M-diaminobenzenes, their acid adducts and the use thereof in colorants
US7361198B2 · kind B2 · utility
1Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 2004 |
| Grant date | Apr 22, 2008 |
| Priority date | — |
| Expiry date | Jun 13, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D333/20
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to novel m-diaminobenzenes of formula (I)to the use thereof in colorants and to the oxidative hair colorants containing said m-diaminobenzenes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.