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US 6,713,530 B2Granted
Ink jet ink composition
AssigneeEastman Kodak Company
InventorsJin-Shan Wang, Huijuan Chen
Life of this patent
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Abstract
An ink jet ink composition of water, a dye, a humectant and a hyperbranched polymer.
Claims24
An ink jet ink composition comprising water, a dye, a humectant, and a hyperbranched polymer, wherein the dye and the hyperbranched polymer are separate compounds.
The composition of claim 8 wherein M3 and M4 are each independently —COOH, —OH, —C(O)Cl,
- anhydride, —NH, or —NH2.
The composition of claim 8 wherein said M3s-R1-M4t is 2,2-bis(hydroxymethyl)propionic acid, 2,3-diaminoproponic acid, 2,5-diaminopentanoic acid, 1-Lysine or has one of the following structures:
- wherein R10 and R11 are independently H, substituted or non-substituted straight or branched alkyl, alkenyl, aryl moiety and may be joined to form an alkylene group, 3 to 8-membered ring;
- and
- h is an integer of at least 1.
Dependencies are inferred from the claim text.