Patent · US Expired

N-(Para-hydroxybiphenyl)amides

US4206076A · kind A · utility

3Cited by
10References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 28, 1977
Grant dateJun 3, 1980
Priority date
Expiry dateNov 28, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K15/24
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Novel compounds based on a hydroxybiphenyl nucleus in which the hydroxy group is in the para position relative to the other phenyl ring and has an adjacent tertiary alkyl radical, are useful stabilizers for organic compounds against heat, light or oxygen.

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