Preparation of maleic anhydride
US4244878A · kind A · utility
13Cited by
1References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 4, 1978 |
| Grant date | Jan 13, 1981 |
| Priority date | — |
| Expiry date | Aug 4, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/215
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A catalyst for the oxidation of butane to produce maleic anhydride comprising a substrate containing phosphorus and vanadium, and optionally also containing an activator, is characterized by the presence of at least one post-deposited promoter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.