(19)

(11)

EP 0 754 198 A1

(12)

(43) Date of publication: 22.01.1997 Bulletin 1997/04 (21) Application number: 96905350.0 (22) Date of filing: 22.01.1996

(51) International Patent Classification (IPC):  C08F 4/ 08( . ) C08F 20/ 00( . ) C08F 4/ 10( . ) C08F 20/ 12( . ) (86) International application number: PCT/US1996/001468 (87) International publication number: WO 1996/023008 (01.08.1996 Gazette 1996/35)

(84) Designated Contracting States: BE DE FR GB (30) Priority: 27.01.1995 US 19950378978 (71) Applicant: TEXACO DEVELOPMENT CORPORATION White Plains, New York 10650 (US)	(72) Inventors: MISHRA, Munmaya, Kumar Wappingers Falls, NY 12590 (US) SHIRODKAR, Shailaja, Madhusudhan Wappingers Falls, NY 12590 (US) JUNG, Alfred, Karl Millwood, NY 10546 (US) (74) Representative: Berg, Sven Anders  H. Albihns Patentbyra AB, Box 3137 103 62 Stockholm 103 62 Stockholm (SE)