Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Richard D. McCullough0
Mihaela C. Iovu0
Date of Patent
March 2, 2010
0Patent Application Number
118492200
Date Filed
August 31, 2007
0Patent Primary Examiner
Patent abstract
Metal complexing agents are used to purify polymers including conducting polymers to provide very low metal content. The process comprises precipitating the polymer in solution into a solvent system comprising the metal complexing agent. Very low levels including undetectable levels of metals such as nickel and magnesium can be achieved. High purity polymers are used in electronics and photovoltaic applications.
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