(19)

(11)

EP 1 159 312 A2

(12)

(88) Date of publication A3: 19.10.2000 (43) Date of publication: 05.12.2001 Bulletin 2001/49 (21) Application number: 99960609.8 (22) Date of filing: 29.11.1999

(51) International Patent Classification (IPC)7: C08F 10/00, C08F 2/38, C08F 2/40, C08F 2/42 (86) International application number: PCT/US9928/212 (87) International publication number: WO 0035/969 (22.06.2000 Gazette 2000/25)

(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: 17.12.1998 US 215432 09.09.1999 US 392421 09.09.1999 US 392417 (71) Applicant: Univation Technologies LLC Houston, TX 77056 (US)

(72) Inventors: WENZEL, Timothy, T. Charleston, WV 25302 (US) NAGAKI, Dick, A. South Charleston, WV 25303 (US) MAWSON, Simon Charleston, WV 25314 (US) SCHRECK, David, James Cross Lanes, WV 25313 (US) PETERSON, Thomas, H. Charleston, WV 25314 (US) (74) Representative: Ricker, Mathias, Dr.Dipl.-Chem. et al Bardehle-Pagenberg-Dost-Altenburg-Geissler, Isenbruck,Galileiplatz 1 81679 München 81679 München (DE)