Patent · US Expired

Photoprotective/cosmetic compositions comprising antioxidants and filamentous bacterial extracts

US5618521A · kind A · utility

18Cited by
0References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 16, 1995
Grant dateApr 8, 1997
Priority date
Expiry dateJun 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.