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US 5,688,311 AGranted
Ink jet inks containing long chain alcohols
AssigneeE. I. Du Pont de Nemours and Company
InventorRaymond J. Adamic
Life of this patent
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Abstract
An aqueous ink jet ink which contains an aqueous carrier medium; a colorant, which may be a pigment dispersion or a dye, and a long chain alcohol having at least 8 carbon atoms present in the amount of 0.05 to 5% by weight, based on the total weight of the ink exhibit reduced mottle and, when used in an ink set to form a multicolor image, reduced halo.
Claims15
An aqueous ink jet ink comprising:
- (a) an aqueous carrier medium;
- (b) a colorant;
- and
- (c) at least one long chain alcohol having at least 8 carbon atoms present in the amount of 0.05 to 5% by weight, based on the total weight of the ink.
1 more element
An ink set for printing at least two distinct colors on a print medium, the ink set comprising:
- (a) a first ink comprising
- (1) an aqueous carrier medium;
- (2) a colorant;
- and
- (3) at least one long chain alcohol having at least 8 carbon atoms, present in an amount of 0.05 to 5% by weight, based on the total weight of the ink, and
- (b) a second ink containing an aqueous carrier medium and a colorant;
- wherein the colorant in at least one of said first and second inks comprises a pigment dispersion.
4 more elements
Dependencies are inferred from the claim text.