(19)

(11)

EP 0 216 759 A1

(12)

(43) Date of publication: 08.04.1987 Bulletin 1987/15 (21) Application number: 85901542.0 (22) Date of filing: 27.03.1985

(51) International Patent Classification (IPC):  G01N 27/ 447( . ) (86) International application number: PCT/HU1985/000019 (87) International publication number: WO 1986/000708 (30.01.1986 Gazette 1986/03)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 04.07.1984 HU 19840002606 (71) Applicant: LICENCIA TALALMANYOKAT ERTEKESITO ES INNOVACIOS KÜLKERESKEDELMI VALLALAT H-1051 Budapest (HU)	(72) Inventors: BALINT, Miklós H-1153 Budapest (HU) TÖRÖK, Gábor H-1157 Budapest (HU)