(19)

(11)

EP 1 349 906 A1

(12)

(43) Date of publication: 08.10.2003 Bulletin 2003/41 (21) Application number: 01994230.9 (22) Date of filing: 30.11.2001

(51) International Patent Classification (IPC)7: C10G 47/12, C10G 65/02, C10G 45/06, C10G 45/08 (86) International application number: PCT/US0148/202 (87) International publication number: WO 0205/9235 (01.08.2002 Gazette 2002/31)

(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: 15.12.2000 US 746540 (71) Applicant: ExxonMobil Research and Engineering Company Annandale, NJ 08801-0900 (US)

(72) Inventors: HOU, Zhiguo Baton Rouge, LA 70810 (US) BEARDEN, Roby, Jr. Baton Rouge, LA 70808 (US) RILEY, Kenneth, L. Baton Rouge, LA 70808 (US) SABOTTKE, Craig, Y. Baton Rouge, LA 70816 (US) FERRUGHELLI, David, T. Flemington, NJ 08822 (US) GORBATY, Martin, L. Westfield, NJ 07974 (US) OLMSTEAD, William, N. Murray Hill, NJ 07974 (US) (74) Representative: Troch, Geneviève et al ExxonMobil Chemical Europe Inc.,P.O. Box 105 1830 Machelen 1830 Machelen (BE)