Epindolidione pigments

The epindolidione compounds of the general formula (I) in which A', R2 and A have the meanings given in claim 1, are outstanding pigments which are notable in particular for better migration, light and solvent fastnesses, better heat stability and enhanced colouring power and also better disper...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SCHMIDT MARTIN ULRICH, WOLF VALERIE, PROKSCHY FRANK, KAUL BANSI LAL, PIASTRA BRUNO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY CINEMATOGRAPHY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COLOUR PRINTING CORRECTING FLUIDS CORRECTION OF TYPOGRAPHICAL ERRORS DYES ELECTROGRAPHY ELECTROPHOTOGRAPHY FILLING PASTES HETEROCYCLIC COMPOUNDS HOLOGRAPHY i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME INKS LAKES LINING MACHINES MAGNETOGRAPHY METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC CHEMISTRY ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS POLISHES PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The epindolidione compounds of the general formula (I) in which A', R2 and A have the meanings given in claim 1, are outstanding pigments which are notable in particular for better migration, light and solvent fastnesses, better heat stability and enhanced colouring power and also better dispersibility and capability to be brought into pigment form. The invention also relates to a process for preparing these epindolidione compounds and to their use a colorants for colouring polymer compositions or paper pulps, as colorants in electrophotographic toners and developers, as colorants in ink-jet inks, as colorants in the coatings industry, as colorants for textile printing or as a printing ink in the graphical industry, as colorants in cosmetics.