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(11)

EP 1 309 668 A1

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(43) Date of publication: 14.05.2003 Bulletin 2003/20 (21) Application number: 00937657.5 (22) Date of filing: 22.05.2000

(51) International Patent Classification (IPC)7: C10M 175/00, C10M 175/02, C10G 33/00 (86) International application number: PCT/US0013/990 (87) International publication number: WO 0109/0283 (29.11.2001 Gazette 2001/48)

(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 (71) Applicants: Marathon Ashland Petroleum LLC Findlay, OH 45840-3295 (US) Moore, Howard F. Ashland, KY 41102 (US) Malone, Donald P. Grayson, KY 41143 (US)	(72) Inventors: MOORE, Howard, F. Ashland, KY 41102 (US) MALONE, Donald, P. Grayson, KY 41143 (US) (74) Representative: Modiano, Guido, Dr.-Ing. et al Modiano, Josif, Pisanty & Staub,Baaderstrasse 3 80469 München 80469 München (DE)