Patent · US Expired

Hydroxylation of phenols/phenol ethers

US5003114A · kind A · utility

4Cited by
1References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 7, 1989
Grant dateMar 26, 1991
Priority date
Expiry dateJun 7, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C37/60
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Phenols/phenol ethers are hydroxylated by reaction with hydrogen peroxide in the presence of a catalytically effective amount of a calcined germanozeosilite MFI zeolite.

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