US Patent 7157550 Purification process of thermoprocessable tetrafluoroethylene copolymers
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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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US Patent 07157550 Purification process of thermoprocessable tetrafluoroethylene copolymers US Patent 7157550 Purification process of thermoprocessable tetrafluoroethylene copolymers
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Patent Number
0715755000
Patent Number
715755000
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Patent Jurisdiction
Patent Number
071575500
Date of Patent
January 2, 2007
0Patent Application Number
107906800
Date Filed
March 3, 2004
0Official Website
Patent Primary Examiner
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Infobox
Is a
Patent Jurisdiction
Patent Number
071575500
Date of Patent
January 2, 2007
0Patent Application Number
107906800
Date Filed
March 3, 2004
0Official Website
Patent Primary Examiner
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US Patent 07157550 Purification process of thermoprocessable tetrafluoroethylene copolymers
Infobox
Is a
Patent jurisdiction
Patent number
07157550
Date of patent
January 2, 2007
Patent application number
10790680
Date Filed
March 3, 2004
Patent primary examiner
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