(19)

(11)

EP 0 686 182 A1

(12)

(43) Date of publication: 13.12.1995 Bulletin 1995/50 (21) Application number: 94909061.0 (22) Date of filing: 24.02.1994

(51) International Patent Classification (IPC):  C10L 1/ 02( . ) C10L 1/ 22( . ) C10L 1/ 232( . ) C10L 1/ 16( . ) C10L 1/ 14( . ) C10L 1/ 224( . ) C10L 1/ 28( . ) C10L 1/ 18( . ) (86) International application number: PCT/EP1994/000550 (87) International publication number: WO 1994/019430 (01.09.1994 Gazette 1994/20)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 26.02.1993 GB 19930003924 (71) Applicant: EXXON CHEMICAL PATENTS INC. Florham Park New Jersey 07932 (US)	(72) Inventors: DAVIES, Brian, William Blewbury Oxfordshire OX11 9PD (GB) LOMBARDI, Alessandro Abingdon Oxfordshire OX13 5QF (GB) (74) Representative: Bawden, Peter Charles, et al  EXXON CHEMICAL LIMITED Exxon Chemical Technology Centre PO Box 1 Abingdon Oxfordshire OX13 6BB Abingdon Oxfordshire OX13 6BB (GB)