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1. (WO2001030145) ACTIVE MATERIAL WITHIN HYDROGEL MICROBEADS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2001/030145    International Application No.:    PCT/US2000/027947
Publication Date: 03.05.2001 International Filing Date: 10.10.2000
Chapter 2 Demand Filed:    21.05.2001    
IPC:
A01N 25/10 (2006.01), A01N 25/28 (2006.01), A61K 8/04 (2006.01), A61K 8/34 (2006.01), A61K 8/35 (2006.01), A61K 8/37 (2006.01), A61K 8/73 (2006.01), B01J 13/00 (2006.01), B01J 13/14 (2006.01)
Applicants: 3M INNOVATIVE PROPERTIES COMPANY [US/US]; 3M Center, Post Office Box 33427, Saint Paul, MN 55133-3427 (US)
Inventors: QUONG, Douglas; (US)
Agent: BJORKMAN, Dale, A.; Office of Intellectual Property Counsel, Post Office Box 33427, Saint Paul, MN 55133-3427 (US)
Priority Data:
09/425,636 22.10.1999 US
Title (EN) ACTIVE MATERIAL WITHIN HYDROGEL MICROBEADS
(FR) MICROPERLES D'HYDROGEL RENFERMANT UNE MATIERE ACTIVE
Abstract: front page image
(EN)A method of delivering active material using microbeads comprising droplets of active material entrained in a hydrophilic matrix. Compositions comprising the microbeads may be sprayable. The microbeads of the invention may be controllable by exposing the microbeads to high or low humidity or moisture.
(FR)L'invention concerne un procédé permettant de libérer une matière active au moyen de microperles renfermant des gouttelettes de matière active entraînées dans une matrice hydrophile. Les compositions renfermant des microperles sont pulvérisables. Les microperles de la présente invention peuvent être réglées par exposition à un taux d'humidité faible ou élevé.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, BZ, CA, CH, CN, CR, CU, CZ, DE, DK, DM, DZ, EE, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TR, TT, TZ, UA, UG, UZ, VN, YU, ZA, ZW.
African Regional Intellectual Property Organization (GH, GM, KE, LS, MW, MZ, SD, SL, SZ, TZ, UG, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)