(19)

(11)

EP 1 414 933 A2

(12)

(88) Date of publication A3: 30.10.2003 (43) Date of publication: 06.05.2004 Bulletin 2004/19 (21) Application number: 02742048.8 (22) Date of filing: 14.06.2002

(51) International Patent Classification (IPC)7: C10L 1/22, C10L 1/14, C10L 10/00 (86) International application number: PCT/US2002/018749 (87) International publication number: WO 2003/014267 (20.02.2003 Gazette 2003/08)

(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 (30) Priority: 07.08.2001 US 924027 (71) Applicant: THE LUBRIZOL CORPORATION Wickliffe,Ohio 44092-2298 (US)	(72) Inventors: JACKSON, Mitchell, M. Chagrin Falls, OH 44022 (US) ARTERS, David, C. Solon, OH 44139 (US) (74) Representative: Mallalieu, Catherine Louise et al D. Young & Co.,21 New Fetter Lane London EC4A 1DA London EC4A 1DA (GB)