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1. (WO2010077876) CHEMICALLY-MODIFIED POLYBENZIMIDAZOLE MEMBRANOUS TUBES
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2010/077876 International Application No.: PCT/US2009/068098
Publication Date: 08.07.2010 International Filing Date: 15.12.2009
IPC:
C08J 5/20 (2006.01) ,C08G 73/18 (2006.01) ,B01D 61/02 (2006.01)
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
J
WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H142
5
Manufacture of articles or shaped materials containing macromolecular substances
20
Manufacture of shaped structures of ion-exchange resins
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
G
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
73
Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen or carbon, not provided for in groups C08G12/-C08G71/238
06
Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule; Polyhydrazides; Polyamide acids or similar polyimide precursors
18
Polybenzimidazoles
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
D
SEPARATION
61
Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
02
Reverse osmosis; Hyperfiltration
Applicants:
NATIONAL UNIVERSITY OF SINGAPORE [SG/SG]; 21 Lower Kent Ridge Road Singapore 119077, SG (AllExceptUS)
WANG, Kai Yu [CN/SG]; SG (UsOnly)
YANG, Qian [CN/SG]; SG (UsOnly)
CHUNG, Tai-Shung [US/SG]; SG (UsOnly)
Inventors:
WANG, Kai Yu; SG
YANG, Qian; SG
CHUNG, Tai-Shung; SG
Agent:
TSAO, Y. Rocky; Occhiuti Rohlicek & Tsao LLP 10 Fawcett Street Cambridge, Massachusetts 02138, US
Priority Data:
61/122,77616.12.2008US
Title (EN) CHEMICALLY-MODIFIED POLYBENZIMIDAZOLE MEMBRANOUS TUBES
(FR) TUBES MEMBRANEUX DE POLYBENZIMIDAZOLE CHIMIQUEMENT MODIFIÉ
Abstract:
(EN) This invention relates to a chemically-modified polybenzimidazole porous tube. The tube has an outer diameter of 100-1000 microns, a wall thickness of 20-100 microns, and a pore size of 0.1-0.5 nm.
(FR) La présente invention porte sur un tube poreux de polybenzimidazole chimiquement modifié. Le tube a un diamètre externe allant de 100 à 1000 micromètres, une épaisseur de paroi allant de 20 à 100 micromètres, et une dimension de pore allant de 0,1 à 0,5 nm.
front page image
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, 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, PE, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, 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, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (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, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
US20110311745