(19)

(11)

EP 0 751 978 A1

(12)

(43) Date of publication: 08.01.1997 Bulletin 1997/02 (21) Application number: 96905213.0 (22) Date of filing: 24.01.1996

(51) International Patent Classification (IPC):  C08G 18/ 42( . ) C09D 167/ 03( . ) C09D 171/ 12( . ) C09D 167/ 00( . ) C09D 167/ 06( . ) C09D 175/ 06( . ) (86) International application number: PCT/US1996/000982 (87) International publication number: WO 1996/023034 (01.08.1996 Gazette 1996/35)

(84) Designated Contracting States: AT BE DE ES FR GB IT NL (30) Priority: 24.01.1995 WO 1995US01058 07.06.1995 US 19950477091 (71) Applicant: EASTERN MICHIGAN UNIVERSITY Ypsilanti, MI 48197 (US)	(72) Inventors: JONES, Frank Ann Arbor, MI 48108 (US) FU, Shou-kuan Shanghai 20043 (CN) YUAN, Xiaoying Webster, NY 14580 (US) HUA, Jun Morganville, NJ 08820 (US) (74) Representative: Lethem, David J., et al  Hoffmann Eitle & Partner, Patent- und Rechtsanwälte, Arabellastrasse 4 81925 München 81925 München (DE)