(19)

(11)

EP 1 673 166 A1

(12)

(43) Date of publication: 28.06.2006 Bulletin 2006/26 (21) Application number: 04783311.6 (22) Date of filing: 07.09.2004

(51) International Patent Classification (IPC):  B01J 31/00(1995.01) C08F 4/60(1974.07) C08F 4/02(1974.07) (86) International application number: PCT/US2004/029019 (87) International publication number: WO 2005/032714 (14.04.2005 Gazette 2005/15)

(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 PL PT RO SE SI SK TR (30) Priority: 22.09.2003 US 667578 22.09.2003 US 667546 15.10.2003 US 685643 (71) Applicant: FINA TECHNOLOGY, INC. Houston, Texas 77267-4412 (US)	(72) Inventors: KNOEPPEL, David, W. League City, TX 77573 (US) COFFY, Tim, J. Houston, TX 77059 (US) ENRIQUEZ, Henry Pearland, TX 77581 (US) GRAY, Steven Houston, TX 77081 (US) VIZZINI, Kayo Pasadena, TX 77505 (US) (74) Representative: Leyder, Francis  Total Petrochemicals Research Feluy Zone Industrielle C 7181 Seneffe (Feluy) 7181 Seneffe (Feluy) (BE)