Use of metal salts and chelates together with chlorites as oxidants in hair coloring
US5368610A · kind A · utility
14Cited by
8References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 20, 1993 |
| Grant date | Nov 29, 1994 |
| Priority date | — |
| Expiry date | Apr 20, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/20
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention provides methods, compositions and kits for oxidative hair dyeing utilizing an oxidative hair dye precursor, and an alkali metal chlorite together with a water soluble copper, iron, manganese or cobalt salt, a chelate of said salts or a mixture of said salts and chelates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.