Dye compositions and ink-jet printing ink

Dye compositions and aqueous inks derived therefrom, especially suitable for use in ink jet printing in which the dye composition contains (a) one or more dyes which, in the free acid form, are of Formula (1): wherein W is H or COOH; X is H or COOH; Y is H or COOH; U & Z are each independently H...

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Bibliographische Detailangaben
Hauptverfasser:	PRESGRAVE, JOHN EDWARD, GREGORY, PETER, KENYON, RONALD WYNFORD
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS LAKES 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 POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	Dye compositions and aqueous inks derived therefrom, especially suitable for use in ink jet printing in which the dye composition contains (a) one or more dyes which, in the free acid form, are of Formula (1): wherein W is H or COOH; X is H or COOH; Y is H or COOH; U & Z are each independently H, COOH or SO3H; and V is H or SO3H; and (b) one or both dyes which in the free acid form is of Formula (2): wherein A is NH2 and B is OH; or A is OH and B is NH2. lly