Black colorant compound and methods of making and using same

The present invention provides black colorant compounds comprising a first ionic dye component having a known color characteristic that absorbs light in at least a portion of the visible light spectrum and a second ionic dye component having a known color characteristic that absorbs light in at leas...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	STULC LEONARD J
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY CINEMATOGRAPHY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES ELECTROGRAPHY ELECTROPHOTOGRAPHY FILLING PASTES HOLOGRAPHY INKS LAKES MAGNETOGRAPHY METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PHOTOGRAPHY PHYSICS POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The present invention provides black colorant compounds comprising a first ionic dye component having a known color characteristic that absorbs light in at least a portion of the visible light spectrum and a second ionic dye component having a known color characteristic that absorbs light in at least a portion of the visible light spectrum that is not absorbed by the first ionic dye component. The first ionic dye component and the second ionic dye component are complexed together to form an ionically complexed colorant compound that appears black in color. Alternatively, compositions comprise ionically complexed compounds containing a plurality of dye components, where the compounds together in a colorant composition appear black in color.