(19)

(11)

EP 1 140 334 A1

(12)

(43) Date of publication: 10.10.2001 Bulletin 2001/41 (21) Application number: 00941430.1 (22) Date of filing: 15.06.2000

(51) International Patent Classification (IPC)7: B01D 71/28 (86) International application number: PCT/US0016/446 (87) International publication number: WO 0105/492 (25.01.2001 Gazette 2001/04)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 16.07.1999 US 356222 (71) Applicant: BAXTER INTERNATIONAL INC. Deerfield, Illinois 60015 (US)	(72) Inventors: STERNBERG, Shmuel Palatine, IL 60067 (US) BOGGS, Daniel, R. Lake Bluff, IL 60044 (US) PAULEY, Robin, G. Lake Villa, IL 60046 (US) MOY, Bonny Grayslake, IL 60030 (US) (74) Representative: Dee, Ian Mark et al Eric Potter Clarkson,Park View House,58 The Ropewalk Nottingham NG1 5DD Nottingham NG1 5DD (GB)