(19)

(11)

EP 0 716 622 A1

(12)

(43) Date of publication: 19.06.1996 Bulletin 1996/25 (21) Application number: 94925260.0 (22) Date of filing: 12.08.1994

(51) International Patent Classification (IPC):  A61M 5/ 38( . ) B01D 61/ 18( . ) B01D 19/ 00( . ) B01D 63/ 08( . ) (86) International application number: PCT/US1994/009118 (87) International publication number: WO 1995/006506 (09.03.1995 Gazette 1995/11)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE (30) Priority: 02.09.1993 US 19930116095 (71) Applicant: ABBOTT LABORATORIES Mountain View, CA 94043 (US)	(72) Inventors: BRYANT, Peter, L. Libertyville, IL 60048 (US) CARON, Lois, L. McHenry, IL 60050 (US) (74) Representative: Modiano, Guido, Dr.-Ing., et al  Modiano, Josif, Pisanty & Staub, Baaderstrasse 3 D-80469 München D-80469 München (DE)