(19)

(11)

EP 0 770 090 A1

(12)

(43) Date of publication: 02.05.1997 Bulletin 1997/18 (21) Application number: 95927137.0 (22) Date of filing: 13.07.1995

(51) International Patent Classification (IPC):  C07K 14/ 05( . ) (86) International application number: PCT/US1995/008700 (87) International publication number: WO 1996/002563 (01.02.1996 Gazette 1996/06)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 13.07.1994 US 19940275614 (71) Applicant: CORNELL RESEARCH FOUNDATION, INC. Ithaca, NY 14850 (US)	(72) Inventor: O'DONNELL, Michael E. Hastings on Hudson, NY 10706 (US) (74) Representative: Bassett, Richard, et al  ERIC POTTER & CLARKSON St. Mary's Court St. Mary's Gate Nottingham NG1 1LE Nottingham NG1 1LE (GB)