Use of 2-(sulphonylamino)phenols as couplers in oxidation coloring
US6733540B2 · kind B2 · utility
0Cited by
2References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 14, 2001 |
| Grant date | May 11, 2004 |
| Priority date | — |
| Expiry date | Jun 6, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/466
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to the field of the oxidation dyeing of keratinous fibres and in particular of human keratinous fibers, such as the hair. The invention relates more particularly to the use of certain 2-(sulphonylamino)phenols of following formula (I) as coupler in combination with oxidation dye precursors for the oxidation dyeing of the fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.