(19)

(11)

EP 1 654 340 A1

(12)

(43) Date of publication: 10.05.2006 Bulletin 2006/19 (21) Application number: 04754760.9 (22) Date of filing: 04.06.2004

(51) International Patent Classification (IPC):  C10G 11/18(1968.09) (86) International application number: PCT/US2004/018242 (87) International publication number: WO 2005/005578 (20.01.2005 Gazette 2005/03)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 24.06.2003 US 482037 P (71) Applicant: ExxonMobil Research and Engineering Company Annandale, NJ 08801-0900 (US)	(72) Inventors: MCGREGOR, Duane, R. Gainesville, VA 20155 (US) GUERRA, James, O. Fairfax, VA 22031-1339 (US) (74) Representative: Pols, Ronald Maarten  ExxonMobil Chemical Europe Inc., PO Box 105 1830 Machelen 1830 Machelen (BE)