(19)

(11)

EP 1 088 048 A1

(12)

(43) Date of publication: 04.04.2001 Bulletin 2001/14 (21) Application number: 00919560.3 (22) Date of filing: 23.03.2000

(51) International Patent Classification (IPC)7: C10M 141/02 // (C10M141/02, 125:10, 125:22, 125:26), C10M129:93,(C10N30/00, 40:04) (86) International application number: PCT/US0007/699 (87) International publication number: WO 0063/324 (26.10.2000 Gazette 2000/43)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 15.04.1999 US 292627 (71) Applicant: Chevron Oronite Company LLC San Ramon, CA 94583-4289 (US)	(72) Inventor: HARRISON, James, J. Novato, CA 94947 (US) (74) Representative: Nash, David Allan  Haseltine Lake & Co.,Imperial House,15-19 Kingsway London WC2B 6UD London WC2B 6UD (GB)