(19)

(11)

EP 0 946 686 A1

(12)

(43) Date of publication: 06.10.1999 Bulletin 1999/40 (21) Application number: 96934644.0 (22) Date of filing: 11.10.1996

(51) International Patent Classification (IPC):  C10L 1/ 14( . ) C10L 10/ 00( . ) C10L 1/ 18( . ) C10L 1/ 30( . ) C10L 1/ 24( . ) C10L 1/ 16( . ) C10L 1/ 22( . ) (86) International application number: PCT/EP1996/004431 (87) International publication number: WO 1998/016602 (23.04.1998 Gazette 1998/16)

(84) Designated Contracting States: BE CH DE ES FI FR GB IT LI NL PT (71) Applicant: Infineum Holdings BV 2596 HR Den Haag (NL)	(72) Inventor: EDWARDS, Charles, Lee Houston, TX 77077 (US) (74) Representative: Hart, Richard Joseph, et al  Infineum UK Ltd, Law Department, Milton Hill, PO Box 1 Abingdon, Oxfordshire OX13 6BB Abingdon, Oxfordshire OX13 6BB (GB)