Coloring composition
US6284432A · kind A · utility
3Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 1999 |
| Grant date | Sep 4, 2001 |
| Priority date | — |
| Expiry date | Apr 6, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/106
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A coloring composition for a color filter, which comprises (i) an organic pigment, (ii) a binder, and (iii) a pigment derivative which is an organic pigment to which a sulfonate group and a sulfonamide group are bonded or a salt thereof, is provided, and using the coloring composition, a color filter which manifests excellent coat property, has not special color unevenness and has excellent contrast can be produced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.