(19)

(11)

EP 0 646 245 A1

(12)

(43) Date of publication: 05.04.1995 Bulletin 1995/14 (21) Application number: 93912680.0 (22) Date of filing: 03.06.1993

(51) International Patent Classification (IPC):  B01L 3/ 14( . ) G01N 35/ 10( . ) G01N 35/ 04( . ) G01N 35/ 00( . ) G01N 35/ 02( . ) (86) International application number: PCT/DK1993/000195 (87) International publication number: WO 1993/025913 (23.12.1993 Gazette 1993/30)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI NL PT SE (30) Priority: 03.06.1992 DK 19920000746 (71) Applicant: Foss Electric A/S DK-3400 Hilleroed (DK)	(72) Inventors: JORGENSEN, Henry DK-3400 Hillerod (DK) NIELSEN, Axel, Gronlund DK-4300 Holbaek (DK) ANDERSEN, Soren, Vindahl DK-2860 Soborg (DK) DALSGAARD, Jorgen DK-2765 Smorumnedre (DK) SIE, Gunner DK-2100 Kobenhavn (DK) HANSEN, Flemming DK-2200 Kobenhavn N (DK) (74) Representative: Plougmann & Vingtoft A/S  Sankt Annae Plads 11, P.O. Box 3007 DK-1021 Copenhagen K DK-1021 Copenhagen K (DK)