(19)

(11)

EP 1 377 654 A2

(12)

(88) Date of publication A3: 27.02.2003 (43) Date of publication: 07.01.2004 Bulletin 2004/02 (21) Application number: 02763905.3 (22) Date of filing: 03.04.2002

(51) International Patent Classification (IPC)7: C10J 3/08, C02F 9/00, C10J 3/46 (86) International application number: PCT/US2002/010331 (87) International publication number: WO 2002/081600 (17.10.2002 Gazette 2002/42)

(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: 06.04.2001 US 282242 P (71) Applicant: TEXACO DEVELOPMENT CORPORATION White Plains,New York 10650 (US)	(72) Inventors: TSE, Daniel, W. Houston, TX 77004 (US) HWAN, Judy, R. Sugarland, TX 77479 (US) SEUFERT, Frederick, B. Houston, TX 77069 (US) (74) Representative: Nash, David Allan  Haseltine Lake & Co.,Imperial House, 15-19 Kingsway London WC2B 6UD London WC2B 6UD (GB)