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1. (WO1997015367) ABSORPTION OF WATER
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1997/015367 International Application No.: PCT/EP1996/004557
Publication Date: 01.05.1997 International Filing Date: 21.10.1996
Chapter 2 Demand Filed: 23.05.1997
IPC:
A61L 15/60 (2006.01) ,B01D 15/00 (2006.01) ,B01J 20/26 (2006.01)
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
L
METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
15
Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
16
Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
42
Use of materials characterised by their function or physical properties
60
Liquid-swellable gel-forming materials, e.g. super-absorbents
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
D
SEPARATION
15
Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
J
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
20
Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
22
comprising organic material
26
Synthetic macromolecular compounds
Applicants:
CAMELOT SUPERABSORBENTS LIMITED [CA/CA]; #3 1411 - 25th Avenue N.E. Calgary, Alberta T2E 7L6, CA (AL, AM, AT, AU, AZ, BA, BB, BE, BF, BG, BJ, BR, BY, CA, CF, CG, CH, CI, CM, CN, CU, CZ, DE, DK, EE, ES, FI, FR, GA, GB, GE, GN, GR, HU, IE, IL, IS, IT, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MC, MD, MK, ML, MN, MR, MW, MX, NE, NL, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SN, SZ, TD, TG, TJ, TM, TR, TT, UA, UG, UZ, VN)
CAMELOT SUPERABSORBENTS B.V. [NL/NL]; Hengelosestraat 706 Postbus 545 NL-7500 AM Enschede, NL (MG)
DAN, Ervin [CA/CA]; CA (UsOnly)
ZHONG, Amy [CA/CA]; CA (UsOnly)
Inventors:
DAN, Ervin; CA
ZHONG, Amy; CA
Agent:
SMAGGASGALE, Gillian, Helen ; Mathys & Squire 100 Gray's Inn Road London WC1X 8AL, GB
Priority Data:
9521779.024.10.1995GB
9604571.104.03.1996GB
Title (EN) ABSORPTION OF WATER
(FR) ABSORPTION D'EAU
Abstract:
(EN) The use of a water-absorbent composition is described which absorbs water in the presence of multiple valent ions. The water-absorbent composition is a polymeric material having two or more pendant carboxylic acid groups which are located in close proximity.
(FR) On décrit l'utilisation d'une composition absorbant l'eau en présence d'ions multivalents. Cette composition est constituée d'un matériau polymère présentant au moins deux groupes pendants d'acides carboxyliques à proximité immédiate l'un de l'autre.
Designated States: AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, CA, CH, CN, CU, CZ, DE, DK, EE, ES, FI, GB, GE, HU, IL, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MD, MG, MK, MN, MW, MX, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, TJ, TM, TR, TT, UA, UG, US, UZ, VN
African Regional Intellectual Property Organization (ARIPO) (KE, LS, MW, SD, SZ, UG)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
EP0862488CA2242642AU1996072963