(19)

(11)

EP 0 801 674 A1

(12)

(43) Date of publication: 22.10.1997 Bulletin 1997/43 (21) Application number: 96938724.0 (22) Date of filing: 30.10.1996

(51) International Patent Classification (IPC):  C12M 3/ 06( . ) A61M 1/ 36( . ) A61M 1/ 34( . ) A61F 2/ 02( . ) A61M 1/ 16( . ) (86) International application number: PCT/US1996/017559 (87) International publication number: WO 1997/016527 (09.05.1997 Gazette 1997/20)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 30.10.1995 US 19950550162 (71) Applicant: Cellex Biosciences, Inc. Coon Rapids, MN 55433 (US)	(72) Inventors: PAGE, Darrell East Bethel, MN 55005 (US) WOJCIECHOWSKI, Robert Cottage Grove, MN 55016 (US) (74) Representative: Gowshall, Jonathan Vallance  FORRESTER & BOEHMERT Franz-Joseph-Strasse 38 80801 München 80801 München (DE)