Ink compositions
US6328792A · kind A · utility
1Cited by
20References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2000 |
| Grant date | Dec 11, 2001 |
| Priority date | — |
| Expiry date | Feb 22, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/38
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink composition comprised of a colorant, potassium iodide, and a poly(quaternary amine), and which ink possesses a pH of from about 7.5 to about 12.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.