Catalytic production processes for making...

Details Catalytic production processes for making... Catalytic production processes for making...

2011-07-19

2011-07-19

Katakam, Sudhakar (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

C570S157000

Reexamination Certificate

active

07982073

ABSTRACT:
A process is disclosed for making CF3CF═CHF. The process involves contacting at least one hexafluoropropane selected from the group consisting of CF3CF2CH2F and CF3CHFCHF2with a chromium oxyfluoride catalyst in a reactor to obtain a product mixture comprising CF3CF═CHF, and recovering CF3CF═CHF from the product mixture.A process is disclosed for making CF3CH═CHF. The process involves contacting CF3CH2CHF2with a chromium oxyfluoride catalyst in a reactor to obtain a product mixture comprising CF3CH═CHF, and recovering CF3CH═CHF from the product mixture.A process is disclosed for making CF3CF═CH2. The process involves contacting CF3CF2CH3with a chromium oxyfluoride catalyst in a reactor to obtain a product mixture comprising CF3CF═CH2, and recovering CF3CF═CH2from the product mixture.

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