Colorant compounds
US7176317B2 · kind B2 · utility
6Cited by
33References
67Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2003 |
| Grant date | Feb 13, 2007 |
| Priority date | — |
| Expiry date | Jul 18, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B11/24
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formulawherein R1, R2, R3, R4, R5, R6, R7, a, b, c, d, Y, Q, Q—, A, and CA are as defined herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.