ELECTROCHROMIC RECORDING PAPER

A medium for electrochromic recording is provided by treating paper with a water soluble leuco methylene blue compound having the formulawherein R is a sulfonated aromatic or sulfonated aliphatic moiety.

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Bibliographische Detailangaben
Hauptverfasser:	SNYDER, CLINTON DAVID, GRANT, BARBARA DIANNE, GENDLER, PAUL LEWIS
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY COLOUR PRINTING DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DYES FREQUENCY-CHANGING IMPREGNATING OR COATING OF PAPER LINING MACHINES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PAINTS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PERFORMING OPERATIONS PHYSICS POLISHES PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES PRODUCTION OF CELLULOSE PULP COMPOSITIONS STAMPS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TEXTILES TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G TYPEWRITERS
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Beschreibung
Zusammenfassung:	A medium for electrochromic recording is provided by treating paper with a water soluble leuco methylene blue compound having the formulawherein R is a sulfonated aromatic or sulfonated aliphatic moiety.