Patent briefing

PATENT BRIEFING

CHINA

• Homogeneous cellulose/titania composite microsphere and its preparation Yao, S., Zhu, Z., Lei, Y., Lin, D., and Guan, Y. [Zhejiang University] Faming Zhuanli Shenqing Gongkai Shuomingshu 1386785 ( 2002)
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• Microencapsulated powders containing vitamins and polymers for sustained-release Du, J., Ding, X., Lin, X., Zheng, C., Zhang, W., and Peng, Y. [Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences] Faming Zhuanli Shenqing Gongkai Shuomingshu 1380056 (2002)
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• Prewetting device and method for filter with prevention of surface microparticulate from entering inside of filter Lin, W., Chen, T., Li, Z., and Wei, R. [Winbond Electronics Corp] Faming Zhuanli Shenqing Gongkai Shuomingshu 1381296 (2002)
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• Silica magnetic microsphere and its preparation Zhu, Y., Hong, D., and Yang, X. [Huadong University of Science and Technology] Faming Zhuanli Shenqing Gongkai Shuomingshu 1380133 (2002)
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FRANCE

• Microparticles useful as contrast agents for ultrasonic imaging Chaix, C., Lassau, N., Paci, A., Peronneau, P., Reb, P., Roche, A., and Rouffiac, V. [Institut Gustave Roussy IGR Biosphere Medical Europe] Fr Demande 2850385 (2004)
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• Nanocapsules comprising a polysilsesquioxane-type silicone polymer, a cosmetic or pharmaceutical composition containing them, and a preparation process Richart, P. [L'oreal] Fr Demande 2848879 ( 2004)
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• Systems for microencapsulation and their applications Bochot, A., Alphandary, H., Duchene, D., and Fattal, E. [Centre National De La Recherche Scientifique CNRS] Fr Demande 2850040 ( 2004)
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GERMANY

• Chewing gum composition with chitosan-microencapsulated active substances Fabry, B. [Cognis Deutschland GmbH & Co KG] Ger Offen 10300186 (2004)
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JAPAN

• Antibacterial polymer compositions containing inorganic microcapsules and their moldings Katsumaru, S., and Nitta, Y. [Kurashiki Spinning Co, Ltd Nitta, Keiko] jpn Kokai Tokkyo Koho 2004210929 (2004)
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• Colored microparticle dispersions, aqueous inks containing them with excellent storage stability, and ink jet recording method using them Okubo, K., Ninomiya, H., and Asatake, A. [Konica Minolta Holdings, Inc] jpn Kokai Tokkyo Koho 2004204029 (2004)
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• Cosmetics containing microparticles of titania and zinc oxide Nakamura, T. [Pola Chemical Industries, Inc] jpn Kokai Tokkyo Koho 2004182646 (2004)
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• Gas-liquid mixer for formation of super-microparticulate bubbles in water Nomura, S. [Nomura Denshi Kogyo KK] jpn Kokai Tokkyo Koho 2004195393 (2004)
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• Heat-expandable microcapsules and easily-peelable adhesive sheets containing them Kawaguchi, Y., Hatai, M., Fukuoka, M., Hayashi, S., Danjo, S., and Oyama, Y. [Sekisui Chemical Co, Ltd] Jpn Kokai Tokkyo Koho 2004181308 (2004)
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• Heat-expandable microcapsules showing simultaneous expansion at high temperature forming uniform cells Kawaguchi, Y., and Yamauchi, H. [Sekisui Chemical Co, Ltd] Jpn Kokai Tokkyo Koho 2004168789 (2004)
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• Heat-expandable microcapsules showing simultaneous expansion at high temperature forming uniform cells Kawaguchi, Y., and Yamauchi, H. [Sekisui Chemical Co, Ltd] Jpn Kokai Tokkyo Koho 2004168790 (2004)
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• Manufacture of carbon microspheres with sharp size distribution Yamamoto, Y., Tahara, T., and Harada, R. [Tokai Carbon Co, Ltd] Jpn Kokai Tokkyo Koho 2004211012 (2004)
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• Manufacture of copper microparticles for powder metallurgy, printing, or catalyst Tominaga, Y., and Ujikawa, W. [Sumitomo Bakelite Co, Ltd] Jpn Kokai Tokkyo Koho 2004217959 (2004)
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• Manufacture of thermally expandable microcapsules Yamauchi, H. [Sekisui Chemical Co, Ltd] Jpn Kokai Tokkyo Koho 2004210982 (2004)
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• Method and apparatus for color electrophotography using microcapsule toners Uesugi, Y. [Casio Electronics Mfg Co Casio Computer Co, Ltd] Jpn Kokai Tokkyo Koho 2004212432 (2004)
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• Microcapsule compositions with decreased aggregation and (multicolor) thermal recording materials Ito, K., Yumoto, M., and Tamura, T. [Fuji Photo Film Co, Ltd] Jpn Kokai Tokkyo Koho 2004174745 (2004)
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• Microcapsule-type electrophoresis display containing positive nematic liquid crystal dispersion medium Kizaki, S. [Casio Computer Co, Ltd] Jpn Kokai Tokkyo Koho 2004191694 (2004)
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• Microcapsules for heat storage Kaniino, K. [Daiichi Kogyo Seiyaku Co, Ltd] Jpn Kokai Tokkyo Koho 2004189843 (2004)
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• Microparticles having strongly adhered conductive plating layers, their manufacture, and materials therewith Uenoyama, S. [Sekisui Chemical Co, Ltd] Jpn Kokai Tokkyo Koho 2004179063 (2004)
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• Organic functional group-modified porous silica microspheres, their manufacture, and VOC adsorbents, hydrophobic deodorants, and humidity controllers Kosuga, K., Kikugawa, N., and Takemori, M. [National Institute of Advanced Industrial Science and Technology] Jpn Kokai Tokkyo Koho 2004197018 (2004)
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• Pesticide microencapsulated with biodegradable polymers and their manufacture with high microencapsulation yield Kiyoyama, S., Kono, Y., Hatade, Y., Mizuno, A., and Suzuki, M. [Nippon Soda Co, Ltd] Jpn Kokai Tokkyo Koho 2004196718 (2004)
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• Sheets enclosing microcapsulated electrophoretic particles used for electrophoretic image displays, and apparatus for manufacturing same sheets Yamada, H., Sato, T., and Murata, M. [Toyo Ink Mfg Co, Ltd] Jpn Kokai Tokkyo Koho 2004177598 (2004)
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• Silver oxide microparticles for forming silver film and for forming silver image to manu-facture printed circuit Inoue, T., and Takada, M. [Mitsubishi Paper Mills, Ltd] Jpn Kokai Tokkyo Koho 2004203696 (2004)
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• Water-in-oil cosmetics containing surface-treated microparticles Horikoshi, E., and Ito, T. [Kosei Co, Ltd] Jpn Kokai Tokkyo Koho 2004210748 (2004)
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• Wear-resistant lithographic original plates, printing process therewith, and UVabsorbing microcapsules therefore Hiraoka, S. [Konica Minolta Holdings, Inc] Jpn Kokai Tokkyo Koho 2004209704 (2004)
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PCT

• Composition containing microparticle surface charge control agent, and microparticle-separating method/apparatus using composition Nakayama, H. [Matsushita Electric Industrial Co, Ltd] PCT Int Appl 2004 63752 (2004)
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• Controlled release microspheres comprising pH insensitive and pH sensitive hydrophobic polymers Obeidat, W. M., and Price, J. C. [The University of Georgia Research Foundation, Inc] PCT Int Appl 2004 50066 (2004)
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• Fine metal oxide particles, metal oxide microcapsules, fine metal hydroxide particles, metal hydroxide microcapsules, and their manufacture Seo, K., and Hong, K. [E-Tec Co, Ltd] PCT Int Appl 2004 58639 (2004)
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• Pesticide microcapsules with amine-adjusted release rates Seitz, M. E., and Brinker, R. J. [Monsanto Technology Llc] PCT Int App,? 2004 54362 (2004)
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• Polygonal barrel sputtering device, polygonal barrel sputtering method, coated particle formed by the device, and method, microcapsule,, and method of manufacturing the microcapsule Abe, T., Watanabe, K., and Honda, Y. [Youtec Co, Ltd] PCT Int Appl 2004 59031 (2004)
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• Preparation of polyphosphazene microspheres Andrianov, A., and Roberts, B. [Parallel Solutions, Inc] PCT Int Appl 2004 48432 (2004)
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• Thermally expandable microcapsules, manufacture of foamed molded materials Tokumura, S., Kitano, K., Masuda, T., and Miki, K. [Matsumoto Yushi-Seiyaku Co, Ltd] PCT Int Appl 2004 58910 (2004)
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• Use of a microcapsule for administration of medicament to antigen-presenting cells Westwood, A., Healey, G. D., Eyles, J. E., and Williamson, E. D. [The Secretary of State for Defence] PCT Int Appl 2004 62559 (2004)
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RUSSIA

• Method for manufacturing glass microspheres Trofimov, N. N., Basargin, T. L., Trofimov, A. N., and Andrianov, V. I. Russ 2225850 (2004)
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USA

• Cosmetic powder compositions containing moisturizer-coated filler powders and microspheres of encapsulated moisturizing agents for improved moisturization properties Shah, A., and Curtis, E. [Avon Products, Inc] US Pat App,? Publ 20040120913 (2004)
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• Delivery of therapeutic compounds via microparticles or microbubbles Iversen, P. L., and Kipshidze, N. US Pat Appl Publ 20040126400 (2004)
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• Enalapril microspheres, dosage forms, and chronotherapeutic methods based thereon Fogarty, S., and Macs, P. US Pat Appl Publ 20040137060 (2004)
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• Foamed thermoplastic polyurethanes containing thermally expandable microspheres McClelland, A. N. R., and Vanden Ecker, J. M. V. US Pat Appl Publ 20040138318 (2004)
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• Low-density high-porosity well cementing slurries with glass, ceramic or polymer micro-sphere particulates Drochon, B., and Gamier, A. US Pat Appl Publ 20040107875 (2004)
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• Method for controlling solute loading of polymer microparticles Banerjee, S., Georgescu, C., and Seul, M. [Bioarray Solutions, Ltd] US Pat Appl Publ 20040142102 (2004)
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• Methods for making pharmaceutical formulations comprising deagglomerated microparticles Chickering, D. E., Reese, S., Narasimhan, S., Straub, J. A., Bernstein, H., Altreuter, D., and Huang, E. K. [Acusphere, Inc] US Pat Appl Publ 20040121003 (2004)
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• Microencapsulated particles and process for manufacturing same Bayless, R. G. US Pat Appl Publ 20040130045 (2004)
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• Microfabrication of polymer microparticles Hansford, D. J., and Guan, J. [The Ohio State University] US Pat Appl Publ 20040115279 (2004)
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• Microsphere-containing electron beam cured pressure-sensitive adhesive tapes and methods of making and using same Epple, T. C., and Chapman, D. L. US Pat Appl Publ 20040131846 (2004)
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• Organic light active devices using microcapsules and methods for fabricating the same Daniels, J. J. US Pat Appl Publ 20040113543 (2004)
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• Organically functionalized carbon nanocapsule Hwang, G. L. [Industrial Technology Research Institute] US Pat Appl Publ 20040126303 (2004)
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• Polymer-based microparticulate and nanoparticulate drug delivery systems Prokop, A., Davidson, J. M., Carless°, G., and Unutmaz, D. US Pat Appl Publ 20040136961 (2004)
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• Process for the preparation of catalyst microspheres of alumina, anionic clay, or USY-zeolite Van Der Zon, M., Laheij, E. J., and O'Connor, P. US Pat Appl Publ 20040117949 (2004)
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• Production of dyed polymer microparticles, microparticles incorporating fluorescent dye, and microparticle suspension Banerjee, S., Georgescu, C., Daniels, E. S., Dimonie, V. L., and Seul, M. [Bioarray Solutions, Ltd Lehigh University] US Pat App,? Publ 20040139565 ( 2004)
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• Radiopharmaceuticals and radioactive microspheres for locoregional ablation of abnormal tissues Wong, F. C., and Wang, S. US Pat Appl Publ 20040131543 (2004)
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