Patent · US Expired

Photostable sunscreen compositions and methods of stabilizing

US6440402B1 · kind B1 · utility

13Cited by
1References
40Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 14, 2001
Grant dateAug 27, 2002
Priority date
Expiry dateDec 14, 2021

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, an extract of Kaempferia Galanga, and a cosmetically acceptable vehicle.

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