Ink composition
US8496743B2 · kind B2 · utility
0Cited by
17References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 18, 2011 |
| Grant date | Jul 30, 2013 |
| Priority date | — |
| Expiry date | Jan 19, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/328
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
By using an ink composition which contains C.I. Acid Red 52, C.I. Acid Red 92, and a specific dye at a ratio in a specific range, it is possible to provide recorded matter having good lightfastness without impairing fluorescence intensity and color developability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.