(19)

(11)

EP 0 690 869 A1

(12)

(43) Date of publication: 10.01.1996 Bulletin 1996/02 (21) Application number: 94912290.0 (22) Date of filing: 23.03.1994

(51) International Patent Classification (IPC):  C07K 14/ 47( . ) C12N 15/ 115( . ) C12N 15/ 113( . ) (86) International application number: PCT/US1994/003125 (87) International publication number: WO 1994/021661 (29.09.1994 Gazette 1994/22)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 23.03.1993 US 19930035457 04.03.1994 US 19940205716 (71) Applicant: THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY Stanford, CA 94304 (US)	(72) Inventors: BLAU, Helen Menlo Park, CA 94025 (US) RASTINEJAD, Farzan Atlanta, GA 30329 (US) (74) Representative: Greaves, Carol Pauline, et al  Mewburn Ellis York House 23 Kingsway London WC2B 6HP London WC2B 6HP (GB)