Patent · US Expired

Process for producing aromatic ring alkylated phenols

US6617476B2 · kind B2 · utility

0Cited by
2References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 13, 2000
Grant dateSep 9, 2003
Priority date
Expiry dateDec 13, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/54
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for producing an aromatic ring alkylated phenols, wherein said process comprises reacting phenols represented by the general formula (1): wherein, each of R1, R2, R3, R4 and R5 independently represents a hydrogen atom, or a linear or branched alkyl group having 1 to 10 carbon atoms;with monohydric or dihydric alcohol in the presence of a hydroxide of a metal, an alkoxide of a metal, or a hydroxide of a metal and an alkoxide of a metal under a supercritical state of the alcohol.

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