The stabilization of leucomethylene blue dyes on a printing substrate

The stabilization of leucomethylene blue dyes on a printing substrate

Substrates for printing are provided by stabilizing the leucomethylene blue dye contained therein with an additive selected from the group consisting of citric acid, aspartic acid, malonic acid, oxalic acid, ascorbic acid, tartaric acid, ketomalonic acid monohydrate, glucose and methionine.

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Bibliographische Detailangaben
Hauptverfasser: JAFFE, ANNETTE BRONKESH, BERNIER, WILLIAM EMMETT, TWIEG, ROBERT JAMES, GENDLER, PAUL LEWIS
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
COLOUR PRINTING
LINING MACHINES
PERFORMING OPERATIONS
PRINTING
PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES
STAMPS
TRANSPORTING
TYPEWRITERS
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Beschreibung
Zusammenfassung:Substrates for printing are provided by stabilizing the leucomethylene blue dye contained therein with an additive selected from the group consisting of citric acid, aspartic acid, malonic acid, oxalic acid, ascorbic acid, tartaric acid, ketomalonic acid monohydrate, glucose and methionine.