Additive for ink jet ink
US6030438A · kind A · utility
4Cited by
7References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 1998 |
| Grant date | Feb 29, 2000 |
| Priority date | — |
| Expiry date | Dec 1, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/38
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink jet ink composition comprising from about 30 to about 90% by weight of water, from about 0.5 to about 30% by weight of a pigment, from about 0.1 to about 10% by weight of a swelling clay, and from about 10 to about 50% by weight of a humectant comprising a polyhydric alcohol or a nitrogen-containing cyclic compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.