Patent Briefing

PATENT BRIEFING

CANADA

• Controlled-release transdermal liposomal drug delivery system Foldvari, M. [University of Saskatchewan]
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• Can Pat Appl 2097163 (1993)
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• Fiber-reinforced hollow microspheres made from dispersed particle compositions Cochran, J. K. Jr. [Materials Technology Corp.]
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• Can 1321452 (1993)
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• Preparation of gastric acid-resistant microspheres containing digestive enzymes and buffered bile acids Sipos, T. [Digestive Care Inc] Can Pat Appl 2096004 (1993)
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EUROPE

• Pharmaceutical and/or cosmetic composition containing linoleic acid or a linoleic acid derivative in phospholipid liposomes for treatment of acne Ghyczy, M., Gareiss, J., Hager, J. C., Wendel, A. and Nissen, Z. B.[Rhone-Poulenc RorerG.m.b.H.] Eur Pat Appl 582239 (1994)
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• Microcapsules thermally expandable by a two-step heating process Kitano, K., Sasaki, Y. and Kida, S. [Matsumoto Yushi-Seiyaku Co Ltd] Eur Pat Appl 572233 (1993)
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• Method for manufacturing microcapsules Hodosawa, Y., Nagano, H. and Saito, H. [Fuji Photo Film Co Ltd] Eur Pat Appl 571933 (1993)
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• Thermoexpandable microcapsules having small particle size and their production Kids, S., Sasaki, Y. and Fujiwara, T. [Matsumoto Yushi-Seiyaku Co Ltd] Eur Pat Appl 569234 (1993)
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• Method for the industrial manufacture of carbon-containing mesophase microspheres and derived carbon objects Gomez de Salazar, F.-C., Romero, P. E., Rodriguez, R. F. and Santamaria, R.-R. [Repsol Petroleo S.A.] Eur Pat Appl 585193 (1994)
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• Sustained-release microcapsules manufactured from aliphatic polyesters Kamei, S., Ogawa, Y. and Yamada, M. [Takeda Chemical Industries Ltd] Eur Pat Appl 586238 (1994)
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• Active principle-containing microcapsules, their applications,, and their preparation Jorda, R., Autant, P. and Rossin, R. [Flamel Technologies S.A.] Eur Pat Appl 576377 (1993)
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• Emulsifiers for production of microcapsules Murano, T. and Nishikubo, T. [Nippon Paper Industries Co Ltd] Eur Pat Appl 570209 (1993)
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• Preparation of powders and suspensions of amorphous silicon dioxide microspheres Kovats, E., Jelinek, L. and Erbacher, C. [CU Chemie Uetikon AG] Eur Pat Appl 574642 (1993)
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JAPAN

• Liquid crystal microcapsules and light-modulating films Tabei, T., Shindo, T., Maeda, H. and Ando, M. [Dainippon Printing Co Ltd] ypn Kokai Tokkyo Koho 05113558 (1993)
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• Photothermographic copying materials with photosensitive microcapsule layers containing inorganic particles Higuchi, M. [Fuji Photo Film Co Ltd] ypn Kokai Tokkyo Koho 05289326 (1993)
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• Preparation of photosensitive microcapsule and photothermographic material Yabuki, Y. and Yamada, M. [Fuji Photo Film Co Ltd] jpn Kokai Tokkyo Koho 0568873 (1993)
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• Microcapsules containing color former and thermal recording material Itabashi, J. and Igarashi, A. [Fuji Photo Film Co Ltd] jpn Kokai Tokkyo Koho 05317694 (1993)
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• Double-layered photothermographic copying materials with nonphotosensitive microcapsule layer Higuchi, M. [Fuji Photo Film Co Ltd] ypn Kokai Tokkyo Koho 05289324 (1993)
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• Polymer microsphere laser Nanba, N., Shinkai, M. and Suzuki, T. [TDK Electronics Co Ltd] jpn Kokai Tokkyo Koho 0629610 (1994)
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• Manufacture of slow-release microcapsules containing pharmaceuticals or agrochemicals Myagawa, T., Abe, S. and Sakamoto, I. [Unitika Ltd] Jpn Kokai Tokkyo Koho 0665064 (1994)
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• Liposomes containing lipid A monosaccharides Kakee, A., Yamane, H., Waga, I. and Hibi, T. [Nippon Tobacco Sangyo] Ypn Kokai Tokkyo Koho 0625008 (1994)
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• Paper containing expandable microspheres and its manufacture Kamiharaguchi, H., Mitsuyanagi, J. and Omotani, T. [Oji Paper Co] Ypn Kokai Tokkyo Koho 05339898 (1993)
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• Water-resistant microcapsule-containing siloxane films Goto, M. and Kanae, N. [Nok Corp] 'ph Kokai Tokkyo Koho 05317805 (1993)
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• Method using polymerizable lipid for forming giant liposome,, and apparatus, and method for forming Langmuir-Blodgett film Tomita, Y., Nomoto, T., Ooyama, J. Kawaguchi, M., Yamamoto, N. and Tomita, Y. [Canon Kk] ypn Kokai Tokkyo Koho 0609710 (1994)
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• Continuous manufacture of microcapsules for pressure-sensitive recording sheet Nagano, H., Hodozawa, Y. and Saito, K. [Fuji Photo Film Co Ltd] ypn Kokai Tokkyo Koho 0557178 (1993)
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• Heat-development photosensitive materials containing photosensitive microcapsules Hirai, H. [Fuji Photo Film Co Ltd] Jpn Kokai Tokkyo Koho 05273744 (1993)
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• Polymer microsphere laser Shinkai, M., Suzuki, T. and Nanba, N. [Tdk Electronics Co Ltd] jpn Kokai Tokkyo Koho 0621556 (1994)
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• Polymer microsphere laser Shinkai, M., Suzuki, T. and Nanba, N. [Tdk Electronics Co Ltd] jpn Kokai Tokkyo Koho 0621557 (1994)
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• Topical lipid microspheres for nasal and broncheal disorders Igarashi, T., Mizushima, Y,. Yasuda, A., Morisawa, Y. and Hoshino, J. [Eru Teii Teii Kenkyusho Kk] Jpn Kokai Tokkyo Koho 05124965 (1993)
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• Gelatin-neutral polysaccharide shell microcapsules and their preparation Nakamura, T., Chino, Y. and Kuno, Y. [Hasegawa T Co Ltd] Jpn Kokai Tokkyo Koho 0655059 (1994)
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• Microcapsules with shells containing inorganic particles Isobe, Y. [Toa Gosei Chem Ind] Jpn Kokai Tokkyo Koho 0655058 (1994)
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• Sheets partially covered with adhesive layer containinng hollow microspheres Aizawa, K. [Nitto Denko Corp] Jpn Kokai Tokkyo Koho 05279338 (1993)
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• Microcapsule optical color recording sheet Shiotani, M. [Casio Computer Co Ltd] Ypn Kokai Tokkyo Koho 0585056 (1993)
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• Microcapsules for color copying sheets Kitamura, T. [Brother Ind Ltd] Jpn Kokai Tokkyo Koho 0580504 (1993)
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• Microcapsules Tsuda, M. [Brother Ind Ltd] Jpn Kokai Tokkyo Koho 0580505 (1993)
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• Photothermographic copying materials with photosensitive microcapsule layer containinng N-phenyl-N-oxamoylhydrazines Ito, Y. and Yamada, M. [Fuji Photo Film Co Ltd] Jpn Kokai Tokkyo Koho 05289329 (1993)
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• Microcapsule toners and preparation of them Hatsutori, Y. [Brother Ind Ltd] Jpn Kokai Tokkyo Koho 05313401 (1993)
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• Microcapsule toners coated with protective materials for photoimaging process Kagayama, S. [Brother Ind Ltd] Jpn Kokai Tokkyo Koho 05307261 (1993)
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• Dye-dispersed solution, electrostatographic developer toner, and manufacture of microcapsules lmai, T. and Mikami, T. [Fuji Xerox Co Ltd] Jpn Kokai Tokkyo Koho 05297643 (1993)
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• Liposome formulations containing ginkgo extracts Tokuyama, S., Morisawa, K., Yazawa, T. and Umeda, S. [Nippon Oils & Fats Co Ltd; Nippon Guriin Ueebu Kk Jpn Kokai Tokkyo Koho 0624999 (1994)
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• Aqueous herbicide suspensions containing microcapsules of pyrazosulfuron-ethyl in aminoplast resins Naoki, J., Ahiko, N., Matsumoto, N., Tada, F. and Shirai, J. [Kureha Chemical Ind Co Ltd; Nissan Chemical Ind Ltd] Jpn Kokai Tokkyo Koho 05320012 (1993)
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• Microencapsulated bactericides and fungicides containing isothiazoline-3-ones Kiuchi, K., Sugi, T., Oohashi, N., Maki, J. and Ahiko, N. [Kureha Chemical Ind Co Ltd; Kurita Water Ind Ltd] Jpn Kokai Tokkyo Koho 05320002 (1993)
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• Manufacture of microencapsulated liquid crystals and of displays using same Ogawa, H. and Tashiro, N. [Dainippon Ink & Chemicals] Jpn Kokai Tokkyo Koho 0566391 (1993)
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• Photothermochromic microcapsules providing excellent color density Kamata, K. and Suefuku, S. [Matsui Shikiso Kagaku Kogyosho] ypn Kokai Tokkyo Koho 0561132 (1993)
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• Preparation of microcapsules and heat-developable photosensitive material using same Ito, Y. and Yamanochi, J. [Fuji Photo Film Ltd] Jpn Kokai Tokkyo Koho 0553312 (1993)
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• UV absorber-containing microcapsule fillers for inks Mando, R., Ishida, K. and Minami, T. [Kanzaki Paper Mfg Co Ltd] jpn Kokai Tokkyo Koho 05184909 (1993)
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• Heat-resistant particles or silicone oil-coated microcapsules Hirasawa, A. and Maruyama, T. [Toppan Moore Kk] Ypn Kokai Tokkyo Koho 0600361 (1994)
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• Improvement of the heat resistance of microcapsule walls Hirasawa, A. and Maruyama, T. [Toppan Moore Kk] jpn Kokai Tokkyo Koho 05261276 (1993)
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PCT

• Therapeutic and diagnostic use of modified polymeric microcapsules Wallace, S., Yang, D., Wallace, M., Li, C. and Kuang, L. R. [Board of Regents, University of Texas System] PCT Int Appl 94 02106 (1994)
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• Preparation of controlled-size inorganic particles for use in separations, assays, as magnetic molecular switches,, and as inorganic liposomes for medical applications Chagnon, M. S., Carter, M. J., Ferris, J. R., Gray, M. A., Hamilton, T., J. and Rudd, E. A. [Molecular Bioquest, Inc.] PCT Int Appl 93 26019 (1994)
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• Pharmaceutical liposomes containing anthracycline glycosides Rahman, A., Thierry, A. and Dritschilo, A. [Georgetown University] PCT Int Appl 94 05259 (1994)
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• Pharmaceutical liposomes for trans-mucosal delivery of peptides Poli, S., Mailland, F. and Moro, L. [Poli Industria Chimica S.p.A.] PCT Int Appl 94 03157 (1994)
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USA

• Low cost cathodic and conductive compositions comprising lightweight hollow glass microspheres and a conductive phase Savin, R. R. US 5252632 (1993)
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• Breath freshener microcapsules Stapler, J. H. and Hunter, M. A. [Procter and Gamble Co.] US 5286496 (1994)
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• Blood platelet loaded with diagnostic or therapeutic-containing liposome or reconstituted sendai virus Male, R. and Vannier, W. E. [California Institute of Technology] US 5292524 (1994)
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• Process for preparing rotary disk fatty acid microspheres of microorganisms Rutherford, W. M., Allen, J. E., Schlameus, H. W., Mangold, D. J., Harlowe Jr, W. and Lebeda, J. R. [Pioneer Hi-Bred International, Inc] US 5292657 (1994)
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• Microencapsulated thiazolo(5,4-d)thiazole color formers, copying paper incorporating them and its use Jubran, N. [Minnesota Mining and Mfg Co] US 5284812 (1994)
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