Patent · US Expired

Polyaminoamides which filter ultraviolet radiation, process for their preparation and their use in the protection of the skin and hair

US5102660A · kind A · utility

24Cited by
5References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 12, 1990
Grant dateApr 7, 1992
Priority date
Expiry dateOct 12, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S424/01
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

New polyaminoamides which filter ultraviolet radiation, process for their preparation and their use for protecting the skin and hair.

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