LACTOMISK CHROMOGENT MATERIALE TIL ANVENDELSE I TRYK- OG VARMEFOELSOMME REGISTRERINGSSYSTEMER OG FREMGANGSMAADE TIL FREMSTILLING AF ET SAADANT MATERIALE

Chromogenic compounds of normally colorless form are disclosed having the following structural formula: wherein E represents a six-membered aromatic or heterocyclic ring which may have an aromatic condensed ring and both the E ring and the condensed ring may be substituted, A represents an optionall...

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Bibliographische Detailangaben
Hauptverfasser:	HOOVER T E, BECKER W J, FABER S
Format:	Patent
Sprache:	dan
Schlagworte:	ADHESIVES CHEMISTRY COLOUR PRINTING DYES HETEROCYCLIC COMPOUNDS LAKES LINING MACHINES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC CHEMISTRY ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PERFORMING OPERATIONS POLISHES PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	Chromogenic compounds of normally colorless form are disclosed having the following structural formula: wherein E represents a six-membered aromatic or heterocyclic ring which may have an aromatic condensed ring and both the E ring and the condensed ring may be substituted, A represents an optionally substituted aminophenyl, indolyl, benzoindolyl, julolidinyl or kairolyl radical or the radical represented by B, and B represents a family of heterocyclic radicals. The compounds of this invention are eligible for use in pressure-sensitive and heat sensitive record materials and manifold marking systems.