Manufacture of maleic anhydride from butane
US4065468A · kind A · utility
21Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 1976 |
| Grant date | Dec 27, 1977 |
| Priority date | — |
| Expiry date | May 12, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2523/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Maleic anhydride is produced by the reaction of n-butane with a molecular oxygen-containing gas at an elevated temperature in the presence of a catalyst composed of the combined oxides of the elements antimony, molybdenum and at least one member selected from the group consisting of iron and vanadium and optionally one or more oxides of aluminum, boron, tellurium, chromium, cobalt, nickel, copper, bismuth, phosphorus titanium and tungsten.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.