Celgard Files Lawsuit Against Targray International

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CHARLOTTE, N.C., May 3, 2019 – 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 lithium batteries. Specifically, Celgard is pursuing claims against Targray for selling infringing ceramic coated separators made by Shenzhen Senior Technology Material Co., Ltd. (“Senior”) in Shenzhen, China.


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