Ink compositions
US5221332A · kind A · utility
34Cited by
9References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 29, 1991 |
| Grant date | Jun 22, 1993 |
| Priority date | — |
| Expiry date | Apr 29, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/38
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink composition which comprises an aqueous liquid vehicle, a colorant, and silica particles in an amount of from about 0.1 to about 5 percent by weight. The inks are particularly suited for ink jet printing processes, including thermal ink jet printing processes, and exhibit increased drop volume and increased drop velocity when employed in ink jet printing processes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.