(19)

(11)

EP 1 190 018 A1

(12)

(43) Date of publication: 27.03.2002 Bulletin 2002/13 (21) Application number: 00940512.7 (22) Date of filing: 12.06.2000

(51) International Patent Classification (IPC)7: C10G 45/02 (86) International application number: PCT/GB0002/264 (87) International publication number: WO 0077/126 (21.12.2000 Gazette 2000/51)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 14.06.1999 GB 9913767 (71) Applicant: BP OIL INTERNATIONAL LIMITED London EC2M 7BA (GB)	(72) Inventor: HOLDER, Keith Adrian Lightwater,Surrey GU18 5XH (GB) (74) Representative: Collins, Frances Mary  BP International Limited,Group Patents and Agreements,Chertsey Road Sunbury-on-Thames,Middlesex TW16 7LN Sunbury-on-Thames,Middlesex TW16 7LN (GB)