USE OF BLACK DYES IN COLOR INKS TO ENHANCE PRINT QUALITY

A magenta dye-based ink composition and a method for improving the print qualities of a magenta dye-based ink composition. The magenta dye-based ink composition includes one or more red dye(s) and a minor but effective amount of black dye. A weight ratio of red dye(s) to black dye in the ink composi...

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Bibliographic Details
Main Authors EDAKA, Keiichi, SUTHAR, Ajay K
Format Patent
LanguageEnglish
Published 01.08.2019
Subjects
ADHESIVES
CHEMICAL PAINT OR INK REMOVERS
CHEMISTRY
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS
CORRECTING FLUIDS
DYES
FILLING PASTES
INKS
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
PASTES OR SOLIDS FOR COLOURING OR PRINTING
POLISHES
USE OF MATERIALS THEREFOR
WOODSTAINS
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Summary:A magenta dye-based ink composition and a method for improving the print qualities of a magenta dye-based ink composition. The magenta dye-based ink composition includes one or more red dye(s) and a minor but effective amount of black dye. A weight ratio of red dye(s) to black dye in the ink composition ranges from about 20:1 to about 100:1.
Bibliography:Application Number: US201815883132