Patent · US Expired

Thiomethylated benzofuran-2-ones

US5252643A · kind A · utility

77Cited by
2References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 24, 1992
Grant dateOct 12, 1993
Priority date
Expiry dateJun 24, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10M135/20
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Compounds which are benzofuran-2-ones having two organothiomethyl substituents directly attached to the benzo ring are suitable for stabilizing organic materials against thermal, oxidative or light-induced degradation.

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