Bloomberg News

Polypore Rejected by U.S. Supreme Court on Microporous Unit Sale

June 24, 2013

The U.S. Supreme Court left intact a Federal Trade Commission order requiring Polypore International Inc. (PPO:US), a maker of battery components, to sell the Microporous unit the company acquired in 2008.

The justices today turned away an appeal filed by Charlotte, North Carolina-based Polypore, leaving in place a lower-court ruling backing the FTC. The consumer-protection agency said the acquisition would reduce competition in the market for battery separators, the microporous membranes that prevent short circuits in lead-acid batteries.

Microporous accounted for 10 percent of Polypore’s 2012 sales, the company said in a regulatory filing in May. Polypore said in that filing that the dispute “will not have a material adverse impact on its business or financial condition.”

The case is Polypore v. Federal Trade Commission, 12-1016.

To contact the reporter on this story: Greg Stohr in Washington at

To contact the editor responsible for this story: Steven Komarow at

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Companies Mentioned

  • PPO
    (Polypore International Inc)
    • $46.79 USD
    • 0.89
    • 1.9%
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