Modified colorants and inkjet ink compositions comprising modified colorants
US9732227B2 · kind B2 · utility
1Cited by
71References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2014 |
| Grant date | Aug 15, 2017 |
| Priority date | — |
| Expiry date | Sep 5, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L101/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a modified colorant comprising a colorant having attached at least one organic group. Various embodiments of the organic group are disclosed. For each of these embodiments, preferably the organic group has a defined calcium index value. Also disclosed are various uses for these modified colorants, including inkjet ink compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.