| PATENT ASSIGNEE'S COUNTRY | Germany |
| UPDATE | 08.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
- Reacting phenol-2-OMe with 1,2-dibromo-1,1,2,2-tetrafluoro ethane in presence of acid binder to obtain Benzene-1-(O-CF2-CF2-Br)-2-OMe (I) - Subjecting (I) to ether cleavage to obtain: Phenol-2-(O-CF2-CF2-Br) (II) - Cyclocondensing (II) in presence of acid binder |
| PATENT PHOTOCOPY | Available on request |
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