(19)

(11)

EP 1 409 559 A2

(12)

(88) Date of publication A3: 26.02.2004 (43) Date of publication: 21.04.2004 Bulletin 2004/17 (21) Application number: 02709086.9 (22) Date of filing: 18.01.2002

(51) International Patent Classification (IPC)7: C08F 20/10 (86) International application number: PCT/US2002/001471 (87) International publication number: WO 2002/057354 (25.07.2002 Gazette 2002/30)

(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: 19.01.2001 US 263002 P (71) Applicant: Exxonmobil Chemical Patents Inc. Baytown, TX 77520-2101 (US)	(72) Inventor: DOMINE, Joseph, D. Humble, TX 77346-2148 (US) (74) Representative: Veldhuizen, Albert Dirk Willem et al ExxonMobil Chemical Europe Inc.Law TechnologyP.O. Box 105 1830 Machelen 1830 Machelen (BE)