Recording liquid
US5437716A · kind A · utility
14Cited by
8References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 13, 1994 |
| Grant date | Aug 1, 1995 |
| Priority date | — |
| Expiry date | May 13, 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, free acid forms of which are represented by formulae (I) and (II): ##STR1## The symbols in formulae (I) and (II) are defined in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.