(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