Patent SG-11201407414U-A (SG)
Title: A method for treating a porous membrane and uses thereof
Inventor: YING JACKIE Y
IPC: B01D69/02
Filed: 2013-05-13
Abstract: (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 14 November 2013 (14.11.2013) WIPOIPCT (10) International Publication Number WO 2013/169213 A1 (51) International Patent Classification: B01D 69/02 (2006.01) K011) 69/00 (2006.01) (21) International Application Number: (22) International Filing Date: (25) Filing Language: (26) Publication Language: PCT/SG2013/000190 13 May 2013 (13.05.2013) English English (30) Priority Data: 201203480-7 11 May 2012 (11.05.2012) SG (71) Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH [SG/SG]; 1 Fusionopolis Way, #20-10 Connexis, Singapore 138632 (SG). (72) Inventors: YING, Jackie Y; c/o Institute of Bioengineer- ing and Nanotechnology, 31 Biopolis Way, #04-01 Nanos, Singapore 138669 (SG). LEE, Yong Yeow; c/o Institute of Bioengineering and Nanotechnology, 31 Biopolis Way, #04-01 Nanos, Singapore 138669 (SG). BAI, Jianhao; c/o Institute of Bioengineering and Nanotechnology, 31 Bi­ opolis Way, #04-01 Nanos, Singapore 138669 (SG). (74) Agent: SPRUSON & FERGUSON (ASIA) PTE LTD; P.O. Box 1531, Robinson Road Post Office, Singapore 903031 (SG). (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, [Continued on next page] (54) Title: A METHOD FOR TREATING A POROUS MEMBRANE AND USES THEREOF •a •si •5 o £ o <D >>• O) \"O 0 a C O T- 0 3 CO Wapr r - •\" • \" '• - ~ .y*-r 0.1%Tween ' ' 1 \"/ ' - ' ^ (57) Abstract: The present invention relates to a method for treating a porous membrane, said method comprising contacting said porous mem­ brane with at least one alcohol to reduce the pore size of said porous membrane relative to an untreated porous membrane. The invention fur­ ther relates an apparatus comprising to the treated porous membrane. Methanol Ethanol m i-H CJ o\ i-H en i-H o CJ O £ Untreated Membrane WO 2013/169213 A11 lllll llllllll II llllll III lllll lllll III III III lllll lllll lllll lllll lllll llll lllllll llll llll llll 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: — of inventorship (Rule 4.17 (iv)) Published: — with international search report (Art. 21(3))