Process for the production of gamma-butyrolactone
US5698713A · kind A · utility
2Cited by
7References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 1997 |
| Grant date | Dec 16, 1997 |
| Priority date | — |
| Expiry date | Feb 20, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D315/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a process for the production of gamma-butyrolactone from maleic anhydride or succinic anhydride by hydrogenation in the presence of a catalyst composition comprising the mixed oxides of copper, zinc and zirconium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.