(19)

(11)

EP 0 862 488 A1

(12)

(43) Date of publication: 09.09.1998 Bulletin 1998/37 (21) Application number: 96934765.0 (22) Date of filing: 21.10.1996

(51) International Patent Classification (IPC):  A61L 15/ 60( . ) B01J 20/ 26( . ) B01D 15/ 00( . ) (86) International application number: PCT/EP1996/004557 (87) International publication number: WO 1997/015367 (01.05.1997 Gazette 1997/19)

(84) Designated Contracting States: AT BE DE DK ES FI FR GB GR IE SE (30) Priority: 24.10.1995 GB 19950021779 04.03.1996 GB 19960004571 (71) Applicant: CAMELOT SUPERABSORBENTS LTD Calgary, Alberta T2E 7L6 (CA)	(72) Inventors: DAN, Ervin Calgary, Alberta T2R 1H3 (CA) ZHONG, Amy Calgary, Alberta T2E 7L6 (CA) (74) Representative: Smaggasgale, Gillian Helen, et al  Mathys & Squire, 100 Gray's Inn Road London WC1X 8AL London WC1X 8AL (GB)