Patent SG-11201804454X-A (SG)
Title: A polymeric composition
Inventor: YING JACKIE Y
IPC: C08L33/08
Filed: 2016-11-22
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -' Organization International Bureau r5)1 (43) International Publication Date .... ..sr ,„„..) 1 June 2017 (01.06.2017) WIPO I PCT ID Hit (10) WO International 2017/091150 1111111111111111111111111111111111111111111111111111111111111t111111111111111 Publication Number Al (51) International Patent Classification: (81) Designated States (unless C08F 220/18 (2006.01) A61L 27/16 (2006.01) kind of national protection CO8L 33/08 (2006.01) A61L 27/52 (2006.01) AO, AT, AU, AZ, BA, BZ, CA, CH, CL, CN, (21) International Application Number: DO, DZ, EC, EE, EG, PCT/SG2016/050575 HN, HR, HU, ID, IL, (22) International Filing Date: KW, KZ, LA, LC, LK, 22 November 2016 (22.11.2016) MG, MK, MN, MW, OM, PA, PE, PG, PH, (25) Filing Language: English SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, (26) Publication Language: English TN, TR, TT, TZ, UA, ZW. (30) Priority Data: 10201509758W 26 November 2015 (26.11.2015) SG (84) Designated States (unless kind of regional protection (71) Applicant: AGENCY FOR SCIENCE, TECHNOLOGY GM, KE, LR, LS, MW, AND RESEARCH [SG/SG]; 1 Fusionopolis Way, #20-10 TZ, UG, ZM, ZW), Eurasian Connexis, Singapore 138632 (SG). TJ, TM), European (AL, DK, EE, ES, FI, FR, (72) Inventors: YING, Jackie Y.; c/o Institute of Bioengineer- LV, MC, MK, MT, NL, ing & Nanotechnology, 31 Biopolis Way, The Nanos, #04- SM, TR), OAPI (BF, otherwise indicated, for every available): AE, AG, AL, AM, BB, BG, BH, BN, BR, BW, BY, CO, CR, CU, CZ, DE, DJ, DK, DM, ES, FI, GB, GD, GE, GH, GM, GT, IN, IR, IS, JP, KE, KG, KN, KP, KR, LR, LS, LU, LY, MA, MD, ME, MX, MY, MZ, NA, NG, NI, NO, NZ, PL, PT, QA, RO, RS, RU, RW, SA, UG, US, UZ, VC, VN, ZA, ZM, otherwise indicated, for every available): ARIPO (BW, GH, MZ, NA, RW, SD, SL, ST, SZ, (AM, AZ, BY, KG, KZ, RU, AT, BE, BG, CH, CY, CZ, DE, GB, GR, HR, HU, IE, IS, IT, LT, LU, NO, PL, PT, RO, RS, SE, SI, SK, BJ, CF, CG, CI, CM, GA, GN, GQ, 01, Singapore 138669 (SG). ERATHODIYIL, Nandanan; c/o Institute of Bioengineering & Nanotechno - GW, KM, ML, MR, NE, SN, TD, TG). logy, 31 Biopolis Way, The Nanos, #04-01, Singapore Declarations under Rule 4.17: 138669 WU, Hong; Institute Bioengineering (SG). c/o of & Nanotechnology, 31 Biopolis Way, The Nanos, #04-01, of inventorship (Rule 4.17(iv)) Singapore 138669 (SG). CHAN, Hsi-Min; c/o Institute of Published: Bioengineering & Nanotechnology, 31 Biopolis Way, The — with international search report (Art 21(3)) Nanos, #04-01, Singapore 138669 (SG). (74) Agent: SPRUSON & FERGUSON (ASIA) PTE LTD; P.O. Box 1531, Robinson Road Post Office, Singapore 903031 (SG). — (54) Title: A POLYMERIC COMPOSITION [Fig. 1] 0 31-1 - o - -...„ ---- t001-1 8 ..1 1 4 H N \ H .. - .--_ 2 0 , 5 ;, ---- `8,C-Na Il t C in P S I - COGH 7 N>#.2 1-1 Hydrogel A 01 MLL once/M (% 0 at/on 5 D 10 E 20 F 25 k x 30 H 50 75 .1 100 C IN 1-1 (57) : A polymeric composition comprising (i) a plurality of monomers selected from (a) a carboxylic acryloyi monomer; N (b) a sulfonic acryloyi monomer; (c) an amine acryloyi monomer; (d) a hydroxyl acryloyi monomer; (e) an alkyl acryloyi monomer; and (f) a polyalkylene hydroxyl acryloyi monomer; (ii) a divalent metallic crosslinking agent; and (c) a stabilizing agent is disclosed C herein. Also provided are the use of said polymeric composition as a hydrogel coating material, a method of synthesizing the poly - .• meric composition and the use of the hydrogel material.