(19)
(11) EP 0 760 991 A1

(12)

(43) Date of publication:
12.03.1997 Bulletin 1997/11

(21) Application number: 95919528.0

(22) Date of filing: 22.05.1995
(51) International Patent Classification (IPC): 
G09F 3/ 00( . )
(86) International application number:
PCT/GB1995/001156
(87) International publication number:
WO 1995/032490 (30.11.1995 Gazette 1995/51)
(84) Designated Contracting States:
DE ES FR GB IT SE

(30) Priority: 21.05.1994 GB 19940010196

(71) Applicant: ALPHA. SCIENTIFIC (HOLDINGS) LIMITED
St. Albans, Hertfordshire AL3 5QU (GB)

(72) Inventor:
  • REID, Peter, Thomas
    Bayford, Hertfordshire SG13 8QT (GB)

(74) Representative: Heath, Peter William Murray, et al 
FRY HEATH & SPENCE The Old College 53 High Street
Horley Surrey RH6 7BN
Horley Surrey RH6 7BN (GB)

   


(54) IDENTIFICATION MARKERS AND METHODS FOR FORMING THE SAME