Photoprotective/cosmetic compositions comprising antioxidants and filamentous bacterial extracts
US5618521A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 16, 1995 |
| Grant date | Apr 8, 1997 |
| Priority date | — |
| Expiry date | Jun 16, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/822
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Topically applicable sunscreen/cosmetic compositions well suited for enhanced photoprotection of human skin and/or hair against the damaging effects of UV-A and UV-B irradiation, whether before, during and/or after exposure to such UV irradiation, particularly solar radiation, comprise a photoprotecting effective amount of (i) at least one antioxidant, for example tocopherol or derivative thereof, and (ii) at least one extract of at least one nonphotosynthetic and nonfructifying filamentous bacteria, for example of the order Beggiatoales, in a cosmetically acceptable vehicle, diluent or carrier therefor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.