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Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Klaus Hintzer0
Tilman Zipplies0
Gernot Loehr0
Michael C. Dadalas0
Date of Patent
March 11, 2008
Patent Application Number
10957898
Date Filed
October 4, 2004
Patent Primary Examiner
Patent abstract
The present invention provides an aqueous non-melt processible polytetrafluoroethylene dispersion comprising non-melt processible polytetrafluoroethylene particles in an amount between 30 and 70% by weight based on the total weight of the dispersion and one or more non-ionic surfactants and wherein at least a part of said non-melt processible polytetrafluoroethylene particles comprise polytetrafluoroethylene polymer chains having repeating units comprising ionic groups. The invention further provides a method for obtaining the dispersions.
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