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1. (WO2017156632) CHITOSAN HYDROGELS FOR ACCELERATING INVOLUTION AND PREVENTING INFECTION OF THE MAMMARY GLAND AT DRYING-OFF
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Pub. No.: WO/2017/156632 International Application No.: PCT/CA2017/050339
Publication Date: 21.09.2017 International Filing Date: 16.03.2017
IPC:
A61K 31/722 (2006.01) ,A61P 31/00 (2006.01) ,A61P 31/04 (2006.01) ,C08B 37/08 (2006.01)
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
K
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
31
Medicinal preparations containing organic active ingredients
70
Carbohydrates; Sugars; Derivatives thereof
715
Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
716
Glucans
722
Chitin; Chitosan
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
P
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
31
Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
P
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
31
Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
04
Antibacterial agents
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
B
POLYSACCHARIDES; DERIVATIVES THEREOF
37
Preparation of polysaccharides not provided for in groups C08B1/-C08B35/110; Derivatives thereof
08
Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
Applicants:
HER MAJESTY THE QUEEN IN RIGHT OF CANADA, AS REPRESENTED BY THE MINISTER OF AGRICULTURE AND AGRI-FOOD [CA/CA]; Centre de R&D de Sherbrooke 2000 College Sherbrooke, Québec J1M 0C8, CA
Inventors:
LACASSE, Pierre; CA
LANCTÔT, Samuel; CA
FUSTIER, Patrick; CA
BÉGIN, André; null
TAHERIAN, Ali R.; CA
BISAKOWSKI, Barbara; CA
Agent:
MOFFAT & CO.; P.O. Box 2088, STN D 1200-427 Laurier Ave. W. Ottawa, Ontario K1P 5W3, CA
Priority Data:
62/310,02518.03.2016US
Title (EN) CHITOSAN HYDROGELS FOR ACCELERATING INVOLUTION AND PREVENTING INFECTION OF THE MAMMARY GLAND AT DRYING-OFF
(FR) HYDROGELS À BASE DE CHITOSANE POUR ACCÉLÉRER L'INVOLUTION ET PRÉVENIR L'INFECTION DE LA GLANDE MAMMAIRE LORS DU TARISSEMENT
Abstract:
(EN) A method of preventing intramammary infection and accelerating involution by administration of a biological response modifier, specifically a chitosan solution, to the teat of a lactating mammal at drying-off A chitosan solution neutralized with a weak base such as β-glycerophosphate can remain liquid at room temperature for injection into a teat, but can form a hydrogel at body temperature inside the teat. The neutralized chitosan solution can also be optionally co-administered with a teat sealant.
(FR) L'invention concerne un procédé de prévention de l'infection intramammaire et d'accélération de l'involution par administration d'un modificateur de réponse biologique, plus spécifiquement, d'une solution de chitosane, au trayon d'un mammifère en lactation lors du tarissement. Une solution de chitosane neutralisée avec une base faible, telle qu'un β-glycérophosphate peut rester liquide à température ambiante pour l'injection dans un trayon, mais peut former un hydrogel à la température du corps à l'intérieur du trayon. La solution de chitosane neutralisée peut également être éventuellement co-administrée avec un produit d'obturation de trayon.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)