US Patent 7250274 IL-21 production in prokaryotic hosts
Patent 7250274 was granted and assigned to ZymoGenetics on July, 2007 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
December 12, 2003
Date of Patent
July 31, 2007
Patent Application Number
10735149
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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