PREVENTING UNAUTHORIZED COPYING OF DOCUMENTS - Patent 0728347

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EP 0 728 347 A1

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(43)	Date of publication:
	28.08.1996 Bulletin 1996/35

(21)	Application number: 95900846.0

(22)	Date of filing: 14.11.1994

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International Patent Classification (IPC):

B41M 3/ 14^{( . )}
G03G 21/ 04^{( . )}

B42D 15/ 00^{( . )}
G07D 7/ 12^{( . )}

(86)	International application number:
	PCT/GB1994/002503

(87)	International publication number:
	WO 1995/013597 (18.05.1995 Gazette 1995/21)

(84)	Designated Contracting States:
	CH DE ES FR GB IT LI NL SE

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Priority:

12.11.1993 GB 19930023352

(71)	Applicant: THOMAS DE LA RUE LIMITED
	London WC2N 4DE (GB)

(72)	Inventors:
	NUTTON, Andrew Basingstoke, Hampshire RG22 4LX (GB) BRATCHLEY, Robin Reading, Berkshire RG5 4TT (GB) BALDWIN, Stanley Ivor High Wycombe, Buckinghamshire HP15 6SE (GB) HASLOP, John M. Reading, Berkshire RG5 3BG (GB)

(74)	Representative: Skone James, Robert Edmund
	GILL JENNINGS & EVERY Broadgate House 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)

(54)	PREVENTING UNAUTHORIZED COPYING OF DOCUMENTS