Patent · US Expired

Method of stabilizing organic materials employing pyrazole compounds and stabilized compositions thereof

US4008200A · kind A · utility

13Cited by
0References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 11, 1975
Grant dateFeb 15, 1977
Priority date
Expiry dateApr 11, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K5/3445
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The present invention concerns a novel method of stabilizing organic material susceptible to degradation under the effect of heat, oxidation or ultra-violet light which comprises treating said material with a compound of the formula: ##STR1## WHEREIN R.sub.1, R.sub.2 and R.sub.3 are substituents, e.g. alkyl and Me is hydrogen or a metal cation.

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