Patent · US Expired

2,4-Dihydroxydiphenyl sulfoxide

US4032505A · kind A · utility

2Cited by
5References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 2, 1976
Grant dateJun 28, 1977
Priority date—
Expiry dateNov 2, 1996

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K5/41
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

2,4-Dihydroxydiphenyl sulfoxide prepared by the reaction of benzenesulfinyl chloride and resorcinol is useful as a photostabilizer for polyolefins.

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