Sunscreen compositions as well as dihydropyridines and dihydropyranes
US7611696B2 · kind B2 · utility
3Cited by
2References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 4, 2003 |
| Grant date | Nov 3, 2009 |
| Priority date | — |
| Expiry date | Feb 20, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/498
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
1,4-dihydropyridine and 1,4-dihydropyrane derivatives and novel cosmetic or dematological sunscreen compositions containing novel and/or known 1,4-dihydropyridine or 1,4-dihydropyrane derivatives which are useful for photoprotecting human skin and/or hair against UV radiation, in particular solar radiation, and the use of such 1,4-dihydropyridine and/or 1,4-dihydropyrane derivatives as UV-A screening agents, particularly in cosmetic and pharmaceutical compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.