Heterogeneous catalyst for alkoxylation of alcohols
US5256828A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 25, 1993 |
| Grant date | Oct 26, 1993 |
| Priority date | — |
| Expiry date | Feb 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.