Esters of aryl benzimidazole sulfonic acids and sunscreen compositions containing same
US7118760B2 · kind B2 · utility
1Cited by
4References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2003 |
| Grant date | Oct 10, 2006 |
| Priority date | — |
| Expiry date | Apr 11, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D235/20
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides novel aryl benzimidazole sulfonic acid esters and cosmetic compositions that employ the novel aryl benzimidazole sulfonic acid esters as sunscreens. The cosmetic compositions can be water, organic solvent or emulsion based. Also provided are methods of using the compositions to protect skin from exposure to the sun, and optionally, repel insects.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.