US Patent 7220914 Zwitterionic compounds and photovoltaic cells containing same
Patent 7220914 was granted and assigned to Konarka Technologies on May, 2007 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
November 30, 2004
Date of Patent
May 22, 2007
Patent Application Number
11000276
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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