Method for producing a recording material with an authentication feature

Producing a single authentication feature exhibiting recording material with a sheet substrate dyed in mass and a pigmentation covering entire surface of at least one side of the substrate, comprises e.g. (a) producing a sheet substrate intensely dyed in the mass, having a front side and a rear side...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	REIMANN, MICHAEL, BORENIUS, KAI, LERIUS, KARSTEN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	COLOUR PRINTING IMPREGNATING OR COATING OF PAPER LINING MACHINES PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PERFORMING OPERATIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES PRODUCTION OF CELLULOSE PULP COMPOSITIONS STAMPS TEXTILES TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G TYPEWRITERS
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