PATENT BRIEFING

PATENT BRIEFING

CHINA

• Biodegradable polymer microspheres, their preparation and their use Li, X., Xiao, .J, Wang, H., and Deng, X. [Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences] Faming Zhuanli Shenging Gongkai Shuomingshu 1132 75 8 (1996)
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• Highly efficient virus-and-liposome-based gene delivery system Tang, J., Hu, B., Chen, G., Zhou, H., Zhou, A., Dong, W., and Zhu, X. [Beijing Medical University] Faming Zhuanli Shenging Gongkai Shuomingshu 1129 73 8 (1996)
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• Preparation of microencapsulated zinc gluconate Zhan, K., and Luo, W. Faming Zhuanli Shenging Gongkai Shuomingshu 113050 9 (1996)
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• Preparation of mono-sized crosslinked polystyrene microspheres with large hole used for liquid-phase chromatography Su, T., and Yang, S. [Institute of Chemistry, Chinese Academy of Sciences] Faming Zhuanli Shenging Gongkai Shuomingshu 113221 3 (1996)
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• Preparation of sustained-release microcapsule injections of hormones Zhang, W., Cheng, L., Xue, Q., and Zheng, Z. [Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences] Faming Zhuanli Shenging Gongkai Shuomingshu 112658 9 (1996)
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EUROPE

• Corn positions com prising microencapsulated iron Zlotkin, S. H. Eur Pat Appl 947199 (1999)
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• Method for microencapsulation of a solid substance Takebayashi, Y., Ueda, N., and Nishi, S. [Sumitomo Chemical Company, Ltd] Eur Pat Appl 940171 (1999)
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• Microencapsulated osmium oxide, its preparation and composition for oxidation of alkenes Kobayashi, S. [Wako Pure Chemical Industies, Ltd] Eur Pat Appl 9401 70 (1999)
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• Preparation of microencapsulated products with walls of polysiloxanes Deubzer, B., and Dauth, J. [Wacker-Chemie GmbH] asEur Pat Appl 941 76 I (1999)
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GERMANY

• Method for the production of liposomal substance formulations Unger, C., Massing, U., and Moog, R. Ger Offen 19813 773 (1999)
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JAPAN

• Air classification of microspheres, electrically conductive m icroparticles, anisotropic conductive adhesives, and conductive contacts Suzuki, T., and Yamada, S. [Sekisui Fine Chemical Co Ltd] asJpn Kokai Tokkyo Koho 1125388 6 (1999)
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• Carbonless pressure-sensitive copying paper using microcapsule containing color-former and organic carbonate Kagota, N., and Wada, H. [Mitsubishi Paper Mills, Ltd] Jpn Kokai Tokkyo Koho 11268411 (1999)
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• Dry type image forming material containing photosensitive microcapsule and image forming method Higuchi, T., Suzuki, M., Uchihori, T., and Sugimoto, Y. [Oriental Photo Industry Co Ltd] Jpn Kokai Tokkyo Koho 1123773 5 (1999)
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• High-contrast liquid-crystal displays using microcapsulated nematic liquid crystals Suzuki, N., and Ueda, H. [Minolta Camera Co Ltd] Jpn Kokai Tokkyo Koho 1126496 6 (1999)
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• Hyaluronate oligosaccharide liposomes with neovascular growth factor property on the surface Matsubara, T., Himeta, K., and Arai, K. [Denki Kagaku Kogyo KK] Jpn Kokai Tokkyo Koho 11292 75 8 (1999)
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• Hygienic sheets with functional layer containing microencapsulated plant oils and animal extracts Nakashima, Y. [Eco Nakajima YK] Jpn Kokai Tokkyo Koho 1129042 7 (1999)
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• Lightweight rubber compositions containing microcapsulated blowing agents Noguchi, T., and Tamaki, Y. [Mitsuboshi Belting Ltd] Jpn Kokai Tokkyo Koho 11269311 (1999)
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• Lightweight rubber compositions containing microcapsulated blowing agents Noguchi, T., and Tamaki, Y. [Mitsuboshi Belting Ltd] Jpn Kokai Tokkyo Koho 1126931 0 (1999)
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• Liposome-immobilized antibody for immunoassay Ishibashi, M., Ishimori, Y., Hashimoto, K., and Ito, K. [Toshiba Corp] Jpn Kokai Tokkyo Koho 1126482 2 (1999)
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• Micro-bonding method for fixing of polymer microspheres on polymeric substrates Masuhara, H., Sasaki, K., Fujiwara, H., Inaba, T., Sato, S., Miyawaki, S., and Yuan, J.-H. [Foundation for Scientific Technology Promotion Electron Kiki KK] Jpn Kokai Tokkyo Koho 112 7726 9 (1999)
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• Partially neutralized isobutylene-maleic anhydride copolymer emulsifiers and manufacture of formaldehyde-urea polymer-based microcapsules using them for pressure-sensitive recording material Sasaki, T., Kuroyama, Y., and Nishikubo, T. [Nihon Seishi KK] Jpn Kokai Tokkyo Koho 11253 79 3 (1999)
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PCT

• Heat-expandable microcapsules and method of utilizing them Kyuno, S., and Masuda, T. [Matsumoto Yushi-Seiyaku Co Ltd] PCT Int Appl 99 4632 0 (1999) Liposomal bupivacaine compositions and methods of preparation Grant, G. J., Bolotin, E. M., Barenholz, Y., and Turndorf, H. [Yissum Research Development Company of the Hebrew University of Jerusalem] PCT Int Appl 99 49849 (1999)
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• Liposome composition and method for administering a quinolone Guo, L. S. S., Gittelman, J., Zalipsky, S., and Martin, F. J. [Sequus Pharmaceuticals, Inc] PCT Int Appl 99 51202 (1999)
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• Liposome containing cleaning corn position Strout, K. M., and Maddern, P. [Kimberly-Clark Worldwide, Inc] PCT Int Appl 99 51717 (1999)
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• Method for the production of microcapsules Bayer, U. {Aventis Research & Technologies GmbH & Co K-G] PCT Int Appl 99 48480 (1999)
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• Production of nanocapsules and microcapsules by layer-wise polyelectrolyte self-assembly Donath, E., Sukhorukov, G. B., Lerche, K. H., Voigt, A., Baeumler, H., Caruso, F., and Moehwald, H. [Max-Planck-Gesellschaft zur Foerderung der Wissenschaften eV] PCT Int Appl 99 47252 (1999)
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• Slow release microcapsules Bayer, U., Hahn, B., and Majeres, A. [Aventis Research & Technologies GmbH & Co K-G] PCT Int Appl 99 48479 (1999)
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• Wettable microcapsules having hydrophobic polymer coated cores Calanchi, M. M., De Luigi, B. S., Gentilini, L., and Mapelli, L. G. [Eurand International SpA] PCT Int Appl 99 52510 (1999)
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USA

• Etherlipid-containing multiple lipid liposom es Mayhew, E., Janoff, A. S., Ahmad, I., and Bhatia, S. K. [The Liposome Company, Inc] US 5965159 (1999)
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• Furniture polish containing microencapsulated fragrance Roe, K. A. US 5954864 (1999)
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• Interdigitated electrode arrays for liposome-enhanced immunoassay and test device Roberts, M. A., Durst, R. A., Montagna, R. A., and Rule, G. S. [Innovative Biotechnologies, Inc] US 5958791 (1999) Liposomal microencapsulated boron-containing pesticide formulations Milne, C. G., and Shelby, P. P. Jr. [Agri-Tek, Inc] US 5958463 (1999)
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• Liposome composition and method for administering a quinolone Guo, L. S. S., Gittelman, J., Zalipsky, S., and Martin, F. J. [Sequus Pharmaceuticals, Inc] US 5972379 (1999)
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• Preparation of polyurethane m icrocapsules containing monocrotophos Shulda, P. G., Sivaram, S., and Rajagopalan, N. [Council of Scientific & Industrial Research] US 5962003 (1999)
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• Quaternized cellulose derivatives for stabilization of liposomes Delrieu, P., and Ding, L. [Kobo Products Sari] US 5962015 (1999)
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