(19)

(11)

EP 0 804 560 A1

(12)

(43) Date of publication: 05.11.1997 Bulletin 1997/45 (21) Application number: 96901375.0 (22) Date of filing: 07.02.1996

(51) International Patent Classification (IPC):  C12N 9/ 92( . ) C12P 7/ 10( . ) C12N 15/ 61( . ) (86) International application number: PCT/FI1996/000070 (87) International publication number: WO 1996/024667 (15.08.1996 Gazette 1996/37)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 08.02.1995 GB 19950002413 (71) Applicant: PRIMALCO ltd. 05200 Rajamäki (FI)	(72) Inventors: SUOMALAINEN, Irma 00170 Helsinki (FI) AHO, Sirpa Cherry Hill, NJ 08006 (US) SAARELAINEN, Ritva Marina del Ray, CA 90292 (US) KRISTO, Paulo 02360 Espoo (FI) (74) Representative: Lönnqvist, Gunnel Solveig Kristina, et al  Borenius & Co Oy Ab, Kansakoulukuja 3 00100 Helsinki 00100 Helsinki (FI)