Photoprotective/cosmetic compositions comprising benzotriazole-substituted silicon sunscreens and cinnamic/salicylic acid solubilizing agents therefor
US6143282A · kind A · utility
5Cited by
0References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 1999 |
| Grant date | Nov 7, 2000 |
| Priority date | — |
| Expiry date | Sep 17, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/57
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Topically applicable cosmetic/dermatological sunscreen compositions well suited for the UV-photoprotection of human skin and/or hair against the damaging effects of UV-A and UV-B irradiation, particularly solar radiation, comprise (i) a UV-photoprotecting effective amount of at least one solubilized organolipophilic silicon compound, whether solid silane or organopolysiloxane, bearing a benzotriazole function substituent and (ii) an amount of at least one cinnamic acid sunscreen compound and/or at least one salicylic acid sunscreen compound effective to (substantially) dissolve said at least one organolipophilic silicon compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.