(19)

(11)

EP 1 493 099 A2

(12)

(88) Date of publication A3: 25.03.2004 (43) Date of publication: 05.01.2005 Bulletin 2005/01 (21) Application number: 03723920.9 (22) Date of filing: 07.04.2003

(51) International Patent Classification (IPC)7: G06F 17/16 (86) International application number: PCT/US2003/010577 (87) International publication number: WO 2003/088078 (23.10.2003 Gazette 2003/43)

(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 PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 08.04.2002 US 370244 P 04.04.2003 US 407367 (71) Applicant: ExxonMobil Research and Engineering Company Annandale, NJ 08801-0900 (US)	(72) Inventors: GIORDANO, Joseph, A. Centreville, VA 20120 (US) MURRAY, Jack, B, Jr. Fairfax, VA 22031 (US) (74) Representative: Troch, Geneviève et al ExxonMobil Chemical Europe Inc.,P.O. Box 105 1830 Machelen 1830 Machelen (BE)