(19)

(11)

EP 0 677 033 A1

(12)

(43) Date of publication: 18.10.1995 Bulletin 1995/42 (21) Application number: 94901976.0 (22) Date of filing: 15.12.1993

(51) International Patent Classification (IPC):  B01J 31/ 02( . ) C07B 61/ 00( . ) C07C 11/ 02( . ) C10G 50/ 02( . ) B01J 31/ 04( . ) C07C 2/ 20( . ) C10G 50/ 00( . ) (86) International application number: PCT/FI1993/000540 (87) International publication number: WO 1994/015895 (21.07.1994 Gazette 1994/17)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI NL PT SE (30) Priority: 31.12.1992 FI 19920005969 (71) Applicant: NESTE OY FIN-02150 Espoo (FI)	(72) Inventors: KAPANEN, Mika FIN-06400 Porvoo (FI) HALME, Erkki FIN-00660 Helsinki (FI) KOSKIMIES, Salme FIN-00850 Helsinki (FI) (74) Representative: Claeys, Pierre, et al  GEVERS Patents, Brussels Airport Business Park, Holidaystraat 5 B-1831 Diegem B-1831 Diegem (BE)