(19)

(11)

EP 0 228 444 A1

(12)

(43) Date of publication: 15.07.1987 Bulletin 1987/29 (21) Application number: 86904433.0 (22) Date of filing: 24.06.1986

(51) International Patent Classification (IPC):  G01N 15/ 05( . ) (86) International application number: PCT/SE1986/000306 (87) International publication number: WO 1987/000278 (15.01.1987 Gazette 1987/01)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 05.07.1985 SE 19850003366 (71) Applicant: LÖFMAN, Olof Bernhardt Gunnar S-181 62 Lidingö (SE)	(72) Inventor: LÖFMAN, Olof Bernhardt Gunnar S-181 62 Lidingö (SE)