Batch or semicontinuous pseudocumene oxidation and catalyst recovery and recycle
US4876385A · kind A · utility
0Cited by
2References
6Claims
0Family size
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Key dates
| Filing date | Mar 25, 1988 |
| Grant date | Oct 24, 1989 |
| Priority date | — |
| Expiry date | Mar 25, 2008 |
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.