Diamino pyrazols, their synthesis, keratin fibre dyeing compositions containing them, keratin fibre dyeing methods
US6118008A · kind A · utility
16Cited by
1References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 7, 1999 |
| Grant date | Sep 12, 2000 |
| Priority date | — |
| Expiry date | May 7, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D231/38
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention discloses new 5-substituted 3,4-diamino pyrazols, their methods of preparation, compositions for keratin fiber oxidation dyeing containing them as an oxidizing base, and the dyeing methods using same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.