(19)

(11)

EP 0 973 852 A1

(12)

(43) Date of publication: 26.01.2000 Bulletin 2000/04 (21) Application number: 98913779.9 (22) Date of filing: 08.04.1998

(51) International Patent Classification (IPC)7: C10M 105/42 (86) International application number: PCT/FI9800/312 (87) International publication number: WO 9846/705 (22.10.1998 Gazette 1998/42)

(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: LT LV (30) Priority: 11.04.1997 FI 971548 (71) Applicant: Neste Chemicals Oy 02150 Espoo (FI)	(72) Inventors: ANKNER, Kjell S-435 43 Mölnlycke (SE) GLAD, Essi FIN-06450 Porvoo (FI) AALTO, Mikko FIN-01200 Vantaa (FI) SARANPÄÄ, Virpi FIN-00120 Helsinki (FI) (74) Representative: Sundman, Christoffer et al Seppo Laine Oy,Itämerenkatu 3 B 00180 Helsinki 00180 Helsinki (FI)