(19)

(11)

EP 0 776 341 A1

(12)

(43) Date of publication: 04.06.1997 Bulletin 1997/23 (21) Application number: 95930232.0 (22) Date of filing: 18.08.1995

(51) International Patent Classification (IPC):  C08G 65/ 26( . ) C08F 2/ 06( . ) C08F 10/ 00( . ) C08G 2/ 18( . ) C08G 64/ 02( . ) C08F 2/ 00( . ) C08F 2/ 34( . ) C08F 16/ 16( . ) C08G 16/ 02( . ) C08G 73/ 02( . ) (86) International application number: PCT/US1995/010607 (87) International publication number: WO 1996/006118 (29.02.1996 Gazette 1996/10)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 18.08.1994 US 19940292424 26.05.1995 US 19950451176 (71) Applicant: THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL Chapel Hill, North Carolina 27599-4100 (US)	(72) Inventors: DESIMONE, Joseph, M. Chapel Hill, NC 27516 (US) CLARK, Michael, R. Chapel Hill, NC 27516 (US) (74) Representative: Horner, Martin Grenville  Cruikshank & Fairweather 19 Royal Exchange Square Glasgow G1 3AE Scotland Glasgow G1 3AE Scotland (GB)