PHOTOCHROMIC SECURITY SYSTEM FOR SECURITY DOCUMENTS - Patent 0946371

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EP 0 946 371 A1

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(43)	Date of publication:
	06.10.1999 Bulletin 1999/40

(21)	Application number: 97954036.0

(22)	Date of filing: 08.12.1997

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International Patent Classification (IPC):

B41M 3/ 14^{( . )}
G03C 5/ 08^{( . )}

B41M 5/ 28^{( . )}
G03G 21/ 04^{( . )}

(86)	International application number:
	PCT/US1997/022048

(87)	International publication number:
	WO 1998/028154 (02.07.1998 Gazette 1998/26)

(84)	Designated Contracting States:
	AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

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Priority:

23.12.1996 US 19960780057

(71)	Applicant: THE STANDARD REGISTER COMPANY
	Dayton Ohio 45408 (US)

(72)	Inventors:
	BANNARD, John Bingham NG13 8AP (GB) MAGUIRE, Dennis Nottingham NG5 5DZ (GB) PUNTAMBEKAR, Shakher Leicester LE4 6GR (GB)

(74)	Representative: Caldwell, Judith Margaret, et al
	David Keltie Associates, 12 New Fetter Lane London EC4A 1AP London EC4A 1AP (GB)

(54)	PHOTOCHROMIC SECURITY SYSTEM FOR SECURITY DOCUMENTS