Verfahren zur Herstellung von Sensibilisierungsfarbstoffen

Polymethine dyes having one of the general formula: or wherein R represents an alkyl or aryl group, A is an inorganic acid radical, X is O, S, Se or N-alkyl, Y is an alkyl or allyl group, Y1 and Y2 are alkyl groups and Z completes a heterocyclic ring, are prepared by any known methods from a 1-alk...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	WILHELM,BERLIN,LUDWIG
Format:	Patent
Sprache:	ger
Schlagworte:	ADHESIVES CHEMISTRY DYES LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS POLISHES
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