Catalytic isomerization processes of...

Details Catalytic isomerization processes of... Catalytic isomerization processes of...

2007-08-31

2008-09-02

Witherspoon, Sikarl A (Department: 1621)

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

Organic compounds

Halogen containing

C570S123000, C570S168000

Reexamination Certificate

active

07420094

ABSTRACT:
The present invention relates to a process of catalyzed isomerization of HFC-1234ze to make HFC-1234yf. The process comprises contacting HFC-1234ze with a suitable catalyst in a reactor to obtain a product mixture comprising HFC-1234yf.

REFERENCES:
patent: 2996665 (1961-08-01), Rausch
patent: 5036036 (1991-07-01), Lerou
patent: 2006/0106263 (2006-05-01), Miller et al.
patent: 2007/0100173 (2007-05-01), Miller et al.
patent: 2007/0100175 (2007-05-01), Miller et al.
patent: WO 2005/108334 (2005-11-01), None
patent: PCT/US2007/014645 (2007-06-01), None

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