Two stage maleic anhydride process
US4116983A · kind A · utility
2Cited by
3References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 24, 1977 |
| Grant date | Sep 26, 1978 |
| Priority date | — |
| Expiry date | May 24, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/313
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Benzene is oxidized with air to produce maleic anhydride in catalyst-containing reactors arranged in series, the gaseous effluent from the first reactor being passed to the second reactor after introduction of substantial amounts of benzene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.