| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 02.00 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Petroleum wax sepn process in waxy feedstock - Combining a cosolvent-free solvent with waxy feedstock - Adding cosolvent to above mixt to cause wax to precipitate & form a first feedstock/solvent/cosolvent slurry, said cosolvent being immiscible with wax at & < mixing T, immiscible with oil, miscible with feedstock/solvent mixt & significantly miscible with water - Filtering slurry to form first wax prodt & first filtrate - Adding cosolvent to first filtrate to induce additional wax precipitation & form second slurry - Filtering second slurry to form second filtrate & second wax prodt |
| PATENT PHOTOCOPY | Available on request |
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