Yellow dyes for ink jet inks

This invention relates to a yellow ink composition for ink jet printing comprising a dye represented by Formula I, water and a humectant: wherein: R1 and R5 independently are hydrogen or a substituted or unsubstituted alkyl, aromatic or heterocyclic group; R2 and R4 independently are hydrogen or a n...

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Bibliographic Details
Main Authors POTENZA JOAN C, EVANS STEVEN, PYSZCZEK ELLEN J
Format Patent
LanguageEnglish
Published 25.05.2006
Subjects
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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Summary:This invention relates to a yellow ink composition for ink jet printing comprising a dye represented by Formula I, water and a humectant: wherein: R1 and R5 independently are hydrogen or a substituted or unsubstituted alkyl, aromatic or heterocyclic group; R2 and R4 independently are hydrogen or a non-metallic substituent; R3 is hydrogen or a substituted or unsubstituted alkyl, acyl, sulfonyl, aromatic or heterocyclic group; and X is an electron withdrawing group; with the proviso at least one of R1, R2, R3, R4 and R5 comprises a group capable of imparting water solubility to the dye.
Bibliography:Application Number: US20040994593