N-alkylamino secondary para-phenylenediamine, composition for dyeing keratin fibers comprising such a para-phenylenediamine, processes using this composition and uses thereof
US7338536B2 · kind B2 · utility
6Cited by
20References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2005 |
| Grant date | Mar 4, 2008 |
| Priority date | — |
| Expiry date | Aug 29, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/411
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present disclosure relates to novel N-alkylamino secondary para-phenylenediamines; a composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a medium suitable for dyeing, at least one such N-alkylamino secondary para-phenylenediamine; a process for dyeing keratin fibers comprising applying this composition; and the uses of this composition in the form of a dyeing “kit”.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.