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US 6,117,606 AGranted
Use of pigment yellow 155 in electrophotographic toners and developers, powder coatings and inkjet inks
AssigneeClariant GmbH
InventorsHans-Tobias Macholdt, Ruediger Baur, Josef Ritter
Life of this patent
Estimating the term…
Abstract
C.I. Pigment Yellow 155 is used as a colorant in electrophotographic toners and developers, powder coating materials, inkjet inks, color filters and electret materials.
Claims19
A method of coloring electrophotographic toners and developers, powders and powder coating materials, electret materials, color filters and inkjet inks comprising the addition of an azo pigment of the formula (1) ##STR23## to a toner binder, a powder coating resin, an electret material, a color filter material, an aqueous or non-aqueous basis of an inkjet ink.
Dependencies are inferred from the claim text.