Manufacture of sensitizing dyestuffs

519,895. Sensitizing dyes. KENDALL, J. D. Oct. 6, 1938, No. 29021. Sample furnished. [Class 2 (iii)] [Also in Group XX] Unsymmetrical sensitizing dyes for photographic emulsions are made by reacting together, in the presence of a strongly basic substance, a heterocyclic nitrogen compound containing...

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Bibliographische Detailangaben

1. Verfasser:	KENDALL JOHN DAVID
Format:	Patent
Sprache:	eng
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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