(19)

(11)

EP 1 121 385 A1

(12)

(43) Date of publication: 08.08.2001 Bulletin 2001/32 (21) Application number: 99970405.9 (22) Date of filing: 23.09.1999

(51) International Patent Classification (IPC)7: C08F 210/18, C08L 23/16, F16G 5/00 (86) International application number: PCT/US9922/091 (87) International publication number: WO 0022/015 (20.04.2000 Gazette 2000/16)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 09.10.1998 US 103750 P (71) Applicant: ExxonMobil Chemical Patents Inc. Baytown, TX 77520-5200 (US)	(72) Inventors: LIOTTA, Ron Kingwood, TX 77345 (US) RAVISHANKAR, Periagaram, S. Kingwood, TX 77345 (US) (74) Representative: Veldhuizen, Albert Dirk Willem  Exxon Chemical Europe Inc.,P.O.Box 105 1830 Machelen 1830 Machelen (BE)