(19)

(11)

EP 0 998 507 A1

(12)

(43) Date of publication: 10.05.2000 Bulletin 2000/19 (21) Application number: 98935946.8 (22) Date of filing: 23.07.1998

(51) International Patent Classification (IPC)7: C08G 18/58, C08G 18/40, C08G 18/00, C09D 175/04 (86) International application number: PCT/US9815/230 (87) International publication number: WO 9905/193 (04.02.1999 Gazette 1999/05)

(84) Designated Contracting States: BE CH DE DK ES FR GB IT LI NL SE (30) Priority: 24.07.1997 US 53556 P (71) Applicant: E.I. DU PONT DE NEMOURS AND COMPANY WilmingtonDelaware 19898 (US)	(72) Inventors: BARSOTTI, Robert, John Franklinville, NJ 08322 (US) HARPER, Lee, R. Media, PA 19063 (US) NORDSTROM, John, David Huntington Woods, MI 48070 (US) (74) Representative: Kuhnen & Wacker  Patentanwaltsgesellschaft mbH,Alois-Steinecker-Strasse 22 85354 Freising 85354 Freising (DE)