(19)

(11)

EP 0 739 405 A1

(12)

(43) Date of publication: 30.10.1996 Bulletin 1996/44 (21) Application number: 95907404.0 (22) Date of filing: 11.01.1995

(51) International Patent Classification (IPC):  C10M 141/ 10( . ) C10N 10/ 02( . ) C10N 30/ 06( . ) C10M 159/ 12( . ) C10N 10/ 04( . ) C10N 50/ 10( . ) (86) International application number: PCT/US1995/000424 (87) International publication number: WO 1995/019411 (20.07.1995 Gazette 1995/31)

(84) Designated Contracting States: AT BE DE ES FR GB GR IT NL (30) Priority: 13.01.1994 US 19940181135 (71) Applicant: MOBIL OIL CORPORATION Fairfax, Virginia 22037-0001 (US)	(72) Inventors: DONER, John, Phillips Sewell, NJ 08080-1841 (US) FARNG, Liehpao, Oscar Lawrenceville, NJ 08648-1438 (US) (74) Representative: Colmer, Stephen Gary, et al  Mobil Services Company Limited, Office of Legal Counsel, European IP Group, Mobil Court, 3 Clements Inn London WC2A 2EB London WC2A 2EB (GB)