Solid particle dispersions of filter dyes for photographic elements

Solid particle dispersions of dyes according to the formula: (I) wherein D is selected from the group consisting of and are disclosed as filter dyes for photographic elements. In this formula, R1, R2, R3, and R4 are each independently hydrogen, substituted or unsubstituted alkyl, or substituted or u...

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Bibliographische Detailangaben
Hauptverfasser:	DIEHL, DONALD R, BROWN, GLENN M
Format:	Patent
Sprache:	eng
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:	Solid particle dispersions of dyes according to the formula: (I) wherein D is selected from the group consisting of and are disclosed as filter dyes for photographic elements. In this formula, R1, R2, R3, and R4 are each independently hydrogen, substituted or unsubstituted alkyl, or substituted or unsubstituted aryl. R is a carboxy or sulfonamido substituent. L1 through L5 are each independently substituted or unsubstituted methine groups, and m is 0 or 1. The dyes of the invention are particularly useful as filter dyes for light in the ultraviolet and short blue wavelength regions of the spectrum.