Patent SG-11201407514W-A (SG)
Title: Wound dressing comprising bio - cellulose and silver nanoparticles
Inventor: APASUTHIRAT ADISORN
IPC: A61L15/46
Filed: 2013-01-29
Abstract: (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 28 November 2013 (28.11.2013) WIPOIPCT (10) International Publication Number WO 2013/176633 A1 (51) International Patent Classification: A61L 15/28 (2006.01) A61L 15/46 (2006.01) (21) International Application Number: (22) International Filing Date: (25) Filing Language: (26) Publication Language: PCT/TH2013/000004 29 January 2013 (29.01.2013) English English (30) Priority Data: 1201002468 21 May 2012 (21.05.2012) TH (71) Applicant: NOVATEC HEALTHCARE COMPANY LIMITED [TH/TH]; 599/15 Moo 5 Srinakarin Road, Samrong-Nua, Muang, Samutprakam 10270 (TH). (72) Inventors: APASUTHIRAT, Adisom; 599/15 Moo 5 Srinakarin Road, Samrong-Nua, Muang, Samutprakam 10270 (TH). RUNGSILP, Sombat; 28-28/1 Soi Teptippa U-tid4, Ramate Road, Koohasawan, Muang, Phatthalung 93000 (TH). (74) Agent: UTTASART, Chavalit; Chavalit & Associates Limited, Rajanakarn Building, 20th Floor, 183 South Sathorn Road, Yannawa, Sathorn, Bangkok 10120 (TH). (81) Designated States (unless otherwise indicated, for every kind of national protection available)'. 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, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, 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, 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. (84) Designated States (unless otherwise indicated, for every kind of regional protection available)'. ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (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), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG). Declarations under Rule 4.17: — as to the applicant's entitlement to claim the priority of the earlier application (Rule 4.17(iii)) [Continued on next page] (54) Title: WOUND DRESSING COMPRISING BIO - CELLULOSE AND SILVER NANOPARTICLES i-H o CJ o & m . X IS; 000 FIG. 2 (57) Abstract: The present disclosure relates to dressings for wounds, methods of preparing thereof and methods of using thereof. Also, the present disclosure relates to a wound dressing comprising: bio-cellulose; and silver nanoparticles, wherein the concentration of silver nano­ particles is about 1000 (xg/100 cm2 or less or about 1000 (xg/ cm3 or less, and wherein the silver nanoparticles have a localized surface Plasmon resonance max­ ima of about 600nm about 800nm. to WO 2013/176633 A11 lllll llllllll II llllll lllll III lllll lllll III III III lllll lllll lllll lllll llll lllllll llll llll llll Published: — with international search report (Art. 21(3))