Sulfonated trisazo dyes for ink jet compositions
US4624708A · kind A · utility
2Cited by
4References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 15, 1985 |
| Grant date | Nov 25, 1986 |
| Priority date | — |
| Expiry date | Apr 15, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B35/46
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink jet composition useful for jet printing processes comprised of an aqueous solution of a sulfonated trisazo black dye selected from the group consisting of: ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.