(19)

(11)

EP 0 984 992 A1

(12)

(43) Date of publication: 15.03.2000 Bulletin 2000/11 (21) Application number: 98909089.9 (22) Date of filing: 10.03.1998

(51) International Patent Classification (IPC)7: C08F 212/08, C08J 5/18 (86) International application number: PCT/US9804/676 (87) International publication number: WO 9854/236 (03.12.1998 Gazette 1998/48)

(84) Designated Contracting States: BE DE ES FR GB IT NL (30) Priority: 30.05.1997 US 48072 P (71) Applicant: THE DOW CHEMICAL COMPANY Midland, Michigan 48674 (US)	(72) Inventors: HUANG, Yi-Bin Midland, MI 48640 (US) CHAHL, Mark, S. D-06254 Masslau (DE) WU, Shaofu Missouri City, TX 77459 (US) VOSSEN, Roel, H. NL-4561 VM Hulst (NL) WESSEL, Thomas, E. Midland, MI 48642 (US) (74) Representative: Raynor, John et al W.H. Beck, Greener & Co7 Stone BuildingsLincoln's Inn London WC2A 3SZ London WC2A 3SZ (GB)