(19)

(11)

EP 1 370 628 A1

(12)

(43) Date of publication: 17.12.2003 Bulletin 2003/51 (21) Application number: 01918852.3 (22) Date of filing: 20.03.2001

(51) International Patent Classification (IPC)7: C10G 65/12, C10G 65/10 (86) International application number: PCT/US0108/880 (87) International publication number: WO 0207/4882 (26.09.2002 Gazette 2002/39)

(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 (71) Applicant: UOP LLC Des Plaines, IL 60017-5017 (US)	(72) Inventors: THAKKAR, Vasant, P. Des Plaines, IL 60017-5017 (US) ELLIG, Daniel, L. Des Plaines, IL 60017-5017 (US) (74) Representative: Hayes, Adrian Chetwynd et al J.A. KEMP & CO.14 South SquareGray's Inn London WC1R 5LX London WC1R 5LX (GB)