(19)

(11)

EP 0 814 850 A1

(12)

(43) Date of publication: 07.01.1998 Bulletin 1998/02 (21) Application number: 97901362.0 (22) Date of filing: 07.01.1997

(51) International Patent Classification (IPC):  A61K 51/ 00( . ) A61K 51/ 08( . ) (86) International application number: PCT/US1997/000176 (87) International publication number: WO 1997/025074 (17.07.1997 Gazette 1997/31)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 12.01.1996 US 19960588912 (71) Applicant: Redcell Canada Inc. South San Francisco, California 94080 (US)	(72) Inventors: EZRIN, Alan, M. Moraga, CA 94556 (US) KRANTZ, Alexander Menlo Park, CA 94025 (US) (74) Representative: Baldock, Sharon Claire, et al  BOULT WADE TENNANT, 27 Furnival Street London EC4A 1PQ London EC4A 1PQ (GB)