(19)

(11)

EP 1 383 852 A1

(12)

(43) Date of publication: 28.01.2004 Bulletin 2004/05 (21) Application number: 01918116.3 (22) Date of filing: 02.04.2001

(51) International Patent Classification (IPC)7: C10M 169/04, C10M 105/32, C10M 129/68 (86) International application number: PCT/SE2001/000710 (87) International publication number: WO 2002/079361 (10.10.2002 Gazette 2002/41)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (71) Applicant: Svenska Statoil AB 118 88 Stockholm (SE)	(72) Inventor: GANEMI, Bager S-148 33 Ösmo (SE) (74) Representative: Larsson, Kjell  AWAPATENT AB,Box 45086 104 30 Stockholm 104 30 Stockholm (SE)