Patent · US Expired

3-arylbenzofuranones

US5516920A · kind A · utility

44Cited by
4References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 12, 1994
Grant dateMay 14, 1996
Priority date
Expiry dateSep 12, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2040/28
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The invention described novel compounds of formula ##STR1## wherein the general symbols are as defined in claim 1, as stabilisers for protecting organic materials, in particular polymers and lubricants, against thermal, oxidative or light-induced degradation.

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