PRESSURE-SENSITIVE CARBONLESS IMAGING SYSTEM INCORPORATING UNCOLORED FERRIC ORGANOPHOSPHATES AND UNCOLORED CHELATES

Pressure sensitive imaging materials are colorless until pressure addressed, but thereafter provide an intense dark image. The materials comprise white ferric organophosphate, ferric organophosphinate, or ferric organophosphonate and a colorless chelate. The choice of substituents on the chelate nuc...

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Bibliographische Detailangaben
Hauptverfasser:	WHITCOMB, DAVID R, ALBIN, LOREN D
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	COLOUR PRINTING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS LINING MACHINES PERFORMING OPERATIONS PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	Pressure sensitive imaging materials are colorless until pressure addressed, but thereafter provide an intense dark image. The materials comprise white ferric organophosphate, ferric organophosphinate, or ferric organophosphonate and a colorless chelate. The choice of substituents on the chelate nucleus can give images with both good discrimination visually and to near infrared radiation (NIR).