Aqueous inks containing dye blends
US5958118A · kind A · utility
1Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 1998 |
| Grant date | Sep 28, 1999 |
| Priority date | — |
| Expiry date | Jun 29, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/037
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed is an ink composition which comprises water and a colorant selected from the group consisting of (a) a mixture of Acid Yellow 23 dye and Basic Yellow 51 dye, and (b) a mixture of Acid Red 52 dye and Basic Red 15 dye.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.