Water soluble and water fast dyes for ink jet printing
US9499707B2 · kind B2 · utility
0Cited by
9References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2013 |
| Grant date | Nov 22, 2016 |
| Priority date | — |
| Expiry date | Mar 22, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24802
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to azo dyes of desulfo-K-acid [CA: 35400-55-6], their salts, a method for the preparation of these dyes, or salts thereof, a liquid phase comprising at least one of these dyes, a method for applying the liquid phase on a substrate, a printed matter and the use of these dyes in water-based inks for inkjet printing, in writing utensil or dyeing solutions for manufacturing color filters for optical and opto-electronic applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.