State of Battery IP: Top Companies in Separators

by DeAnna Hoy

Top Companies: Separators


More than 400  U.S. patent applications related to separators published between July 1, 2013 – June 30, 2014.  Olefins and plastics were the primary focus of these companies’ innovation, though LG Chem also appears to have a strong interest in cellulosic separators. LG Chem was the clear leader in separator patenting. 

Below is a handful of patents that were added to LG Chem’s portfolio last year.  For complete access to all separator-related patents,  subscribe  to the ABC PatentEdge database.

Separators - LG Chem
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