(19)

(11)

EP 0 586 610 A1

(12)

(43) Date of publication: 16.03.1994 Bulletin 1994/11 (21) Application number: 92917363.0 (22) Date of filing: 12.05.1992

(51) International Patent Classification (IPC):  C08J 5/ 18( . ) C08L 23/ 10( . ) (86) International application number: PCT/US1992/003779 (87) International publication number: WO 1992/021719 (10.12.1992 Gazette 1992/31)

(84) Designated Contracting States: DE ES FR GB IT (30) Priority: 29.05.1991 US 19910706854 (71) Applicant: E.I. DU PONT DE NEMOURS AND COMPANY Wilmington Delaware 19898 (US)	(72) Inventor: KNEALE, Timothy, Michael Clinton, IA 52732 (US) (74) Representative: Abitz, Walter, Dr.-Ing., et al  Patentanwälte Abitz & Partner, Poschingerstrasse 6 D-81679 München D-81679 München (DE)