| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 04.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Mfg process by cyclohexane air oxidation - Reacting cyclohexane with air to produce first mixt compri sing cyclohexanol (I), cyclohexanone (II), cyclohexylhydro peroxide (III) & cyclohexane (IV) - Reacting (III) with aq caustic to produce second mixt compri sing organic phase of (I), (II) & (IV) & aq phase of water & caustic - Sepg aq/organic phases of second mixt - Contacting organic phase with water (including polyprotic acid capable of neutralizing caustic & forming buffer pH 7 - 9.5) to extract portion of caustic - Distilling organic phase to separate (IV) from (I) & (II) Whereby oligomerization of (II) is eliminated |
| PATENT PHOTOCOPY | Available on request |
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