Celgard files patent infringement lawsuit against LG Chem over Li-ion separator technology
Green Car Congress
JANUARY 31, 2014
filed a complaint in the US District Court of the Western District of North Carolina against LG Chem, Ltd. The complaint alleges that LG has infringed Celgard’s United States Patent Nº 6,432,586 issued for an invention entitled “Separator for a High Energy Rechargeable Lithium Battery.”. and LG Chem America, Inc.
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