Process for the preparation of glycol ethers
US5110992A · kind A · utility
3Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 1990 |
| Grant date | May 5, 1992 |
| Priority date | — |
| Expiry date | Sep 24, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J23/007
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of a glycol ether by reacting an olefin oxide with an excess of an alcohol over a catalyst; characterized in that the catalyst comprises a material which has been prepared by calcination of an anionic double hydroxide clay having a structure comprising magnesium and aluminum in combination, followed by rehydration and subsequent recalcination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.