Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 2, 2007
Patent Application Number
10790680
Date Filed
March 3, 2004
Patent Primary Examiner
Patent abstract
A purification process of thermoprocessable tetrafluoroethylene (TFE) copolymers comprising the following steps:A) the polymer latex is transformed into gel form, under mechanical stirring, by addition of an acid electrolyte having pH values≦2;B) washing of the polymer gel with aqueous solutions having pH from 1 to 7.
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