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EP 1 334 165 A1

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(43) Date of publication: 13.08.2003 Bulletin 2003/33 (21) Application number: 01964246.1 (22) Date of filing: 21.08.2001

(51) International Patent Classification (IPC)7: C10G 25/02, C10G 25/12, C10G 29/00, C10G 29/04, C10G 29/16, B01J 20/06, B01J 20/08, B01J 20/10, B01J 20/12, B01J 20/30, B01J 20/34 (86) International application number: PCT/US0126/062 (87) International publication number: WO 0201/8517 (07.03.2002 Gazette 2002/10)

(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: 31.08.2000 US 653131 (71) Applicant: Conoco Phillips Company Houston, TX 77079 (US)	(72) Inventors: KHARE, Gyanesh, P. Kingwood, TX 77346-3309 (US) ENGELBERT, Donald, R. Copan, OK 74022 (US) (74) Representative: Ricker, Mathias, Dr.  Jones Day,Rechtsanwälte,Attorneys-at-Law,Patentanwälte,Prinzregentenstrasse 56 80538 München 80538 München (DE)