(19)

(11)

EP 1 689 836 A1

(12)

(43) Date of publication: 16.08.2006 Bulletin 2006/33 (21) Application number: 04812578.5 (22) Date of filing: 01.12.2004

(51) International Patent Classification (IPC):  C10G 67/08(2006.01) C10G 17/06(2006.01) C10G 67/14(2006.01) (86) International application number: PCT/US2004/040091 (87) International publication number: WO 2005/056730 (23.06.2005 Gazette 2005/25)

(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 MC NL PL PT RO SE SI SK TR (30) Priority: 05.12.2003 US 527213 P (71) Applicant: ExxonMobil Research and Engineering Company Annandale, NJ 08801-0900 (US)	(72) Inventors: GREANEY,Mark, A. Upper Black Eddy, PA 18972 (US) LETA, Daniel, P. Flemington, NJ 08822 (US) WRIGHT, Chris, A. Easton, PA 18045 (US) (74) Representative: Pols, Ronald Maarten et al ExxonMobil Chemical Europe Inc., PO Box 105 1830 Machelen 1830 Machelen (BE)