Fluorinated dyes or colorants and their uses
US7951938B2 · kind B2 · utility
30Cited by
17References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2008 |
| Grant date | May 31, 2011 |
| Priority date | — |
| Expiry date | Nov 26, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B57/004
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to novel fluorinated dyes or colorants having high solubility and low viscosity in halogenated, especially fluorinated, solvents. The dyes or colorants of the present invention have shown to improve the performance of electrophoretic displays. The invention is particularly directed to a fluorinated porphyrin dye or colorant expressed by Formula (VII).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.