Patent · US Expired

Anti-solar acrylamide derivative polymers, method of making the same and cosmetic compositions containing the same

US4233430A · kind A · utility

25Cited by
2References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 1, 1979
Grant dateNov 11, 1980
Priority date
Expiry dateMay 1, 1999

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K2800/57
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

An anti-solar polymer has in the macromolecular chain thereof at least one unit of the formula ##STR1## wherein F is a residue derived from an aromatic compound. The anti-solar polymer can also be one having in the macromolecular chain thereof at least one unit of the formula ##STR2## wherein F.sub.1 is ##STR3## These polymers have the ability to absorb wave lengths of light in the range of about 280-315 millimicrons. The polymers are employed in a cosmetic composition.

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