Recording liquid
US5480478A · kind A · utility
4Cited by
6References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 1994 |
| Grant date | Jan 2, 1996 |
| Priority date | — |
| Expiry date | Nov 29, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/328
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A recording liquid comprising an aqueous medium and at least one dye selected from dyes, a free acid form of which is represented by formula (I), (II), (III) or (VI), the symbols in the formulae being defined in the specification: ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.