AZOVERBINDUNGEN

Novel azo compounds of the general formula (E)n1(A)n2-(R1)n3-N=N-BAL are provided, wherein A is a charged group which may be positively or negatively charged, E is a counter ion which carries a charge of opposite sign to that carried by A, BAL represents a ballasting group attached to the azo group...

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Bibliographische Detailangaben
1. Verfasser:	EDWARD LONG,WILLIAM
Format:	Patent
Sprache:	ger
Schlagworte:	ADHESIVES AUXILIARY PROCESSES IN PHOTOGRAPHY CHEMISTRY CINEMATOGRAPHY DYES ELECTROGRAPHY HOLOGRAPHY LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS POLISHES
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Beschreibung
Zusammenfassung:	Novel azo compounds of the general formula (E)n1(A)n2-(R1)n3-N=N-BAL are provided, wherein A is a charged group which may be positively or negatively charged, E is a counter ion which carries a charge of opposite sign to that carried by A, BAL represents a ballasting group attached to the azo group via an aromatic or heterocyclic ring which may be further substituted, and R1 is an optionally substituted aromatic or heterocyclic ring which is present unless A is a charged heterocylic group, and n1 and n2 are each 1 or 2, and n3 is 0 or 1. The compounds are useful in the photographic field, especially in the photographic dye diffusion transfer process for the production of photographic images.