Patent Briefing

PATENT BRIEFING

CANADA

• Oral pharmaceutical liposomes for delivery to Peyer's patches S. Tsuchiya and Y. Aramaki Can Pat Appl 2,052,164 (1992) CA118–175799
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CHINA

• Microcapsulated liquid crystal-containing thermally color-changeable printing inks F. Huang and B. Wang [Beifang Investment Development Co] Faming Zhuanli Shenqing Gongkai Shuomingshu 1,062,744 (1992) CA119–010609
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EUROPE

• Microencapsulated electrostatographic toner B. Song and G. Sacripante [Xerox Corp] Eur Pat Appl 416,897 (1991) CA119–037458
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• Preparation of microcapsules H. Nagano, K. Niwa and T. Hayashi [Fuji Photo Film Co Ltd] Eur Pat Appl 503,291 (1992) CA118–171887
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• Preparation of microcapsules by interfacial polymerization of polyfunctional aziridines B. L. Due11 and D. B. Pendergrass [Minnesota Mining and Mfg Co] Eur Pat Appl 508,576 (1992) CA118–235476
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• A curable polyoxyalkylene derivative containing hollow microspheres M. Fujita and H. Wakabayashi [Kanegafuchi Kagaku Kogyo K.K.] Eur Pat Appl 520,426 (1992) CA119–009836
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• Process for preparing nanoparticles of lactide-alkylene oxide copolymers G. Spenlehauer, D. Bazile, M. Veillard, C. Prud Homme and J. P. Michalon [Rhone-Poulenc Rorer SA] Eur Pat Appl 520,889 (1992) CA119–010051
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• Surface-modified sulfonate group-containing liposomes H. Rutner, J. D. Readio and L. Oppenheimer [Becton Dickinson and Co] Eur Pat Appl 524,804 (1993) CA118–164737
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• Drug-containing protein-bonded liposome T. Tagawa, S. Hosokawa and K. Nagaike [Mitsubishi Kasei Corp] Eur Pat Appl 526,700 (1993) CA118–175808
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• Manufacture of uniform silica microspheres M. Ipponmatsu, M. Nishigaki, A. Hirano and T. Tsurutani [Osaka Gas Co Ltd, Liquid Gas Co Ltd] Eur Pat Appl 528,201 (1993) CA118–194660
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• Microencapsulation of pesticides R. Nastke, A. Loenhardt and E. Neuenschwander [Ciba-Geigy A-G] Eur Pat Appl 532,463 (1993) CA118–249829
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• The use of liposomal formulations containing papaverine for the treatment of male impotence M. G. Di Schiena [Ricerche Di Schiena SNC] EU), Pat Appl 534,916 (1993) CA118–261018
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• Biocompatible emulsion particles containing polymer carriers M. Nair Eastman Kodak Corn [Eastman Kodak Co] Eur Pat Appl 535,534 (1993) CA119–034316
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• Liposomes containing volatile inhalation anesthetics J. Schmitt, J. Nehne, S. Berger and H. Peter [Braun, B., Melsungen AG] Eur Pat Appl 535,567 (1993) CA118–219881
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• Prolonged-release microparticles containing biodegradable polymers S. Takada, Y. Ogawa and Y. Uda [Takeda Chemical Industries Ltd] Eur Pat Appl 535,937 (1993) CA118–240960
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• Formation of protein microparticles by antisolvent precipitation P. G. Debenedetti, G. B. Lim and R. K. Prud Homme [Princeton University] Eur Pat Appl 542,314 (1993) CA119–044718
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• Chitosan for preparation of sustained-release microcapsules A. Freeman [Ramot University Authority for Applied Research and Industrial Development Ltd] Eur Pat Appl 543,572 (1993) CA119–034336
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FRANCE

• Liposome-incorporated rosemary extract as an antioxidant for cosmetics and pharmaceuticals Q. L. Nguyen and A. Ribier [Oreal SA] Fr Demands 2,676,361 (1992) CA118–175489
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GERMANY

• Microencapsulation of powders or flocs containing siloxanes H. Eck, G. Fleischmann, H. Hopf, E. Innertsberger and J. Schmidlkofer [Wacker-Chemie G.m.b.H.] Ger Offen 4,108,286 (1992) CA118–235474
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• Sustained-release polymer microparticles for drugs, cosmetics and foods R. Bodmeier Ger Offen 4,122,591 (1993) CA118–175815
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• Aqueous dispersions of fluorocarbon-containing liposomes U. Gross, S. Ruediger and W. Radeck [Zentralinstitut fuer Anorganische Chemie] Ger Offen 4,127,442 (1993) CA118–240945
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• Continuous preparation of colloidal systems in the form of nanocapsules or nanoparticles F. J. G. Valdivia, J. A. V. Mas and M. Bergamini [Laboratorios Cusi SA] Ger.Offen 4,128,910 (1993) CA118–261616
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• Liposomes from esters of citric acid succinic acid with ethoxylated fatty alcohols F. Schambil, U. Ploog and G. L. Striepling [Henkel K.-G.a.A.] Ger Offen 4,131,878 (1993) CA118–198248
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• Lysolecithin ethers and alkylphosphocholines in liposomes for intravenous administration H. Eibl, K. P. Kaufmann and C. Unger [Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.] Ger Offen 4,132,345 (1993) CA119–034313
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• Microcapsule-ink composition A. Nakanishi, K. Totani, K. Wakata and S. Shioi [Kanzaki Paper Mfg Co Ltd] Ger Offen 4,212,827 (1993) CA118–202185
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• Sustained-release microspheres containing LHRH analogs P. Orsolini and F. Heimgartner [Debio Recherche Pharmaceutique SA] Ger Offen 4,223,282 (1993) CA118–198209
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• Formulation of peptide drugs as sustained-release microspheres P. Orsolini and F. Heimgartner [Debio Recherche Pharmaceutique SA] Ger Offen 4,223,284 (1993) CA119–034310
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ISRAEL

• Microencapsulation of herbicides in polyurea M. Arie, P. Zvi and A. Nadav [Ben-Gurion University of the Negev] Israeli 87,928 (1992) CA118–163257
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JAPAN

• Purification of transcription factors by affinity chromatography using DNA ligands immobilized on microspheres H. Kawaguchi, Y. Inomata and H. Handa [Nippon Zeon KK] jpn Kokai Tokkyo Koho 04 46,193 (1992) CA118–251048
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• Polymer films and sheets containing microencapsulated UV absorbers with improved weather resistance N. Nishikawa and M. Inoue [Mitsubishi Rayon Co Ltd] jpn Kokai Tokkyo Koho 04 213,348 (1992) CA118–170586
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• Lightweight multilayer resin composites containing hollow microspheres and fibers S. Yamamoto and M. Inoue [Teijin Ltd] jpn Kokai Tokkyo Koho 04 214,338 (1992) CA118–170569
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• Pressure-transfer photohardenable photoimaging color microcapsules K. Inaishi [Brother Ind Ltd] Jpn Kokai Tokkyo Koho 04 249,250 (1992) CA118–180051
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• Noncarbon pressure-sensitive copying paper containing desensitizing microcapsules with yeast shell Y. Murakami and S. Tatezawa [Mitsubishi Paper Mills Ltd] jpn Kokai Tokkyo Koho 04 255,389 (1992) CA118–202189
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• Microencapsulation of oil-in-water emulsions T. Nakamura [Fuji Photo Co Ltd] jpn Kokai Tokkyo Koko 04 265,152 (1992) CA119–037401
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• Manufacture of photosensitive microcapsules and photosensitive material therefrom [Fuji Photo Film Co Ltd] jpn Kokai Tokkyo Koko 04 267,942 (1992) CA118–201921
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• Microcapsules and method for their manufacture M. Matsuda and T. Tanaka [Nicca Chemical Co Ltd] Ypn Kokai Tokkyo Koho 04 277,027 (1992) CA118–193227
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• Preparation of dispersions of hydrophilic monodisperse polymer microparticles A. Furukawa [Mitsubishi Paper Mills Ltd] Ypn Kokai Tokkyo Koho 04 279,605 (1992) CA118–213747
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• Hollow polymer microparticles F. Sakurai, K. Kasai and M. Kondo [Japan Synthetic Rubber Co Ltd] Ypn Kokai Tokkyo Koho 04 279,637 (1992) CA118–236005
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• Maleic anhydride-styrene copolymer as emulsifier of microcapsules for reversible thermochromic sheets H. Goto [Ricoh Co Ltd] jpn Kokai Tokkyo Koho 04 281,837 (1992) CA119–010085
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• Thermal recording composition comprising microcapsules containing microemulsion T. Matsushita and S. Takahashi [Mitsubishi Paper Mills, Ltd] jpn Kokai Tokkyo Koho 04 282,289 (1992) CA118–222952
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• Polyurea microencapsulation compositions for color formers of pressure-sensitive copying paper H. Kumamoto and S. Irii [Kanzaki Paper Mfg Co Ltd] jpn Kokai Tokkyo Koho 04 290,538 (1992) CA118–214541
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• Microencapsuled composites and their formation T. Ueda [Origin Electric Co Ltd] jpn Kokai Tokkyo Koho 04 290,539 (1992) CA118–214540
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• Heat-expandable microcapsule-containing aqueous compositions and peeling coatings therewith T. Shibata, S. Naka and M. Yokoi [Cosmo Giken KK] jpn Kokai Tokkyo Koho 04 292,668 (1992) CA118–215037
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• Microcapsule toner composition [Xerox Corp] jpn Kokai Tokkyo Koho 04 296,869 (1992) CA119–059654
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• Microcapsules with inorganic shells as fillers for resins Y. Takahashi and N. Yamazaki [Pentel Co Ltd] Ypn Kokai Tokkyo Koho 04 300,646 (1992) CA118–214294
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• Rodent repellent microcapsules containing bis(2-chloro-1-methylethyl) ether M. Sakakibara, T. Takakura and T. Yasue [Showa Denko KK] jpn Kokai Tokkyo Koho 04 308,502 (1992) CA118–163285
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• Preparation of microcapsule toners for electrophotographic developers H. Ito [Seiko Epson Corp] jpn Kokai Tokkyo Koho 04 311,965 (1992) CA118–263861
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• Thermal printing material containing microencapsulated dye precursor and developer and its manufacture T. Shimomura [Fuji Photo Film Co Ltd] jpn Kokai Tokkyo Koho 04 320,887 (1992) CA118-202160 IVIicrocapsules for pressure- or heat-sensitive recording films and their preparation N. Hosoi and N. Ikeda [Fuji Photo Film Co Ltd] Ypn Kokai Tokkyo Koho 04 326,939 (1992) CA119–010136
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• Microencapsulated toner containing near infrared-sensitive composition K. Uko, R. Ooishi, K. Murofushi and Z. Hosoda [`Forman Moore Co Ltd, Showa Denko KK] Ypn Kokai Tokkyo Koho 04 329,551 (1992) CA119–017871
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• Photochromic microcapsules and control of color of the microcapsules M. Shiotani [Casio Computer Co Ltd] Ypn Kokai Tokkyo Koho 04 334,541 (1992) CA119–010143
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• Microcapsule and photosensitive recording media using it A. Sakai [Brother Ind Ltd] jpn Kokai Tokkyo Koho 04 344,646 (1992) CA118–244601
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• Microcapsule-containing fragrant coatings S. Koike and A. Imai [Matsushita Electric Works Ltd] Ypn Kokai Tokkyo Koho 04 351,678 (1992) CA118–256671
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• Insect repellent microcapsules containing p-menthanes in melamine resin M. Sekiguchi, I. Takahashi, M. Kobayashi, A. Masui, and K. Okui [Nippon Kayaku Co Ltd] Ypn Kokai Tokkyo Koho 04 352,703 (1992) CA118–163281
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• Liquid-crystal display device H. Kubota and S. Ishihara [Matsushita Electric Industrial Co. Ltd Ypn Kokai Tokkyo Koho 04 355,727 (1992) CA118–202229
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• Pharmaceutical liposomes containing macrocyclic antibiotics for Pneurnocystis carinii pneumonia R. Aikawa and H. Sakakibara [Toyo Jozo Co Ltd] jpn Kokai Tokkyo Koho 04 360,832 (1992) CA118–240943
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• Preparation of microcapsules comprising interfacial polymerization M Tsuda [Brother Ind Ltd] jpn Kokai Tokkyo Koho 04 367,862 (1992) CA119–059783
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• Manufacture of inorganic microspheres M. Ipponmatsu, M. Nishigaki, H. Hirano and M. Mizuguchi [Osaka Gas Co Ltd] Ypn Kokai Tokkyo Koho 05 00,240 (1993) CA118–194544
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• Aqueous liposome suspensions containing taurine K. Nakamori, T. Yoshida, I. Koyama, T. Nakajima and M. Odawara [Taisho Pharma Co Ltd] Ypn Kokai Tokkyo Koho 05 04,037 (1993) CA118–175840
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• Preparation of basic pH-sensitive Liposomes from monoalkyl phosphate and lipids N. Nishikawa and H. Mori [Fuji Photo Film Co Ltd] jpn Kokai Tokkyo Koho 05 07,765 (1993) CA118–240931
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• Essential oil encapsulater T. Nakano [Niohon Junyaku KK] jpn Kokai Tokkyo Koho 05 07,766 (1993) CA119-055691 Photoresponsive microcapsules containing triphenylmethane-containing polymers and cosmetics preparations containing the microcapsules H. Hayashi [Noevir KK] jpn Kokai Tokkyo Koho 05 09,107 (1993) CA118–219475
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• Manufacture of microcapsules containing disperse dye fine particle core S. Ogasaware, H. Fujimatsu and T. Igarashi [Mitsuya Seisen KK] Ypn Kokai Tokkyo Koho 05 09,398 (1993) CA118–235890
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• Manufacture of microcapsules containing boron oxide T. Nakano [Nihon Junyaku KK] Ypn Kokai Tokkyo Koho 05 15,771 (1993) CA118–236930
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• Stable phospholipid having cell membrane-like mobility for preparing Liposomes H. Mori, N. Nishikawa and R. Nemori [Fuji Photo Film Co Ltd] jpn Kokai Tokkyo Koho 05 23,576 (1993) CA118–251073
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• Biochips made of liposome containing ion-selective and potential-sensitive ion channels for identification and quantification of chemical substances T. Koyano, M. Saito, H. Myamoto, K. Umibe and M. Kam [Oki Electric Industry Co Ltd] Ypn Kokai Tokkyo Koho 05 26,813 (1993) CA118–208963
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• Manufacture of liposome-containing skin cosmetics N. Ishikawa [Q P Corp] jpn Kokai Tokkyo Koho 05 32,522 (1993) CA118–219488
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• Detection of liposome-rupturing substances K. Kotani [Toyo Ink Mfg Co] jpn Kokai Tokkyo Kohn 05 56,797 (1993) CA118–229728
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• Liposomes containing anticancer agents, hydrogenated phospholipids, cholesterol,, and lipids H. Kiwada, A. Nagai, Y. Kiuchi and Y. Takechi [Taiho Pharmaceutical Co Ltd] jpn Kokai Tokkyo Koho 05 58,879 (1993) CA118–261057
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• Measurement of complement binding reaction in liposome immunoassays for determining analyte T. Masaki, Y. Yamamoto, H. Yamauchi and K. Hikichi [Ishizu Seiyaku KK] jpn Kokai Tokkyo Koho 05 60,758 (1993) CA118–251061
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• Manufacture of macroliposomes for biochemical reaction studies and other uses Y. Tomita, T. Nomoto, J. Ooyama, M. Kawaguchi and N. Yamamoto [Canon KK] Ypn Kokai Tokkyo Koho 05 64,739 (1993) CA119–004455
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• Lithographic or letterpress printing inks containing melamine resin-encapsulated substances A. Hirasawa, T. Maruyama and K. Uko [Toppan Moore KK] jpn Kokai Tokkyo Koho 05 65,446 (1993) CA118-256785 Liposomes for fat-based foods E. W. Hammond and R. M. Hicks jpn Kokai Tokkyo Koho 05 68,522 (1993) CA118–211720
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• Photoimaging microcapsules with thermoplastic resin shell Y. Hatsutori [Brother Ind Ltd] jpn Kokai Tokkyo Koho 05 72,793 (1993) CA119–017912
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• Preparation of microcapsules containing fats or oils using yeast N. Ishiwaki, K. Yamada, M. Ishiguro and T. Inoe [Kirin Brewery, Mitsubishi Paper Mills Ltd] jpn Kokai Tokkyo Koho 05 95,791 (1993) CA119–048092
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• Manufacture of pharmaceutical water-in-oil-in-water emulsions and microcapsules T. Oowaki, T. Hino, Y. Kawashima, R. Machida and H. Ozawa [Eisai Co Ltd] jpn Kokai Tokkyo Koho 05 97,660 (1993) CA119–034351
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• Manufacture of pharmaceutical microcapsules K. Ozaki [Mitsubishi Chem Ind] jpn Kokai Tokkyo Koho 05 112,446 (1993) CA119–056214
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• Sustained-release transdermal pharmaceuticals containing analgesics and inflammation inhibitors Y. Takashima [Nitsusei Tekunika KK] jpn Kokai Tokkyo Koho 05 112,447 (1993) CA119–056215
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PCT

• Microencapsulation of water-insoluble adhesives by polymers A. Agostini [Cartomar S.p.A.] PCT hit Appl 92 16,290 (1992) CA118–170514
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• Gas-encapsulated or gas precursor-encapsulated microbubbles for ultrasound contrast agents, and preparation and polymerization of amphiphiles therefor J. Klaveness, H. Priebe, P. Rongved and L. Stubberud [Holmes, M. Nycomed AS] PCT Int Appl 92 17,212 (1992) CA118–164750
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• Artificial suntanning compositions containing positively charged paucilamellar vesicles J. P. Sottery and G. E. Deckner [Richardson-Vicks Inc] PCT list Appl 92 19,214 (1992) CA118–260695
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• Polyacrylate microspheres useful for therapeutic vascular occlusions E. Boschetti, M. Brouard, L. Drouet, P. Girot, A. Laurent and M. Wasser [Sepracor Inc] PCT Int Appl 92 21,327 (1992) CA118–175777
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• Paramagnetic polymer microparticles coupled to biologically active substances C. H. J. Wang and D. 0. Shah [Baxter Diagnostics Inc] PCT Int Appl 92 22,201 (1992) CA118–164747
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• Pharmaceutical compositions containing polysaccharides G. Gregoriadis [University of London] PCT hit Appl 92 22,331 (1992) CA118–175796
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• Preparation of vesicles in nonpolar media, and pharmaceutical and other uses of the vesicles T. De Vringer and H. M. Mollee [Brocades Pharma BV] PCT Int Appl 93 00,069 (1993) CA118–175798
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• Fungicide-incorporating vesicles having N,N-dimethylamide derivatives as their primary lipid D. F. H. Wallach and R. Mathur [Micro Vesicular Systems Inc] PCT Int Appl 93 01,801 (1993) CA118–163252
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• Encapsulated perfluorocarbons for preparation of blood substitute T. J. Speaker [Temple University of the Commonwealth System of Higher Education] PCT Int Appl 93 01,806 (1993) CA118–175767
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• Microspheres and microcapsules for nasal drug delivery and ultrasonic imaging L. Ilium and 0. L. Johnson [Danbiosyst UK Ltd] PCT Int Appl 93 02,712 (1993) CA118–175819
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• Composition and method for treating cystic fibrosis P. L. Feigner, A. M. Abai and M. C. Manthorpe [Vical Inc] PCT Int Appl 93 03,709 (1993) CA119–034312
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• Human immunodeficiency virus (HIV) treatment method with low-toxicity amphotericin B F. J. Martin, M. C. Woodle and L. S. S. Guo [Liposome Technology Inc] PCT Int Appl 93 03,737 (1993) CA118–205223
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• Pigment-coated hollow microsphere cosmetics A. M. Farer, E. L. Burzdy, F. Hanna, A. J. Penicnack and M. Mellul [Oreal SA] PCT Int Appl 93 04,660 (1993) CA118–219449
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• Method for enhancing the immune system in a host employing liposome-encapsulated polypeptides C. K. Edwards III and A. Blum [Pitman-Moore Inc] PCT Int Appl 93 04,672 (1993) CA118–219837
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• Liposomal delivery with pH- or photo-triggered release D. H. Thompson and V. C. Anderson [Oregon Graduate Institute of Science and Technology] PCT Int Appl 93 04,673 (1993) CA118–219863
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• Cationic lipid dispersions for delivering nucleic acids into cells R. M. Epand, R. Bottega and L. Huang [University of Tennessee Research Corp] PCT Int Appl 93 05,162 (1993) CA118–249288
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• Hair conditioning composition containing Liposomes R. Cotten11 [Proteus Molecular Design Ltd] PCT lot Appl 93 06,813 (1993) CA118–240461
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• Multiphase pharmaceutical microspheres J. W. McGinity and M. lwata [University of Texas System] PCT lot Appl 93 07,861 (1993) CA119–015356
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• Immunoassay or binding assay employing a capture binding agent and a developing binding agent conjugated to fluorescent dye-containing microspheres R. P. Ekins and F. W. Chu [Multilyte Ltd] PCT Int Appl 93 08,472 (1993) CA119–044689
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• Lipsome preparation containing immunosuppresant tricyclic compound A. Kagayama,Tokunaga, A. Kaibara, S. Tanimoto and T. Hata [Fujisawa PharmaceuticalCo Ltd] PCT Int Appl 93 08,802 (1993) CA119–034331
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• Use of interleukin-8 for cervical ripening R. W. Kelly, K. Chwalisz, R. Bukowski and P. Scholz [Medical Research Council] PCT Int Appl 93 09,796 (1993) CA119–040962
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• Immunodiagnostic assay using lipsomes carrying labels on outer surface R. G. Carbonell, P. K. Kilpatrick, M. A. Jones and A. K. Singh [North Carolina State University] PCT Int Appl 93 10,226 (1993) CA119–044694
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• Antitumor vaccines comprising synthetic antigens L. E. Spitler [Jenner Technologies] PCT Int Appl 93 10,763 (1993) CA119–056133
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POLAND

• Method for manufacturing a protein membrane for encapsulating biological and/or biologically active materials K. Tatarkiewicz [Polska Akademia Nauk, Instytut Biocybernetyki i Inzynierii Biomedycznej] Pol 154,373 (1991) CA118–198264
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USA

• Process for microencapsulation without capsule agglomeration R. J. Kalishek and D. E. Hayford [Appleton Papers Inc] US 5,164,126 (1992) CA119–052314
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• Double-walled microcapsules and process for preparation of same M. Sumii [Sakura Color Products Corp] US 5,180,637 (1993) CA118–244694
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• Coatings containing zinc-coated microspheres exhibiting improved resistance to environmental attack of metallic substrates R. R. Savin US 5,182,318 (1993) CA118–214970
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• Instant preparation of drug-containing large unilamellar vesicles D. D. Lasic and A. Belie [Liposome Technology Corp] US 5,185,154 (1993) CA118–175839
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• Storage-stable heat-curable transparent organosiloxane compositions containing a miroencapsulated catalyst S. M. Evans, C. L. Lee and M. H. Yeh [Dow Corning Corp] US 5,194,460 (1993) CA119–050637
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• Tablets of spray-dried sodium diclofenac enteric-coated microcapsules L. J. Chen, C. N. Chen and S. Y. Lin [Standard Chemical and Pharmaceutical Corp Ltd] US 5,202,159 (1993) CA118–240977
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• Microencapsulation using tertiary aliphatic isocyanate capsules wall material R. L. Shields and M. Seitz [Standard Register Co] US 5,204,184 (1993) CA119–059833
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• Microencapsulation process using melamine-formaldehyde and microcapsules produced thereby M. E. Seitz [Standard Register Co] US 5,204,185 (1993) CA119–059834
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