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Machine translation
1. (WO2001036000) TEMPERATURE-CONTROLLED AND PH-DEPENDANT SELF-GELLING BIOPOLYMERIC AQUEOUS SOLUTION
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2001/036000    International Application No.:    PCT/CA2000/001341
Publication Date: 25.05.2001 International Filing Date: 10.11.2000
Chapter 2 Demand Filed:    15.06.2001    
IPC:
A61K 47/36 (2006.01), A61K 47/42 (2006.01), A61L 27/20 (2006.01), A61L 27/22 (2006.01), A61L 27/26 (2006.01), A61L 27/52 (2006.01)
Applicants: BIO SYNTECH CANADA, INC. [CA/CA]; 475 boul. Armand-Frappier, Laval, Québec H7V 4A7 (CA) (For All Designated States Except US).
CHENITE, Abdellatif [CA/CA]; (CA) (For US Only).
CHAPUT, Cyril [CA/CA]; (CA) (For US Only).
WANG, Dong [CA/CA]; (CA) (For US Only).
SELMANI, Amine [CA/CA]; (CA) (For US Only)
Inventors: CHENITE, Abdellatif; (CA).
CHAPUT, Cyril; (CA).
WANG, Dong; (CA).
SELMANI, Amine; (CA)
Agent: CAWTHORN, Christian; Swabey Ogilvy Renault, Suite 1600, M1981 McGill College Avenue, Montreal, Québec H3A 2Y3 (CA)
Priority Data:
60/165,641 15.11.1999 US
Title (EN) TEMPERATURE-CONTROLLED AND PH-DEPENDANT SELF-GELLING BIOPOLYMERIC AQUEOUS SOLUTION
(FR) SOLUTION BIOPOLYMERE AQUEUSE AUTO-GELIFIANTE EN FONCTION DU PH ET A TEMPERATURE CONTROLEE
Abstract: front page image
(EN)The present invention relates a biopolymeric liquid aqueous composition for producing self-gelling systems and gels, which comprises: an acidic water-based medium, 0.1 to 10 % by weight of a pH-gelling acid-soluble biopolymer; and 0.1 to 10 % by weight of a water-soluble molecule having a basic character and a pKa between 6.0 and 8.4, or a water-soluble residue or sequence of the molecule having a basic character and a pKa between 6.0 and 8.4. The liquid composition has a final pH ranging from 5.8 and 7.4, and forms a stable solid and homogeneous gel within a temperature range from 10 to 70 °C. The present invention also relates to a method for preparing the composition and uses thereof.
(FR)L'invention concerne une composition biopolymère aqueuse liquide utilisée pour la production de systèmes auto-gélifiants et de gels. Ladite composition comprend : un milieu à base d'eau acide, 0,1 à 10 % en poids d'un biopolymère soluble dans l'acide et gélifiant selon le pH ; et 0,1 à 10 % en poids d'une molécule hydrosoluble possédant un caractère basique et un pKa compris entre 6,0 et 8,4, ou un résidu ou une séquence hydrosoluble de la molécule à caractère basique et présentant un pKa compris entre 6,0 et 8,4. La composition liquide possède un pH final compris entre 5,8 et 7,4 et forme un gel solide stable et homogène dans une plage de température comprise entre 10 et 70 °C. L'invention porte également sur un procédé de préparation de ladite composition et sur ses utilisations.
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, US, 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, TR)
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)