Ionic UV-A sunscreens and compositions containing them
US7897779B2 · kind B2 · utility
1Cited by
3References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 11, 2005 |
| Grant date | Mar 1, 2011 |
| Priority date | — |
| Expiry date | Feb 11, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/59
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to novel 1,4-dihydropyridine derivatives, to novel cosmetic or dermatological sunscreen compositions containing these derivatives and the use of these derivatives for photoprotecting human skin and/or hair against UV radiation, in particular solar radiation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.