(19)
(11) EP 0 303 610 A1

(12)

(43) Date of publication:
22.02.1989 Bulletin 1989/08

(21) Application number: 87902599.0

(22) Date of filing: 09.04.1987
(51) International Patent Classification (IPC): 
G04D 7/ 00( . )
C12Q 1/ 70( . )
G07D 7/ 14( . )
G09F 3/ 00( . )
C12Q 1/ 68( . )
G01N 33/ 58( . )
G07D 7/ 20( . )
G09F 3/ 03( . )
(86) International application number:
PCT/GB1987/000242
(87) International publication number:
WO 1987/006383 (22.10.1987 Gazette 1987/23)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 09.04.1986 GB 19860008629

(71) Applicant: BIOTAL LIMITED
Cardiff CF4 5DL (GB)

(72) Inventors:
  • LE PAGE, Richard, William, Falla
    Cambridge CB2 1TA (GB)
  • SLATER, James, Howard
    Lisvane Cardiff CF4 5SR (GB)

(74) Representative: Woods, Geoffrey Corlett, et al 
J.A. KEMP & CO. 14 South Square Gray's Inn
London WC1R 5LX
London WC1R 5LX (GB)

   


(54) LABELLING ARTICLES IT IS WISHED TO AUTHENTICATE