emulsion coating materials for inorganic panels NIPPON PAINT co., LTD. The decorative emulsion coating contains inorganic hollow sphere pigments.
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• Japan Kokai Tokkyo Koho 58 162,295 (1983) Methods for transformation of animal or plant cells M. FURUSAWA. Animal or plant cells can be transformed by the use of DNA-containing erythrocyte ghosts.
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• Japan Kokai Tokkyo Koho 58 164,678 (1983) Flat-faced luminescent materials DAINIPPON PRINTING co., LTD. Luminescent materials useful for information media and wall-type displays were prepared. A coated paper gave out a coloured light on rubbing with a spatula.
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• Japan Kokai Tokkyo Koho 58 169,773 (1983) Sintered electrode base for secondary alkaline batteries MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. The preparation of a title electrode is described from a slurry incorporating microcapsules containing a low-boiling-point hydrocarbon.
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• Japan Kokai Tokkyo Koho 58 170,535 (1983) Microcapsules DENKI KAGAKU KOGYO K. K. Microcapsules useful for encapsulating dyes in carbonless copying papers are storage-stable and moisture-resistant.
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• Japan Kokai Tokkyo Koho 58 174,957 (1983) Electrophotographic microcapsule toner for fixation with heated roller CANON K. K. Use of the title preparation showed excellent performance at 200°C without offset phenomena.
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• Japan Kokai Tokkyo Koho 58 176,642 (1983) Microcapsule toners for heat roller fixing CANON K. K. Electrophotographic microcapsule toners were prepared.
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• Japan Kokai Tokkyo Koho 58 176,643 (1983) Microcapsules toners for heat roller fixing CANON K. K. Microencapsulated electrophotographic toners were prepared.
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• Japan Kokai Tokkyo Koho 58 182,644 (1983) Microcapsule toner for electrophotography FUJI PHOTO FILM CO., LTD. A method is described for preparing a microcapsule toner by heat treatment of double-walled microcapsules containing a printing material and a binder. The resultant toner has improved powder characteristics and avoids lump formation which can result in loss of image resolution and sharpness.
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• Japan Kokai Tokkyo Koho 58 183,601 (1983) Weather resistant controlled release pheromone preparation SHIN-ETSU CHEMICAL INDUSTRY CO., LTD. The preparation of the title composition is described.
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• Japan Kokai Tokkyo Koho 58 185,694 (1983) Metal-drawing lubricants CENTRAL GLASS CO., LTD. Compositions containing microencapsulated graphite fluoride were prepared that gave excellent lubricity, chemical resistance and dispersibility.
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• Japan Kokai Tokkyo Koho 58 185,798 (1983) Self-lubricating electrodeposits CENTRAL GLASS CO., LTD. A nickel-electroplating bath containing microencapsulated fluorinated graphite was used to plate a brass piece.
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• Japan Kokai Tokkyo Koho 58 189,030 (1983) Microencapsulation KANZAKI PAPER MFG. CO., LTD. A formulation containing microencapsulated hydrophobic dyes when applied to 'paper produced an excellent pressure-sensitive carbonless copying paper.
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• Japan Kokai Tokkyo Koho 58 189,031 (1983) Pharmaceutical double encapsulation BATTELLE DEVELOPMENT CORPORATION. MITSUBISHI CORPORATION. Controlled-release pharmaceutical capsules comprise microcapsules enclosed in larger capsules.
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• Japan Kokai Tokkyo Koho 58 191,771 (1983) Flexographic capsule inks MITSUBISHI PAPER MILLS LTD. Microcapsules consist of inks in melamine resin walls.
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• Japan Kokai Tokkyo Koho 58 194,754 (1983) White glass microspheres SONY CORP. HOYA CORP. The preparation of white glass microspheres, useful in multicolour rotating reflectors, is described.
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• Japan Kokai Tokkyo Koho 58 194,810 (1983) Microencapsulation and sugar coating of pharmaceuticals and food MORISHITA JINTAN CO., LTD. Medicinal compositions and liquid foods can be microencapsulated then coated with powder and sugar. The method is useful for masking unpleasant tastes of medicines.
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• Japan Kokai Tokkyo Koho 58 196,242 (1983) Encapsulated blowing agents for foam moldings NAGOYA YUKAGAKU KOGYO K. K. Lightweight moulded closed-celled foam slabs having excellent strength and sound and thermal insulating properties were prepared.
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• Japan Kokai Tokkyo Koho 58 196,842 (1983) Production of microcapsules which do not aggregate TANABE SEIYAKU CO., LTD. The preparation of non-aggregating microcapsules is described.
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• Japan Kokai Tokkyo Koho 58 206,068 (1983) Anodes for lead-acid batteries SHIN-KOBE ELECTRIC MACHINERY CO., LTD. The preparation of high porosity anodes from a paste containing microencapsulated low-hailing-point hydrocarbon is described.
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• Japan Kokai Tokkyo Koho 58 209,588 (1983) Transfer recording sheet for confidential documents MITSUBISHI PAPER MILLS LTD. A pressure-sensitive recording sheet was prepared, placed over a paper and written on with a ball-point pen. Latent images on the paper were developed on spraying with a developer.
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• Japan Kokai Tokkyo Koho 58 210,842 (1983) Colloidal silica microcapsules CANON K. K. The preparation of microcapsules containing colloidal silica is described.
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• Japan Kokai Tokkyo Koho 58 210,970 (1983) Coating compositions CENTRAL GLASS CO., LTD. Formulations containing microencapsulated graphite fluoride when coated on steel and heated to 190-200C did not foam, ignite or burn.
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• Japan Kokai Tokkyo Koho 58 210,981 (1983) Lubricant and water repellent aerosols CENTRAL GLASS co., LTD. Aerosols containing microencapsulated lubricant produce durable coatings on steel with lower friction coefficients than non-microencapsulated lubricants.
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• Japan Kokai Tokkyo Koho 58 213,627 (1983) Uniform zeolite A microspheres NIPPON CHEMICAL INDUSTRIAL CO., LTD. Zeolite microspheres, 96% of which had a diameter of 1–6 pm, were prepared.
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• Japan Kokai Tokkyo Koho 58 213,711 (1983) Porphyriniron (II) complex-liposome inclusion compounds as blood substitutes for oxygen transport H. TSUCHIDA. The preparation of the title compounds is described.
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• Japan Kokai Tokkyo Koho 58 219,240 (1983) Thermoplastic resin beads MITSUBISHI CHEMICAL INDUSTRIES CO., LTD. Highly spherical beads 5–30 pm diameter were prepared.
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• Japan Kokai Tokkyo Koho 58 224,752 (1983) Preparation of offset printing plates MITSUBISHI PAPER MILLS LTD. The preparation of a high-quality offset printing plate is described.
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• Japan Kokai Tokkyo Koho 59 01,506 (1984) Fine polymer particles obtained by plasma polymerization and containing inorganic or organic fine particles
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• Japan SYNTHETIC RUBBER CO., LTD. The title particles, which have good chemical stability, may be used as encapsulated hardeners for epoxy adhesives and may be stored for 6 months at SO'C without hardening but harden on heating to 100C.
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• Japan Kokai Tokkyo Koho 59 02,845 (1984) Preparation of offset printing plates MITSUBISHI PAPER MILLS LTD. The preparation of an offset printing plate from a water-resistant support and microencapsulated photocurable resins is described.
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• Japan Kokai Tokkyo Koho 59 05,093 (1984) Thermal recording material RICOH CO., LTD. The preparation of a thermal recording paper with improved image optical density is described.
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• Japan Kokai Tokkyo Koho 59 06,939 (1984) Microencapsulation of phloroglucinol coupler for heat-sensitive recording paper RICOH CO., LTD. The preparation of phloroglucinol microcapsules is described.
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• Japan Kokai Tokkyo Koho 59 07,101 (1984) Fruit fly attractant and insecticide composition TOA GOSEI CHEMICAL INDUSTRY CO., LTD. ZAIDAN HOJIN NORIN SUISAN K. K. Microencapsulated formulations containing fruit fly attractants and insecticides were effective against citrus fruit flies.
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• Japan Kokai Tokkyo Koho 59 10,512 (1984) Manufacture of sustained-release microcapsules TANABE SEIYAKU CO., LTD. Microcapsules were prepared from active ingredients and enteric-soluble high molecular weight substances coated with ethyl cellulose.
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• Japan Kokai Tokkyo Koho 59 15,470 (1984) Assembly of automobile parts TOYOTA MOTOR CO., LTD. Automobile parts are assembled using fast-curing 2-package thermosetting adhesives containing microencapsulated curing agents. On pressing and heating the assembly, the curing agents are released.
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• Japan Kokai Tokkyo Koho 59 18,730 (1984) Friction materials MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. Oil-impregnated polymer mouldings, with lubricating oil added as microcapsules, are useful as friction materials in electromagnetic clutches, brakes etc.
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• Japan Kokai Tokkyo Koho 59 19,949 (1984) Microcapsule toner KONISFIIROKU PHOTO INDUSTRY CO., LTD. Microcapsule toners with high fixability and well-dispersed colorants are readily produced.
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• Japan Kokai Tokkyo Koho 59 19,950 (1984) Microcapsule toner KONISHIROKU PHOTO INDUSTRY CO., LTD. A method is given for the ready production of a microen-capsulated toner with good fixability in pressure-fixing and well dispersed colorants.
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• Japan Kokai Tokkyo Koho 59 20,218 (1984) Vitamin K-containing liposomes as pharmaceuticals EISAI CO., LTD. Vitamin K-containing liposomes when administered orally to rabbits showed improved bioavailability compared with vitamin K alone.
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• Japan Kokai Tokkyo Koho 59 21,625 (1984) Blood coagulation factor VIII incorporation into liposomes GREEN CROSS CORPORATION. Liposomes for the treatment of haemophilia were prepared containing blood coagulation factor VIII, the fibrinogen contaminant of which was eliminated.
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• Japan Kokai Tokkyo Koho 59 26,139 (1984) Microcapsule toner for electrophotography CANON K. K. A toner which was used for 20 000 copies at 18 kg/cm was prepared.
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• Japan Kokai Tokkyo Koho 59 33,214 (1984) Microspherical 1-n-hexylcarbanoy1-5-fluorouracil preparations as antitumor agents MITSUI TOATSU CHEMICALS INC. The preparation of the title compounds, which have sustained release action and minimal side effects is described.
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• Japan Kokai Tokkyo Koho 59 36 262 (1984) Pressure-fixable toner CANON K. K. An electrostatographic toner having good pressure fixability, no offsetting and good image formation was prepared.
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• Japan Kokai Tokkyo Koho 59 38,090 (1984) Thermal copying materials RICOH CO., LTD. A thermal paper providing a high image optical density upon exposure to infra-red was prepared.
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• Japan Kokai Tokkyo Koho 59 38,725 (1984) Liquid crystal thin films KYOSHIM CO., LTD. The preparation of liquid crystal thin films using microencapsulated cholesteric liquid crystals is described.
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PCT

• PCT Application 84 00,294 (1984) Crystallized carbohydrate matrix for biologically active substances, and its use U. SCHROEDER. The preparation of stabilized spheres containing ovalbumin is described.
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• PCT Application 83 03,061 (1983) Dual microcapsules BATTELLE DEVELOPMENT CORPORATION. D. L. Gardner. The dual microcapsules consist of an outer membrane containing liquid 1 and a minimicrocapsule with semipermeable walls containing liquid 2 with a conjugated drug. This can diffuse at a controlled rate into liquid 1 which contains the deconjugating agent so that the drug is released.
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• PCT Application 83 03,521 (1983) Stabilized insecticide composition EGYT GYOGYSZERVEGYESZETI GYAR. P. Fekete, K. Magyar, A. Mayer, J. Kelemen and K. Toth. A stable microencapsulated insecticidal composition can be fed to ruminants to inhibit the propagation of flies in their excrement.
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• PCT Application 83 03,761 (1983) Isonitrile radionuclide complexes for labelling and imaging agents HARVARD COLLEGE; MASSACHUSETTS INSTITUTE OF TECHNOLOGY. A. G. Jones, A. Davison and M. J. Abrams. The title compounds are useful for labelling liposomes and as imaging agents, whereby vascular embolus can be detected in the lung.
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• PCT Application 83 04,220 (1983) Pressure-sensitive copying paper MITSUBISHI PAPER MILLS LTD. T. Toni, H. Senoh and T. Kosaka. The quality and colour of the prepared copying paper was stable even under stringent test conditions.
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ROMANIA

• Romanian Patent 76,732 (1983) Microencapsulation of S[1,2-di(ethoxycarbonyl)ethyl] dimethyl phosphorothiolothionate INSTITUTUL DE CHIMIE MACROMOLECULARA "PETRU PONI". D. Dragan and A. Carpov. Microcapsules of 1O-25m diameter of the title compound were prepared.
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• Romanian Patent 80,056 (1982) Conditioning of sodium and magnesium aluminosilicates in tablet form INTREPRINDEFtEA DE MEDICAMENTE "BIOFARM". N. Oita, L. Enescu, C. Stanciu, S. Grigorescu and D. Rosca. The title compounds which are useful for gastric mucosa protection and antiulcer action, were prepared. South African Patent 83 02,197 (1983) Stable plurilamellar vesicles LIPOSOME CORPORATION. R. P. Lenk, M. W. Fountain, A. S. Janoff, J. M. Ostro and M. C. Popescu. Lipid vesicles are prepared which are stable, highly efficient, cost effective and able to cure diseases not previously cured.
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SOUTH AFRICA

• UK Patent Application 2,113,416 (1983) Photosensitive silver halide photographic material KONISHIROKU PHOTO INDUSTRY CO., LTD. T. Iijima, S. Koboshi and H. Yamazaki. A silver halide colour photographic material which can form a dye image by one bath processing was prepared.
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UK

• UK Patent Application 2,114,466 (1983) Articles of reinforced acrylic sheet material TWYFORDS LTD. R. Griffiths. Bathtubs, shower trays etc are formed from moulded acrylic sheets layered with glass fibre-reinforced polyester containing hollow glass microspheres and encapsulated glass fibres.
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• UK Patent Application 2,122,490 (1984) Controlled release oral mixtures containing microencapsulated pharmaceuticals ASTRA LAKEMEDEL AB. A. G. V. Kallstrand, K. J. Mattsson and R. I. Sjoqvist. The presence of a carbohydrate or related compound controls the release, masks the taste and stabilizes the active ingredient of an encapsulated pharmaceutical.
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USA

• US Patent 4,404,828 (1983) Lubricant composition and method of drawing a metal wire BLACHFORD, H. L., LTD. J. Blachford. A wire-drawing composition contains microencapsulated lubricant which is released by rupture of the microcapsules in the die at the site where it is required.
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• US Patent 4,411,795 (1983) Particle adsorption BAXTER TRAVENOL LABORATORIES INC. W. P. Olson. Lipid particles and microorganisms can be removed from aqueous suspensions by an adsorbent coated on to nylon wool.
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• US Patent 4,411,798 (1983) Separating deuterium oxide [D20] from water using surfactant systems STANDARD OIL co. K. S. Chan. To separate D20 from solutions, a surfactant system was added which became enriched with D2O. Addition of 0.2% octane produced coacervation in which enrichment of D20 was observed.
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• US Patent 4,413,069 (1983) Composition with selectively active modifier J. W. MARSHALL. To release reagents into matrix materials in situ, the reagent is dispersed in the matrix in microcapsules which also contain substances which rupture the capsules in response to electromagnetic radiation.
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• US Patent 4,413,070 (1983) Polyacrolein microspheres CALIFORNIA INSTITUTE OF TECHNOLOGY. A. Rembaum. Microspheres were prepared which can be used to bind pharmaceuticals, antibodies and other proteins. Magnetic microspheres were formed by the addition of iron oxide.
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• US Patent 4,416,859 (1983) Countercurrent solids-fluid contactor GE TECHNOLOGIES, INC. L. C. Brown and R. Klasen. An improved method and an apparatus are described which is especially suitable for washing salt from alumina microspheres.
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• US Patent 4,416,872 (1983) Treatment of malaria with liposomes containing 8-aminoquinoline derivatives and glycoconjugates UNITED STATES DEPT. OF THE ARMY. C. R. Alving and E. A. Steck. Liposomes containing the title compounds were tested on mice infected with Plasmodium berghei sporozoites.
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• US Patent 4,428,869 (1984) Cologne consisting of microcapsule suspension INTERNATIONAL FLAVORS AND FRAGRANCES INC. M. A. Munteanu, C. Cseko, E. S. Oltarzewski, J. I. Lindauer and D. A. Withycombe. Perfume applications such as colognes releasing high intensity fragrance evenly for an extensive period, and yielding different aromas in a controlled fashion, were prepared. A cologne was prepared displaying intense rose fragrance for 5 hours followed by a guiacwood fragrance which lasted an additional 24 hours.
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• US Patent 4,429,085 (1984) Microencapsulated aqueous polymerization catalyst GOODYEAR TIRE AND RUBBER CO. J. N. Henderson, K. W. Donbar, J. J. Barbour and A. J. Bell. Syndiotactic 1,2-polybutadiene was prepared in an aqueous medium using a microencapsulated polymerization catalyst.
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• US Patent 4,430,448 (1984) Elastic molded body comprising a cell structure P. SCHAEFER, C. PICKER AND H. SCHAEFER. An elastic moulded body containing microspheres of gas exhibited good chemical, hydrolytic and fire resistance properties.
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• US Patent 4,436,719 (1984) Microencapsulated insecticidal persistency through the use of gelatin PENNWALT CORP H. L. Lindaberry. Microencapsulated insecticide containing gelatin displayed increased persistence in the control of cricket in soybeans.
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• US Patent Application 340,624 (1984) Method and apparatus for controlled size distribution of gel microspheres formed from aqueous dispersions UNITED STATES DEPT. OF ENERGY. A. D. Ryon, P. A. Haas and J. S. Vavruska. A population of dense, closely size-controlled microspheres useful in vibratorrpacked processes for nuclear fuels in reactors was prepared.
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• US Patent Application 343,803 (1984) Forming microspheres for encapsulation of nuclear waste UNITED STATES DEPT. OF ENERGY. P. Angelini, A. J. Caputo, R. E. Hutchens, W. J. Lackey and D. P. Stinton. The preparation of microspheres for nuclear waste storage is described.
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• US Patent Application 394,560 (1983) Apparatus for contacting particulate material with processing fluid UNITED STATES DEPT. OF ENERGY. P. A. Haas and A. D. Ryon. An apparatus for washing nuclear fuel microsphere particles with countercurrent fluids in a continuous flow process is described.
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• US Patent Application 429,924 (1984) Glass microspheres with conducting surfaces W. E. ELSHOLZ. A method for producing glass microspheres with a variety of conducting surface coatings is described.
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• US Patent Application 508,692 (1983) Blood substitute UNITED STATES DEPT. OF THE NAVY. B. P. Gaber, P. Yager, J. P. Sheridan and E. L. Chang. A blood substitute containing encapsulated stroma-free Hb was prepared and various properties determined.
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USSR

• USSR Patent 1,034,759 (1983) Gelatin microcapsules ALL-UNION SCIENTIFIC-RESEARCH INSTITUTE OF FIRE PREVENTION. V. M. Zhartovskii and V. G. Danilenko. Preparation of gelatin microcapsules is described.
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• USSR Patent 1,045,906 (1983) Microcapsules for dyes ALL-UNION SCIENTIFIC-RESEARCH INSTITUTE OF THE CHEMICAL INDUSTRY. L. B. Verkholantseva, M. E. Kartasheva, V. V. Voronov and E. A. Ul'yankin. Microcapsules containing dyes were prepared, their strength being increased and their agglomeration prevented by additional treatment prior to heating.
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• USSR Patent 1,060,636 (1983) Carbonized cellular plastic VLADIMIR POLYTECHNIC INSTITUTE. A. D. Mitrofanov, L. V. Fanova, Z. A. Kudryavtseva, I. N. Yakunchenkov and N. Y. Vavilina. The preparation of the title composition from phenolic resin microspheres is described.
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• USSR Patent 1,079,647 (1984) Microencapsulating fertilizers into a sulphur envelope BELORUSSIAN TECHNOLOGICAL INSTITUTE. I. M. Plekhov, E. I. Levdanskii, V. I. Lobachevskii, V. S. Strel'chenok and G. A. Usov. The preparation of granules with greater strength of fertilizer, better quality and lower hygroscopicity is described.
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