Process for the purification of fluoromethyl...

Details Process for the purification of fluoromethyl... Process for the purification of fluoromethyl...

2006-03-28

2006-03-28

Keys, Rosalynd (Department: 1621)

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

Organic compounds

Oxygen containing

C568S683000

Reexamination Certificate

active

07019178

ABSTRACT:
A process for the purification of fluoromethyl hexafluoroisopropyl ether involving contacting a crude composition containing impure fluoromethyl hexafluoroisopropyl ether with an adsorbent having pores with a range of pore sizes whereby the difference between the smallest and largest pore size is at least 1 nm. The adsorbent suitably is a form of silica, alumina, or carbon.

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patent: 6443150 (2002-09-01), Pessala et al.
patent: 2003/0180209 (2003-09-01), Gordeev et al.

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