(19)

(11)

EP 1 163 475 A1

(12)

(43) Date of publication: 19.12.2001 Bulletin 2001/51 (21) Application number: 00919437.4 (22) Date of filing: 17.03.2000

(51) International Patent Classification (IPC)7: F23D 14/68, C10G 9/28 (86) International application number: PCT/US0007/022 (87) International publication number: WO 0055/543 (21.09.2000 Gazette 2000/38)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 18.03.1999 US 271813 09.03.2000 US 522210 (71) Applicant: ExxonMobil Research and Engineering Company Florham Park, New Jersey 07932-0390 (US)	(72) Inventor: ITO, Jackson, I. Sacramento, CA 95826 (US) (74) Representative: Troch, Geneviève et al ExxonMobil Chemical Europe Inc., P.O. Box 105 1830 Machelen 1830 Machelen (BE)