Pigmented inks and a method of making pigmented inks
US6478862B1 · kind B1 · utility
12Cited by
113References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 14, 2000 |
| Grant date | Nov 12, 2002 |
| Priority date | — |
| Expiry date | Mar 14, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/322
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method of making an ink jet ink that entails combining a water miscible organic solvent, water, and a pigment dispersion, and blending the water miscible organic solvent, the water, and the pigment dispersion together to form the ink jet ink, wherein the ink jet ink is capable of exhibiting no pigment precipitation, no pigment agglomeration, and no pigment flocculation after being stored in the absence of any agitation for a period of at least about 1 month.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.