VARIABLE DATA CLEAR MARK IMAGING

A security document is produced from a paper substrate having invisible hydrophobic toner blended into the paper. The clear toner is produced by milling (11) and classifying (12) a polyester resin, mixing it with a silica flowing agent (13), and then electrostatically imaging the toner (16) onto the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CHRISTY, ORRIN D, SWANSON, LEO, PICKETT, JOHN E, MATHEIS, MARK A, COUSOULIS, MARC
Format: Patent
Sprache:eng ; fre
Schlagworte:
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