(19)

(11)

EP 0 422 019 A1

(12)

(43) Date of publication: 17.04.1991 Bulletin 1991/16 (21) Application number: 89905983.0 (22) Date of filing: 28.04.1989

(51) International Patent Classification (IPC):  C10M 105/ 04( . ) C07B 61/ 00( . ) C07C 9/ 22( . ) C08F 4/ 69( . ) C08F 10/ 14( . ) C10M 107/ 10( . ) C10N 20/ 00( . ) C10N 30/ 02( . ) C10N 70/ 00( . ) B01J 31/ 04( . ) C07C 2/ 24( . ) C08F 4/ 24( . ) C08F 10/ 00( . ) C10G 50/ 02( . ) C10M 107/ 42( . ) C10N 20/ 04( . ) C10N 40/ 04( . ) (86) International application number: PCT/US1989/001843 (87) International publication number: WO 1989/012662 (28.12.1989 Gazette 1989/30)

(84) Designated Contracting States: AT BE DE ES FR GB IT NL SE (30) Priority: 23.06.1988 US 19880210434 23.06.1988 US 19880210435 (71) Applicant: MOBIL OIL CORPORATION New York New York 10017 (US)	(72) Inventor: WU, Margaret, May-Som Belle Mead, NJ 08502 (US) (74) Representative: Colmer, Stephen Gary, et al  European Office of Patent Counsel Mobil House 500-600 Witan Gate Central Milton Keynes Buckinghamshire MK9 1ES Central Milton Keynes Buckinghamshire MK9 1ES (GB)