COPY PROTECTED PAPER

The invention is directed to copy protected paper, to a method for producing said paper, the use of a specific coating for copy protection of paper, and a method for protecting a printable paper substrate from being copied. The copy protected substrate of the invention comprises a printable substrat...

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Bibliographische Detailangaben
Hauptverfasser:	BATENBURG, LAWRENCE FABIAN, JETTEN, JAN MATTHIJS, TIMMERMANS, JOHANNES WILHELMUS, TURKENBURG, DANIEL HENDRIK, RENTROP, CORNELIS HERMANUS ARNOLDUS, HOVENS, IRENE ANTOINETTE PETRA
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CINEMATOGRAPHY COLOUR PRINTING ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY IMPREGNATING OR COATING OF PAPER LINING MACHINES MAGNETOGRAPHY PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS 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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Beschreibung
Zusammenfassung:	The invention is directed to copy protected paper, to a method for producing said paper, the use of a specific coating for copy protection of paper, and a method for protecting a printable paper substrate from being copied. The copy protected substrate of the invention comprises a printable substrate having, on a printed side, a transparent coating comprising an organic polymer, wherein the refractive index of said transparent coating differs from the refractive index of said substrate with at least 0.1.