(19)

(11)

EP 0 949 946 A1

(12)

(43) Date of publication: 20.10.1999 Bulletin 1999/42 (21) Application number: 97954595.0 (22) Date of filing: 19.12.1997

(51) International Patent Classification (IPC):  A61K 35/ 14( . ) A61P 7/ 00( . ) A61M 1/ 02( . ) B01D 21/ 26( . ) (86) International application number: PCT/US1997/023558 (87) International publication number: WO 1998/028057 (02.07.1998 Gazette 1998/26)

(84) Designated Contracting States: AT DE ES FR GB IT (30) Priority: 24.12.1996 US 19960034145P (71) Applicant: Pall Corporation East Hills, New York 11548 (US)	(72) Inventors: ANGELBECK, Judy Huntington, NY 11743 (US) WENZ, Barry White Plains, NY 10605 (US) (74) Representative: Knott, Stephen Gilbert, et al  MATHISEN, MACARA & CO. The Coach House 6-8 Swakeleys Road Ickenham Uxbridge UB10 8BZ Ickenham Uxbridge UB10 8BZ (GB)