(19)

(11)

EP 0 544 707 A1

(12)

(43) Date of publication: 09.06.1993 Bulletin 1993/23 (21) Application number: 91914179.0 (22) Date of filing: 12.08.1991

(51) International Patent Classification (IPC):  C12N 1/ 21( . ) C12N 15/ 56( . ) C12R 1/ 07( . ) C12N 9/ 28( . ) C12N 15/ 75( . ) C12R 1/ 125( . ) (86) International application number: PCT/FI1991/000244 (87) International publication number: WO 1992/003561 (05.03.1992 Gazette 1992/06)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 13.08.1990 US 19900565847 (71) Applicant: ALKO LIMITED SF-00180 Helsinki (FI)	(72) Inventors: PALVA, Ilkka, A. SF-00660 Helsinki (FI) PALVA, Airi, M SF-00660 Helsinki (FI) (74) Representative: VOSSIUS & PARTNER  Postfach 86 07 67 D-81634 München D-81634 München (DE)