| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 02.00 |
| PATENT ASSIGNEE | Tetra Technologies |
| PATENT CLAIMS |
Process for extracting bitumen from tar sand comprising bitumen & water - Contacting bitumen from tar sand with diluent to form mixt - At same time, contact. said mixt with an alkoxylalkylphenol alkoxylate surfactant to form bitumen/surfactant mixt - Separating bitumen/surfactant mixt to form a recoverable hydrocarbon portion & separate water portion |
| PATENT PHOTOCOPY | Available on request |
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