(19)

(11)

EP 0 862 621 A1

(12)

(43) Date of publication: 09.09.1998 Bulletin 1998/37 (21) Application number: 96936867.0 (22) Date of filing: 23.10.1996

(51) International Patent Classification (IPC):  C07K 14/ 47( . ) C12N 9/ 12( . ) B82B 1/ 00( . ) (86) International application number: PCT/US1996/016953 (87) International publication number: WO 1997/015659 (01.05.1997 Gazette 1997/19)

(84) Designated Contracting States: CH DE FR GB LI NL SE (30) Priority: 23.10.1995 US 19950005808P 24.10.1995 US 19950006069P (71) Applicant: CORNELL RESEARCH FOUNDATION, INC. Ithaca, NY 14850 (US)	(72) Inventors: CLARDY, Jon, C. Ithaca, NY 14850 (US) CHOI, Jungwon Yang Cheon-gu, Seoul 158-071 (KR) (74) Representative: VOSSIUS & PARTNER  Siebertstrasse 4 81675 München 81675 München (DE)