Patent · US Expired

Photostable sunscreen compositions and methods of stabilizing

US7186404B2 · kind B2 · utility

0Cited by
10References
39Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 29, 2005
Grant dateMar 6, 2007
Priority date
Expiry dateApr 1, 2025

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K2800/52
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

There is provided a photostable and synergistically enhanced topical sunscreen composition. There is further provided a method of enhancing the photostability of a sunscreen active in a topical sunscreen composition. There is further still provided a method of synergistically enhancing the UV absorbance of a sunscreen active in a topical sunscreen composition. The preferred compositions and methods of the present invention use a dibenzoylmethane sunscreen active, a Kaempferia galanga extract, and a cosmetically acceptable vehicle.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.