(19)

(11)

EP 0 809 572 A1

(12)

(43) Date of publication: 03.12.1997 Bulletin 1997/49 (21) Application number: 96906379.0 (22) Date of filing: 14.02.1996

(51) International Patent Classification (IPC):  B32B 15/ 085( . ) B32B 27/ 32( . ) B32B 27/ 08( . ) (86) International application number: PCT/US1996/001864 (87) International publication number: WO 1996/025292 (22.08.1996 Gazette 1996/38)

(84) Designated Contracting States: AT BE CH DE ES FR GB IT LI NL SE (30) Priority: 17.02.1995 US 19950389998 (71) Applicant: THE DOW CHEMICAL COMPANY Midland, Michigan 48674 (US)	(72) Inventors: KELCH, Robert, H. Granville, OH 43023 (US) STEVENS, Bradley, Day Frazeysburg, OH 43822 (US) FIERO, Terry, H. Newark, OH 43055 (US) (74) Representative: Sternagel, Hans-Günther, Dr.  Patentanwälte Sternagel & Fleischer Braunsberger Feld 29 51429 Bergisch Gladbach 51429 Bergisch Gladbach (DE)