(19)

(11)

EP 0 187 857 A1

(12)

(43) Date of publication: 23.07.1986 Bulletin 1986/30 (21) Application number: 85903921.0 (22) Date of filing: 17.07.1985

(51) International Patent Classification (IPC):  G01N 33/ 98( . ) (86) International application number: PCT/US1985/001395 (87) International publication number: WO 1986/000712 (30.01.1986 Gazette 1986/03)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 17.07.1984 US 19840631587 (71) Applicant: ADRIAN, Werner, Karl Florissant, CO 80816 (US)	(72) Inventor: ADRIAN, Werner, Karl Florissant, CO 80816 (US) (74) Representative: Berkenfeld, Helmut, Dipl.-Ing.  An der Schanz 2 03/3 D-50735 Köln D-50735 Köln (DE)