Recording liquid
US4601756A · kind A · utility
22Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 1984 |
| Grant date | Jul 22, 1986 |
| Priority date | — |
| Expiry date | Oct 15, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/328
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A recording liquid comprises a liquid composition containing water-soluble dyes as coloring component, characterized in that C.I. Food Black 2 and one or more dyes in different color or colors are used in combination as said coloring component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.