US Patent 7229576 Substituted phenanthropyrans
Patent 7229576 was granted and assigned to Rodenstock GmbH on June, 2007 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
March 17, 2006
Date of Patent
June 12, 2007
Patent Application Number
11377357
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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