Patent · US Expired

Cosmetic use of 3-indolepyruvic acid

US5091172A · kind A · utility

1Cited by
2References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 6, 1990
Grant dateFeb 25, 1992
Priority date
Expiry dateAug 6, 2010

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61Q19/08
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A description is given of the cosmetic use of 3-indolepyruvic acid for the protection of the skin from damage caused by oxygen, by the sun and by aging.

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