Patent · US Expired

Benzoxazole stabilizer compounds and polymeric materials stabilized therewith

US4579893A · kind A · utility

12Cited by
7References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 6, 1984
Grant dateApr 1, 1986
Priority date
Expiry dateJan 6, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K5/35
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Disclosed are compounds having the formula ##STR1## wherein X is the residue of a benzoxazole radical; PA0 Y is carboxyl, alkoxycarbonyl, alkanoyl, cyano, carbamoyl, N-alkylcarbamoyl or N,N-dialkylcarbamoyl; and PA0 A is phenyl, naphthyl or phenyl or napthyl substituted with one or more substituents selected from hydroxy, halogen, alkyl, alkoxy, cycloalkyl, aryl, aryloxy or Y. Also disclosed are polymeric materials stabilized against degradation by ultraviolet light by the incorporation therein of one or more of the above-defined compounds.

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