Recording liquid composition
US4325735A · kind A · utility
28Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 1980 |
| Grant date | Apr 20, 1982 |
| Priority date | — |
| Expiry date | Jun 13, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/38
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A recording liquid composition whose small droplets are used for recording is composed of an aqueous liquid medium containing a water-soluble dye, and the composition contains a nitrogen-containing heterocyclic ketone compound and a member selected from urea and thiourea, or a nitrogen-containing 5-membered heterocyclic keto-acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.