Patent Briefing

PATENT BRIEFING

CHINA

• Manufacture of microspheres from high-molecular-weight thermoplastic polymers Liang, Z., Hu, X., and Xu, D. [Inst of Chemistry, Chinese Academy of Sciences] Faming Zhuanli Shenqing Gongkai Shuomingshu 1316452 ( 2001)
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• Nanometer microsphere of chitosan-polyacrylic acid composite and its manufacture and use for drug carrierJiang X., Hu, Y., Guo, J., and Yang, C. [Nanjing Univ]
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EUROPE

• Faming Zhuanli Shenqing Gongkai Shuomingshu 1314430 ( 2001)
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• Method for the preparation of microcapsules that are composed of active substances, gelation agents, chitosans, and anionic polymersViladot P. J. L., and De Moragas, M. [Primacare SL] Eur Pat Appl 1243318 ( 2002 )
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• Method for the preparation of microcapsules that are composed of active substances, gelation agents, chitosans, and inorganic phosphates Viladot, P. J. L., and De Moragas, M. [Primacare SL] Eur Pat Appl 1243319 ( 2002 )
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• Suspension of nanospheres of lipophilic active ingredients stabilized with water-dispersible polymersSimmonnet J. T. [L'Oreal] Eur Pat Appl 1228746 ( 2002 )
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• W/O and 0/W/0 emulsions comprising microcapsules consisting of active agents and thermogelling heteropolysaccharides or proteinsTacies A., Pi, S. R., and Viladot, P. J. L. [Cognis Iberia, SL] Eur Pat Appl 1243247 ( 2002 )
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FRANCE

• Aqueous suspensions of nanospheres containing lipophilic drugs Simonnet, J. T., and Millecamps, D. [L'Oreal SA] Fr Demande 2817478 ( 2002)
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GERMANY

• Discrete hollow microspheres with flexible wall structuresNastke R., and Rafler, G. [Fraunhofer-Gesellschaft zur Foerderung der Angewandten Forschung EV] Ger Offen 10111094 ( 2002)
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• Manufacture of microcapsules with polyelectrolyte complex membranes and controlled release of microcapsule contentsDreja M., Von Rybinski, W., Nickel, D., and Krupp, U. [Henkel K-GaA]Ger Offen 10100689 (2002)
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• Microencapsulated biologically active substances containing a water-soluble or water dispersible comb polymersZerrer R., and Morschhaeuser, R. [Clariant GmbH] Ger Offen 10104991 (2002)
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JAPAN

• Aqeous pigment microcapsule dispersions for water-thinned ink-jet inks and recording methodTakayama H., Tochihara, S., Ko, M., and Koike, S. [Canon Inc] jpn Kokai Tokkyo Koho 2002256166 (2002)
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• Cosmetics containing microencapsulated oilsYoshioka M., Uehara, K., Segawa, E., and Adachi, T. [Seiwa Kasei Co, Ltd] jpn Kokai Tokkyo Koho 2002234816 (2002)
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• Heat-sensitive microcapsule including discoloring agent and material using it for displaying temperature historyIkeda T., and Miyamoto, S. [Ricoh Co, Ltd] jpn Kokai Tokkyo Koho 2002254823 (2002)
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• Heat shock-absorbing materials comprising sheets containing microcapsules containing heat shock-absorbing substances and heat shock-absorbing fabrics therefromShimano Y., Yamaguchi, M., Mukai, S., Sano, M., and Kusamoto, N. [Komatsu Seiren Co Idemitsu Technofine Co, Ltd] jpn Kokai Tokkyo Koho 2002201571 (2002)
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• Liposome analysis methodMizuochi T., Nakata, M., and Yasuda, A. [Tokai University Nippon Zeon Co, Ltd] jpn Kokai Tokkyo Koho 2002221515 (2002)
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• Lithium secondary battery having microcapsule or gelling material containing battery reaction inhibitor-removing material for high early battery efficiency and maintaining battery efficiency for long timeYang L., and Kito, M. [NGK Insulators, Ltd] jpn Kokai Tokkyo Koho 2002198088 (2002)
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• Manufacture of discoloration-free light-weight molded articles using heat-expandable microspheresElfving K., Kron, A., Sjoegren, P., and Bjerke, 0. [Nippon Filite K K] jpn Kokai Tokkyo Koho 2002226620 (2002)
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• Manufacturing method of sustained-release microcapsulesTakeyama T., Ogawa, F., and Miyake, T. [Taiyo Pharmaceutical Industry Co, Ltd] jpn Kokai Tokkyo Koho 2002234833 (2002)
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• Microcapsule composition formed by complex coacervation Chopra, N., Kazmaier, P. M., and Torres, F. E. [Xerox Corp] jpn Kokai Tokkyo Koho 2002233748 (2002)
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• Microcapsule containing Gymnema sylvestre extractTakeshita T., Kuhara, M., and Ishibashi, 0. [Takeshita Seika K K] jpn Kokai Tokkyo Koho 2002218942 (2002)
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• Microcapsule-containing solution and heat-sensitive recording material using it Minami, K., and Kawakami, H. [Fuji Photo Film Co, Ltd] jpn Kokai Tokkyo Koho 2002264507 (2002)
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• Storage-stable aqueous coating emulsion containing microcapsule foaming agent for wall-paperHamada H., Koshiba, D., Saito, 0., and Usui, Y. [Dainichiseika Color and Chemical MFG Co, Ltd]jpn Kokai Tokkyo Koho 2002256251 (2002)
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• Storage stable thermal printing materials containing microcapsules Minami, K. [Fuji Photo Film Co, Ltd] jpn Kokai Tokkyo Koho 2002264523 (2002)
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• Storage stable thermal recording materials and their manufacture including microencapsu-lation processMinami K., and Ito, K. [Fuji Photo Film Co, Ltd] jpn Kokai Tokkyo Koho 2002264524 (2002)
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PCT

• Adhesive graphic electrostatic sheets containing activatable encapsulated microspheres for wall coveringsHsu C. C., Austin, S. R., Lee, C. C., and Morris, T. L. [3M Innovative Properties Company] PCT Int App,? 02 55624 (2002)
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• Air filter with microencapsulated biocidesKaiser S. R., and Terleski, J. T. [R-Tec Technologies, Inc] PCT Int Appl 02 58812 (2002)
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• Amphoteric liposomes and their usage for the encapsulation of drugs and their transport into cellsPanzner S., Fankhaenel, S., Essler, F., and Panzner, C. [Novosom A-G]PCT Int Appl 02 66012 (2002)
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• Attrition resistant inorganic microspheroidal particles Salem, G. F., and Zagata, R. J. [The Standard Oil Company] PCT Int Appl 02 70132 (2002)
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• Carotenoid-loaded liposomesBarenholz Y., Diminsky, D., and Cohen, R. [Yissum Research Development Company of the Hebrew University of Jerusalem] PCT Int Appl 02 64110 (2002)
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• Decorative solid surfacing materials filled with ceramic microspheresHalterman D. G., Hutchins, C. S., and Sandusky, D. A. [El. Dupont de Nemours and Company]PCT Int Appl 02 68519 (2002)
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• Liposome-mediated DNA administration Baru, M. [Opperbas Holding BV] PCT Int Appl 02 66013 (2002)
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• Method for producing blue microcapsules and their usage for tooth pastes Lages, R., Aickele, F., Loges, H., and Machinek, A. [Haarmann & Reimer] PCT Int Appl 02 64246 (2002)
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• Method of preparing syndiotactic poly(vinyl pivalate) microspheresGhim H. D., Yeum, J. H., Park, C. S., Yoon, W. J., Noh, T. H., Shin, D. Y., and Lyoo, W. S. [Ace Digitech, Ltd]PCT Int Appl 02 57327 (2002)
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• Microcapsule containing phase change material and article having same Lee, W. M. PCT Int Appl 02 53370 (2002)
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• Preparation of amphoteric liposome-forming sterols and their application as drug delivery systemsPanzner S., Endert, G., Fankhaenel, S., and El Mokdad, N. [Novosom A-G]PCT Int Appl 02 66489 ( 2002)
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• Preparation of liposome-forming cationic sterols and their application for the incorporation of drugs and other substancesPanzner S., Endert, G., Fankhaenel, S., and Behrens, A. [Novosom A-G]PCT Int Appl 02 66490 ( 2002 )
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• Preparation of tetraether lipid derivatives and liposomes containing tetraether lipid deriva-tives and lipid agglomerates and their usage for drug targetingKuehl C., Tewes, B., Hagen, M., Gropp, F., Littger, R., and Marx, U. [Bernina Biosystems GmbH]PCT Int Appl 02 53554 ( 2002 )
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• Process for making microcapsules involving phase inversionCasson B. D., Dawson, S., George, N., and Shirley, I. M. [Syngenta Limited] PCT Int Appl 02 68111 ( 2002)
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• Very low-density cement slurry containing glass microspheres and having high compressive strength and low cement porosityDrochon B., and Kefi, S. [Services Petroliers Schlumberger, Schlumberger Technology BV] PCT Int Appl 02 64528 ( 2002 )
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RUSSIA

• Method for preparation of organosilicon-lipid microcapsules for development of medicinal and cosmetic preparationsChubatova S. A., and Tul-skii, V. S. [Zao `Mirra M'] Russ 2173140 ( 2001)
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• Method of preparing microcapsulated forms of LactobacillusBykov V. A., Dalin, M. V., Somov, D. V., and Pavlova, L. A. [Moskovskaya Meditsinskaya Akademiya im I M Sechenova]Russ 2171672 ( 2001)
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• Multilayer light-reflecting traffic signs containing glass microspheresTukbaev E. E., Yudin, N. I., Vylegzhanin, V. D., Naumov, V. N., Kamenev, D. Y., and Liakumovich, A. G. Russ 2165356 ( 2001)
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UK

• Insulation materials for a double-walled pipe structure for transportation of fluids at elevated temperatures comprising composites of a polymer and glass, aluminosilicate micro-spheres or polymer particles and insulatedCodling R., and Summerfield, P. [Corus UK Limited] Brit UK Pat Appl 2370870 (2002)
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USA

• Artificial antigen presenting cells comprising liposome incorporated with recombinant soluble MHC-peptide complex for activating or suppressing T cellsHildebrand W. H., and Hickman, H. D. US Pat Appl Publ 20020122820 ( 2002 )
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• Calcium silicate thermal insulator containing aluminosilicate hollow microspheres, organic fibers, lime, silica-based material, and wollastoniteKrowl T. R., Doerr, B. K., and Borski, M. W. US Pat Appl Publ 20020112648 (2002)
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• Composition containing polymer microsphere and natural cork or ligneous plant matter for manufacturing stopper for bottle containing wine or liquid Nogueria de Sousa, J. A. D. S.US Pat App,? Publ 20020103275 (2002)
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• Excimer laser fabrication of microspherical and non-spherical polymeric structure array on substrate for producing metal mold of LCD face plateTsai H. Y., Pan, C. T., Chou, M. C., Chen, S. C., and Lin, Y. S. [Industrial Technology Research Institute] US Pat Appl Publ 20020110755 (2002)
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• Ink jet ink microcapsules having colored shells Palmer, D. J. US Pat Appl Publ 20020128348 (2002)
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• Liposomal compositions for mobilizing peripheral cholesterol in treatment of dislipidemias Rodrigueza, W. V., Williams, K. J., and Hope, M. J. US Pat Appl Publ 20020110587 (2002)
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• Manufacture of core composition containing co-crosslinking agent-encapsulated thermo-plastic microcapsules for solid golf ballsYokota M. US Pat Appl Publ 20020103042 (2002)
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• Manufacture of opacity enhancement of tissue products with thermally expandable micro-spheres for bath tissue, facial tissue, and towelsJimenez G., and Negri, A. R. US Pat Appl Publ 20020104632 (2002)
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• Materials and methods for making improved liposome compositions containing amphi-pathic peptides and proteins Onyuksel, H., and Rubinstein, I. US Pat Appl Publ 20020114829 (2002)
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• Method of manufacturing liposomesNiemiec S., Nystrand, G. A., and Wang, J. C. T. US Pat Appl Publ 20020119188 (2002)
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• Nanoparticle composites and nanocapsules for guest encapsulation and methods for synthe-sizing sameFeldheim D. L., Marinakos, S. M., and Shultz, D. A. [North Carolina State University] US Pat Appl Publ 20020115747 (2002)
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• Polymer microspheres/nanospheres for encapsulating therapeutic proteins Castor, T. P. US Pat Appl Publ 20020130430 (2002)
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• Polymeric, pH-sensitive, serum-stable liposomesPapahadjopoulos D., Meyer, 0., and Leroux, J. C. [The Regents of the University of California] US 6426086 (2002)
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• Preparation of open-cell porous glass containing glass microspheres from separated, com-pacted, molded and sintered fly ash cenospheres compositionsAnshits A. G., Sharonova, 0. M., Vereshchagina, T. A., Zykova, I. D., Revenko, Y. A., Tretyakov, A. A., Aloy, A. S., Lubtsev, R. I., Knecht, D. A., Tranter, T. J., and Macheret, Y. [The United States of America as Represented by the United States Department of Energy] US 6444162 (2002)
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• Sustained release hydrophobic bioactive PLGA microspheresVook N. C., Jacob, E., Setterstrom, J. A., Van Hamont, J., Vaughan, W., and Duong, H. [United States Dept of the Army] US 6447796 (2002)
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