METHOD FOR MARKING PAPER AND APPARATUS FOR DETECTED MARKED PAPER - Patent 0876535

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EP 0 876 535 A1

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(43)	Date of publication:
	11.11.1998 Bulletin 1998/46

(21)	Application number: 97901099.0

(22)	Date of filing: 17.01.1997

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International Patent Classification (IPC):

D21B 1/ 02^{( . )}
D21H 21/ 14^{( . )}
D21H 23/ 50^{( . )}

D21C 5/ 02^{( . )}
D21H 17/ 67^{( . )}

(86)	International application number:
	PCT/FI1997/000025

(87)	International publication number:
	WO 1997/026408 (24.07.1997 Gazette 1997/32)

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

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Priority:

17.01.1996 FI 19960000239

(71)	Applicant: VALTION TEKNILLINEN TUTKIMUSKESKUS
	02150 Espoo 15 (FI)

(72)	Inventor:
	ROSENBERG, Rolf FIN-02150 Espoo (FI)

(74)	Representative: Papula, Antti, et al
	Papula Rein Lahtela Oy, P.O. Box 981 00101 Helsinki 00101 Helsinki (FI)

(54)	METHOD FOR MARKING PAPER AND APPARATUS FOR DETECTED MARKED PAPER