Patent SG-11201811593Q-A (SG)
Title: Highly retentive polyamide hollow fiber membranes produced via controlled shrinkage
Inventor: WOO MAYBELLE
IPC: B01D69/02
Filed: 2017-06-26
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property 111111H1110111111111111111101111101011H0111111111111111101111111111111111110111111 Organization International Bureau (10) International Publication Number (43) International Publication Date ......0\" WO 2018/005326 Al 04 January 2018 (04.01.2018) W I PO I PCT (51) International Patent Classification: HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, BOlD 63/02 (2006.01) BOlD 69/08 (2006.01) KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, BOlD 67/00 (2006.01) BOlD 71/56 (2006.01) MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, BOlD 69/02 (2006.01) BOlD 61/14 (2006.01) OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, (21) International Application Number: SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, PCT/US2017/039203 TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (22) International Filing Date: (84) Designated States (unless otherwise indicated, for every 26 June 2017 (26.06.2017) kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, (25) Filing Language: English UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, (26) Publication Language: English 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, (30) Priority Data: MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, 62/355,001 27 June 2016 (27.06.2016) US TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). (71) Applicant: ENTEGRIS, INC. [US/US]; 129 Concord Road, Billerica, Massachusetts 01821 (US). Published: (72) Inventors: WOO, Maybelle; Entegris, Inc., 129 Concord — with international search report (Art. 21(3)) Road, Billerica, Massachusetts 01821 (US). TOWNLEY, — before the expiration of the time limit for amending the Jeffrey, E.; Entegris, Inc., 129 Concord Road, Billerica, claims and to be republished in the event of receipt of Massachusetts 01821 (US). CHENG, Kwok-Shun; En- amendments (Rule 48.2(h)) tegris, Inc., 129 Concord Road, Billerica, Massachusetts 01821 (US). (74) Agent: PILLION, John, E.; Entegris, Inc., 129 Concord Road, Billerica, Massachusetts 01821 (US). (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, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, — (54) Title: HIGHLY RETENTIVE POLYAMIDE AGE 53 54' 1-1 ei M ir) 0 0 —.... 00 1-1 (57) : Described herein is a polyamide 0 el The polyamide hollow fiber membrane has an particle rejection percentage of about 100% 0 hollow fiber membranes described herein for are particularly useful 11 th 56 particles having hollow isopropanol permeability \ \ 1 HOLLOW FIBER MEMBRANES PRODUCED VIA CONTROLLED SHRINK- I I fiber II Illi membrane 55 51 v. „. FIG. 3A and methods of making and using the hollow fiber membrane. of from about 5 L/m2 h bar to about 150 L/m2 h bar and a a nominal diameter of from about 1 nm to about 25 nm. The polyamide for photoresist filtration, for example.