(19)
(11) EP 0 128 937 A1

(12)

(43) Date of publication:
27.12.1984 Bulletin 1984/52

(21) Application number: 84900245.0

(22) Date of filing: 07.12.1983
(51) International Patent Classification (IPC): 
G01N 31/ 22( . )
G01N 33/ 52( . )
 G01N 21/ 78( . )
G01N 33/ 94( . )
(86) International application number:
PCT/US1983/001920
(87) International publication number:
WO 1984/002397 (21.06.1984 Gazette 1984/15)
(84) Designated Contracting States:
AT BE CH DE FR GB LI LU NL SE

(30) Priority: 08.12.1982 US 19820447835

(71) Applicant: MEDICAL DIAGNOSTICS INC.
Columbia, MD 21045 (US)

(72) Inventor:
  • FRIEDENBERG, Robert, M.
    Laurel, MD 20810 (US)

   


(54) DRUG ABUSE TEST INDICATOR DEVICE AND METHOD OF MAKING SAME