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US 8,273,166 B2Granted
Phase change ink compositions and colorants for use in the same
AssigneeXerox Corporation
InventorsMaria Bírau, C. Geoffrey Allen, Biby E. Abraham, Caroline M. Turek, Peter G. Odell
Life of this patent
Estimating the term…
Abstract
A phase change ink compositions, comprising a novel colorant wax to prevent and/or reduce printhead and nozzle contamination in ink jet printers caused by drooling and faceplate staining. In particular, there is provided novel colorants containing acid groups for use in phase change ink compositions and which are compatible with phase change ink components.
Claims17
A phase change ink composition comprising:
- a colorant;
- and
- a wax ink vehicle, wherein the colorant further comprises a compound selected from the group consisting of
- and the colorant is insoluble in water and polar organic solvents but is soluble in the wax ink vehicle.
1 more element
A phase change ink composition comprising:
- a colorant;
- and
- an ink vehicle, wherein the colorant further comprises a compound selected from the group consisting of
A phase change ink composition comprising:
- a colorant;
- a dispersant;
- and
- a wax ink vehicle, wherein the colorant further comprises a compound selected from the group consisting of
- further wherein the colorant is insoluble in water and polar organic solvents but is soluble in the wax ink vehicle.
2 more elements
Dependencies are inferred from the claim text.