(19)

(11)

EP 1 954 785 A1

(12)

(43) Date of publication: 13.08.2008 Bulletin 2008/33 (21) Application number: 06827807.6 (22) Date of filing: 14.11.2006

(51) International Patent Classification (IPC):  C10G 45/00(2006.01) (86) International application number: PCT/US2006/044231 (87) International publication number: WO 2007/061701 (31.05.2007 Gazette 2007/22)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 23.11.2005 US 286580 (71) Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY Annandale, NJ 08801-0900 (US)

(72) Inventors: GREELEY, John, Peter Annandale, NJ 08801 (US) ELLIS, Edward, Stanley Basking Ridge, NJ 07920 (US) HALBERT, Thomas, Risher Baton Rouge, LA 70816 (US) TRACY, William, Joseph, III Burke, VA 22015 (US) DYSARD, Jeffrey, M. Michigan City, IN 46360 (US) (74) Representative: Pols, Ronald Maarten  ExxonMobil Chemical Europe Inc. IP Law Shared Services P.O. Box 105 Hermeslaan 2 1831 Machelen 1831 Machelen (BE)