(19)

(11)

EP 1 159 303 A1

(12)

(43) Date of publication: 05.12.2001 Bulletin 2001/49 (21) Application number: 99971430.6 (22) Date of filing: 04.11.1999

(51) International Patent Classification (IPC)7: C08F 2/00 (86) International application number: PCT/FI9900/919 (87) International publication number: WO 0026/258 (11.05.2000 Gazette 2000/19)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 04.11.1998 FI 982388 (71) Applicant: Borealis Technology Oy 06101 Porvoo (FI)	(72) Inventors: TUOMAINEN, Jorma DI deceased (FI) ALI-HOKKA, Seppo FIN-06850 Kulloo (FI) NYFORS, Klaus FIN-06150 Porvoo (FI) (74) Representative: Heikkinen, Esko Juhani  Berggren Oy AbP.O. Box 16 00101 Helsinki 00101 Helsinki (FI)