(19)

(11)

EP 0 900 140 A1

(12)

(43) Date of publication: 10.03.1999 Bulletin 1999/10 (21) Application number: 97921464.0 (22) Date of filing: 16.04.1997

(51) International Patent Classification (IPC):  B32B 27/ 30( . ) B29C 47/ 06( . ) B32B 27/ 08( . ) (86) International application number: PCT/US1997/007290 (87) International publication number: WO 1997/039890 (30.10.1997 Gazette 1997/46)

(84) Designated Contracting States: DE FR GB IT NL (30) Priority: 19.04.1996 US 19960015635P 15.04.1997 US 19970839246 (71) Applicant: E.I. DU PONT DE NEMOURS AND COMPANY Wilmington Delaware 19898 (US)	(72) Inventors: JENEWEIN, Hermann, Joseph, Klaus D-48159 Muester (DE) LEVY, Daniel, Natan CH-1239 Collex (CH) (74) Representative: Matthews, Derek Peter, et al  Frank B. Dehn & Co., European Patent Attorneys, 179 Queen Victoria Street London EC4V 4EL London EC4V 4EL (GB)