Color composition and inkjet recording method
US7533978B2 · kind B2 · utility
4Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2003 |
| Grant date | May 19, 2009 |
| Priority date | — |
| Expiry date | Oct 30, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B67/0041
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A coloring composition containing a dis-azo compound or poly-azo compound which contains two or more substituents having a pKa value in water of −i0 to 5 and which has an oxidation potential more positive than 0.8 V (vs SCE), and an inkjet recording ink composition containing the coloring composition and an inkjet recording method wherein an image is formed on an image-receiving material containing a support having provided thereon an ink receiving layer containing a white inorganic pigment particle, using the inkjet recording ink composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.