Patent · US Expired

Shape-selective catalytic oxidation of phenol

US4578521A · kind A · utility

9Cited by
4References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 4, 1985
Grant dateMar 25, 1986
Priority date
Expiry dateFeb 4, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/52
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

This invention provides a process in which phenol is reacted with hydrogen peroxide to form hydroquinone in the presence of a shape-selective zeolite catalyst such as HZSM-5. Essentially no catechol byproduct is produced.

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