(19)

(11)

EP 0 477 321 A1

(12)

(43) Date of publication: 01.04.1992 Bulletin 1992/14 (21) Application number: 91906966.0 (22) Date of filing: 11.04.1991

(51) International Patent Classification (IPC):  B01F 9/ 00( . ) C05F 17/ 00( . ) B01F 13/ 00( . ) C05F 17/ 02( . ) (86) International application number: PCT/FI1991/000109 (87) International publication number: WO 1991/016282 (31.10.1991 Gazette 1991/25)

(84) Designated Contracting States: BE DE DK ES FR GB IT NL SE (30) Priority: 12.04.1990 FI 19900001854 (71) Applicant: BIODATA OY SF-00370 Helsinki (FI)	(72) Inventor: SUOMINEN, Hannu, L. SF-01280 Vantaa (FI) (74) Representative: Bühling, Gerhard, Dipl.-Chem., et al  Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4 D-80336 München D-80336 München (DE)