Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Reexamination Certificate
2006-11-21
2006-11-21
Page, Thurman K. (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
Reexamination Certificate
active
07138551
ABSTRACT:
A process for reducing the level of perfluoroalkanoic acids, perfluoroalkanoic esters, and perfluoroalkyliodides in fluorinated alcohols comprising heating a fluorinated alcohol, or mixtures thereof, containing said acids, esters, or iodides to a temperature of at least 175° C. in the presence of water and a base additive is disclosed.
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Getty Stephen James
Herzog Axel Hans-Joachim
Shtarov Alexander Borisovich
E. I. du Pont de Nemours and Company
Gale Kellette
Page Thurman K.
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