(19)

(11)

EP 0 547 091 A1

(12)

(43) Date of publication: 23.06.1993 Bulletin 1993/25 (21) Application number: 91915369.0 (22) Date of filing: 21.08.1991

(51) International Patent Classification (IPC):  C08F 12/ 16( . ) C08F 20/ 18( . ) C08F 220/ 10( . ) C08L 33/ 00( . ) C08L 33/ 14( . ) C09D 125/ 18( . ) C09D 133/ 04( . ) C08F 12/ 00( . ) C08F 212/ 14( . ) C08L 25/ 14( . ) C08L 33/ 04( . ) C09D 125/ 00( . ) C09D 133/ 00( . ) (86) International application number: PCT/US1991/005985 (87) International publication number: WO 1992/004387 (19.03.1992 Gazette 1992/07)

(84) Designated Contracting States: AT BE CH DE ES FR GB GR IT LI NL (30) Priority: 06.09.1990 US 19900579063 (71) Applicant: GREAT LAKES CHEMICAL CORPORATION West Lafayette Indiana 47906 (US)	(72) Inventors: WANG, Jin-liang Lafayette, IN 47905 (US) FAVSTRITSKY, Nicolai, A. Lafayette, IN 47905 (US) ROSE, Richard, S. West Lafayette, IN 47906 (US) (74) Representative: Atkinson, Peter Birch  Marks & Clerk Suite 301 Sunlight House Quay Street Manchester M3 3JY Manchester M3 3JY (GB)