MTI and several related MTI companies agreed to stop selling all coated and uncoated battery separators.
MTI and the several related MTI companies agreed to not challenge the validity or enforceability of Celgard’s United States Patent No. 6,432,586 on ceramic coated separators for high energy rechargeable lithium-ion batteries, of Celgard’s related patents, and of Celgard’s related trademarks.
The other terms of the settlement are confidential.
In the public litigation filings, MTI did not assert any defenses of non-infringement or challenge the validity or enforceability of Celgard’s United States Patent No. 6,432,586.
The successful outcome of these cases further solidifies the integrity of Celgard’s global intellectual property regarding ceramic coated separators for lithium-ion batteries, as well as Celgard’s brand and trademarks.
About Celgard and Polypore
Celgard specializes in coated and uncoated dry-process microporous membranes used as separators that are a major component of lithium-ion batteries. Celgard’s battery separator technology is important to the performance of lithium-ion batteries for electric drive vehicles, energy storage systems and other applications.
Celgard, LLC is a wholly-owned subsidiary of Polypore International, LP, an Asahi Kasei Company.
Polypore is a global company with facilities in nine countries specializing in microporous membranes used in electric and nonelectric vehicles, energy storage systems and specialty applications. Visit www.celgard.com and www.polypore.com.
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