Single component hair coloring composition
US7740665B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Sep 15, 2008 |
| Grant date | Jun 22, 2010 |
| Priority date | — |
| Expiry date | Dec 25, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/31
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
By combining a hydrogen peroxide liberating complex with hair coloring dyes, a highly effective hair coloring composition is obtained which comprises a stable dry powder composition which can be stored in a single container. When use is desired, the stable dry powder composition of the present invention is mixed with water, activating the liberation of hydrogen peroxide and allowing the desired hair coloring effect to be achieved. In addition to providing a single stable dry powder formulation, the composition of the present invention is capable of achieving a wide array of shades and coloring effects.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.