(19)

(11)

EP 0 643 742 A1

(12)

(43) Date of publication: 22.03.1995 Bulletin 1995/12 (21) Application number: 93914397.0 (22) Date of filing: 04.06.1993

(51) International Patent Classification (IPC):  C08L 23/ 08( . ) C08L 23/ 26( . ) C08L 33/ 04( . ) C08L 51/ 06( . ) B32B 27/ 08( . ) C08L 29/ 04( . ) C08L 51/ 00( . ) (86) International application number: PCT/US1993/005363 (87) International publication number: WO 1993/025617 (23.12.1993 Gazette 1993/30)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 05.06.1992 US 19920893875 (71) Applicant: THE DOW CHEMICAL COMPANY Midland, Michigan 48640 (US)	(72) Inventor: HWANG, Yuh-Chin Clute, TX 77531 (US) (74) Representative: Huber, Bernhard, Dipl.-Chem., et al  Patentanwälte H. Weickmann, Dr. K. Fincke F.A. Weickmann, B. Huber Dr. H. Liska, Dr. J. Prechtel, Dr. B. Böhm, Kopernikusstrasse 9 D-81679 München D-81679 München (DE)