| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 08.00 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
- Adding to impure CF2H2; chlorine at rate such that concn of Cl rel to F2H2C in distn column is < flammability threshold of 22% - Azeotropic distn of CF2H2/Cl mixt |
| PATENT PHOTOCOPY | Available on request |
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