Celgard Files Lawsuit Against Targray International for Patent Infringement of Ceramic Coated Separators Used in Lithium Batteries

CHARLOTTE, N.C., May 3, 2019 /PRNewswire/ -- Celgard, LLC ("Celgard"), a subsidiary of Polypore International, LP, filed a complaint in U.S. District Court for the Northern District of California against Targray International of Canada ("Targray"), seller of various battery separators for ...

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