| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 06.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Method of removing catalyst from reaction mixt contg adipic acid, the reaction mixt having been formed after reaction of cyclohexane with an oxidant in presence of catalyst, water & AcOH solvent, in an oxidation zone, comprising - Precipitating part of catalyst in first catalyst precipitation zone by removing water at least partially from reaction mixt &/or controlling T to be adequately high for causing partial catalyst precipitation - Removing the precipitated catalyst, thus forming a second mother liquor comprising dissolved catalyst, AcOH solvent & adipic acid - Removing partially AcOH solvent & melting adipic acid until catalyst precipitates in second catalyst precipitation zone - Removing the precipitated catalyst |
| PATENT PHOTOCOPY | Available on request |
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