Batch or semicontinuous pseudocumene oxidation and catalyst recovery and recycle
US4769488A · kind A · utility
3Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 23, 1985 |
| Grant date | Sep 6, 1988 |
| Priority date | — |
| Expiry date | Oct 23, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/584
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method is disclosed for the liquid-phase oxidation of pseudocumene in the presence of an oxidation catalyst comprising cobalt, manganese, and bromine components wherein the metal catalyst are recycled to the oxidation reactor in the form of their oxalates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.