| PATENT ASSIGNEE'S COUNTRY | UK |
| UPDATE | 04.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Mfg process - Producing compn comprising C2HClF4 (I) contaminated with C2Cl2F4 (II) - Separating (I) & (II) - Contacting (I) with HF in presence of fluorination catalyst |
| PATENT PHOTOCOPY | Available on request |
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