P-diaminobenzene derivatives and dyes containing said compounds
US6699296B2 · kind B2 · utility
2Cited by
1References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 9, 2001 |
| Grant date | Mar 2, 2004 |
| Priority date | — |
| Expiry date | Jul 9, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C215/68
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
p-Diaminobenzene derivatives of general formula (I) or physiologically tolerated water-soluble salts thereof and their use as developers in oxidation colorants for keratin fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.