Ink jet ink composition
US5843219A · kind A · utility
26Cited by
7References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1997 |
| Grant date | Dec 1, 1998 |
| Priority date | — |
| Expiry date | Mar 31, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/36
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A dispersion ink for ink jet printing and which is stable and produces good quality print on plain paper for extended periods of time without the need to interrupt printing to clean the print head, comprises a diluent containing a non-polar component, a pigment and a dispersant for stabilizing the dispersion of the pigment in the diluent, and has a polar solubility parameter greater than 0 but not greater than 7.0 MPa.sup.1/2 and a dewetting velocity of at least 100 .mu.m.sec.sup.-1, measured on a surface having a surface energy of 10.+-.1 mN.m.sup.-1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.