Lightening agent having cationic acylpyridinium derivatives and certain ammonium compounds
US8277516B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Apr 12, 2012 |
| Grant date | Oct 2, 2012 |
| Priority date | — |
| Expiry date | Apr 12, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/88
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Agent for lightening keratinous fibers comprising in a cosmetic carrier (i) at least one oxidation agent, (ii) at least one acylpyridinium derivative of Formula (I) and (iii) at least one ammonium compound comprising hydroxyl groups of Formula (II).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.