(19)

(11)

EP 1 274 811 A2

(12)

(88) Date of publication A3: 04.07.2002 (43) Date of publication: 15.01.2003 Bulletin 2003/03 (21) Application number: 01920849.5 (22) Date of filing: 28.03.2001

(51) International Patent Classification (IPC)7: C10G 19/02, C10G 19/04, C10G 27/06 (86) International application number: PCT/US0110/006 (87) International publication number: WO 0107/9385 (25.10.2001 Gazette 2001/43)

(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: 18.04.2000 US 551657 (71) Applicant: ExxonMobil Research and Engineering Company Annandale, NJ 08801-0900 (US)	(72) Inventors: GREANEY, Mark, Alan Upper Black Eddy, PA 18972 (US) REBICK, Charles Annandale, NJ 08801 (US) (74) Representative: Troch, Geneviève et al ExxonMobil Chemical Europe Inc.,P.O. Box 105 1830 Machelen 1830 Machelen (BE)