Patent · US Expired

Heterogeneous catalyst for alkoxylation of alcohols

US5256828A · kind A · utility

17Cited by
1References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 25, 1993
Grant dateOct 26, 1993
Priority date
Expiry dateFeb 25, 2013

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C41/03
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Disclosed is a process for producing narrow range glycols which comprises reacting a glycol with ethylene oxide in the presence of a heterogeneous catalyst consisting essentially of an alkali metal, alkaline earth metal or alkali metal halide impregnated into an inorganic solid oxide selected from the groups consisting of small pore faujasite zeolites, pentasil zeolites, small pore ferrierite zeolites, two-dimensional mordenite zeolites, .beta.-type zeolite, basic zeolites and Group IV oxides or mixtures thereof.

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