Process for dyeing keratin fibers with at least one ninhydrin derivative
US7192455B2 · kind B2 · utility
4Cited by
0References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2004 |
| Grant date | Mar 20, 2007 |
| Priority date | — |
| Expiry date | Aug 16, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/4986
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present disclosure relates to a process for dyeing keratin materials with compositions comprising, in a medium that is suitable for dyeing, at least one ninhydrin derivative, which may optionally be combined with at least one compound comprising at least one labile hydrogen. Further disclosed herein are dying compositions, multi-component hair dye compositions, and a multi-compartment kits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.