Cosmetic and/or dermatological use of a composition comprising at least one oxidation-sensitive hydrophilic active principle stabilized by at least one maleic anhydride copolymer
US7803354B2 · kind B2 · utility
2Cited by
27References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 29, 2003 |
| Grant date | Sep 28, 2010 |
| Priority date | — |
| Expiry date | Oct 29, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/522
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method for depigmenting and/or lightening the skin and/or hair, including body hair, including applying a composition including at least one oxidation-sensitive hydrophilic active principle chosen from ascorbic acid and its derivatives and at least one maleic anhydride copolymer, comprising one or more maleic anhydride comonomers and one or more comonomers chosen from vinyl acetate, vinyl alcohol, vinylpyrrolidone, olefins comprising from 2 to 20 carbon atoms, and styrene, in a physiologically acceptable medium comprising an aqueous phase, to the skin and/or hair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.