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US 2017/0247555 A1Published application
Aqueous ink composition
AssigneesHewlett-Packard Development Company, L.P., Purdue Research Foundation
InventorsElias I. Franses, David S. Corti, Yung-Jih Yang, Hou T. Ng, Yan Zhao, Howard S. Tom
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Abstract
Provided in one example herein is an aqueous ink composition, comprising: pigment particles comprising at least one metal oxide; an aqueous medium; and a cationic double-chain surfactant comprising a quaternary ammonium salt. Methods of making and using the ink composition are also provided.
Claims15
An aqueous ink composition, comprising:
- pigment particles comprising at least one metal oxide;
- an aqueous medium;
- and
- a cationic double-chain surfactant comprising a quaternary ammonium salt.
1 more element
An aqueous ink composition, comprising:
- pigment particles comprising at least one metal oxide;
- an aqueous medium;
- and
- vesicles comprising a cationic double-chain surfactant comprising a quaternary ammonium salt comprising a halogen anion.
1 more element
A method of making, comprising:
- shaking a solution comprising:
- pigment particles comprising at least one metal oxide;
- an aqueous medium;
- and
- a cationic double-chain surfactant comprising a quaternary ammonium salt comprising a halogen anion;
- and
- stirring the solution to form an ink composition.
4 more elements
Dependencies are inferred from the claim text.