(19)

(11)

EP 0 719 313 A1

(12)

(43) Date of publication: 03.07.1996 Bulletin 1996/27 (21) Application number: 94928344.0 (22) Date of filing: 13.09.1994

(51) International Patent Classification (IPC):  C10M 141/ 08( . ) C10N 10/ 12( . ) C10N 40/ 25( . ) C10M 141/ 12( . ) C10N 30/ 10( . ) F02B 1/ 04( . ) (86) International application number: PCT/EP1994/003064 (87) International publication number: WO 1995/007963 (23.03.1995 Gazette 1995/13)

(84) Designated Contracting States: BE DE ES FR GB IT NL (30) Priority: 13.09.1993 US 19930120712 (71) Applicant: EXXON CHEMICAL PATENTS INC. Linden, New Jersey 07036-0710 (US)	(72) Inventor: SHAUB, Harold Houston, TX 77043 (US) (74) Representative: Mansell, Keith Rodney, et al  Exxon Chemical Limited European Patents and Licences Exxon Chemical Technology Centre P O Box 1 GB-Abingdon, Oxfordshire OX13 6BB GB-Abingdon, Oxfordshire OX13 6BB (GB)