Use of an amine and/or a quaternary ammonium compound for protecting colour of artificially coloured hair with respect to the washing and process therefore
US8523953B2 · kind B2 · utility
2Cited by
0References
14Claims
0Family size
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Key dates
| Filing date | Apr 19, 2011 |
| Grant date | Sep 3, 2013 |
| Priority date | — |
| Expiry date | Apr 19, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/884
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to the use of amine and quaternary ammonium compounds for protecting hair color of artificially colored hair with respect to the washing, according to general structureR1-A-R2—B
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.