Hydrogenation of maleic anhydride to tetrahydrofuran
US4810807A · kind A · utility
7Cited by
20References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 5, 1988 |
| Grant date | Mar 7, 1989 |
| Priority date | — |
| Expiry date | Jul 5, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J23/8953
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A continuous process for the preparation of tetrahydrofuran comprises, in a single-stage process, catalytically hydrogenating the solution which results when at least one of maleic anhydride or succinic anhydride is dissolved in a monohydric aliphatic alcohol in the presence of hydrogen and a catalyst comprising the mixed oxides of copper, zinc and aluminum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.