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1. (WO2007001240) SURFACE TREATMENT OF ALUMINA FILMS
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2007/001240 International Application No.: PCT/SG2006/000183
Publication Date: 04.01.2007 International Filing Date: 29.06.2006
IPC:
B01D 67/00 (2006.01) ,B01D 69/06 (2006.01) ,B01D 71/02 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
D
SEPARATION
67
Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
D
SEPARATION
69
Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
06
Flat membranes
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
D
SEPARATION
71
Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
02
Inorganic material
Applicants:
NATIONAL UNIVERSITY OF SINGAPORE [SG/SG]; 10 KENT RIDGE CRESCENT Singapore 119260, SG (AllExceptUS)
TOH, CHEE SENG [SG/SG]; SG (UsOnly)
LIU, LINGYAN [SG/SG]; SG (UsOnly)
Inventors:
TOH, CHEE SENG; SG
LIU, LINGYAN; SG
Agent:
ELLA CHEONG SPRUSON & FERGUSON (SINGAPORE) PTE LTD; P.O. BOX 1531 ROBINSON ROAD POST OFFICE Singapore 903031, SG
Priority Data:
60/695,16029.06.2005US
Title (EN) SURFACE TREATMENT OF ALUMINA FILMS
(FR) TRAITEMENT DE SURFACE DE FILMS D'ALUMINE
Abstract:
(EN) A method of treating an alumina film comprising the step of exposing said alumina film to a carboxylic acid solution under conditions to reduce the hydropilic properties of the surface of said film.
(FR) L'invention concerne un procédé de traitement d'un film d'alumine, comprenant une étape d'exposition dudit film d'alumine à une solution d'acide carboxylique dans des conditions spécifiques a fin de réduire les propriétés hydrophiles de la surface dudit film.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, 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, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, 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:
US20100059363