(19)

(11)

EP 1 996 632 A2

(12)

(88) Date of publication A3: 18.09.2008 (43) Date of publication: 03.12.2008 Bulletin 2008/49 (21) Application number: 07753329.7 (22) Date of filing: 16.03.2007

(51) International Patent Classification (IPC):  C08F 279/02(2006.01) B01J 19/18(2006.01) C08L 51/04(2006.01) (86) International application number: PCT/US2007/006694 (87) International publication number: WO 2007/109167 (27.09.2007 Gazette 2007/39)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 20.03.2006 US 384737 (71) Applicant: FINA TECHNOLOGY, INC. Houston, Texas 77267-4412 (US)	(72) Inventors: BERTI, Doug Houston, TX 77062 (US) REIMERS, Jay Houston, TX 77006 (US) NGUYEN, Thanh Sugar Land, TX 77478 (US) GRIFFITH, Aron League City, TX 77573 (US) (74) Representative: Neel, Henry et al Total Petrochemicals Research Feluy Zone Industrielle C 7181 Seneffe (Feluy) 7181 Seneffe (Feluy) (BE)