Patent · US Expired

Use of lysine pyrrolidone carboxylate and/or of arginine pyrrolidone carboxylate as an antoxidant substance in cosmetic or pharmaceutical compositions

US5352695A · kind A · utility

3Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 24, 1992
Grant dateOct 4, 1994
Priority date
Expiry dateApr 24, 2012

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K2800/522
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The use of lysine pyrrolidone carboxylate and arginine pyrrolidone carboxylate are disclosed as antioxidants in a cosmetic composition combined with at least one phenolic derivative.

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