Patent · US Active

Green and atom-economical processes for producing phenolic antioxidants

US8766016B2 · kind B2 · utility

0Cited by
3References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 6, 2010
Grant dateJul 1, 2014
Priority date—
Expiry dateNov 21, 2030

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2601/16
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Processes for producing 1,3,5-trimethyl-2,4,6-tris(3,5-dialkyl-4-hydroxybenzyl)benzene are provided, in particular such processes that utilize 2,6-di-tert-butylphenol, paraformaldehyde, a secondary amine, mesitylene, and acetic acid.

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