| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 12.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
- Mixing liquid CO2 with lubricant comprising solid particles & oil - Filtering mixt through filter medium to retain solid particles - Evaporating CO2 from filtrate; thus recovering pure oil |
| PATENT PHOTOCOPY | Available on request |
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