Celgard Files Lawsuit Against Targray International for Patent...
CHARLOTTE, North Carolina, May 3, 2019 /PRNewswire-AsiaNet/ -- 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 li...
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