Company Description (as filed with the SEC)
Polypore International, Inc., a Delaware corporation, is a leading global high-technology filtration company that develops, manufactures and markets specialized microporous membranes used in separation and filtration processes. The microporous membranes we produce are highly-engineered polymeric structures that contain millions of pores per square inch, enabling the management of ions, gases and particles that range in size from the cellular to the nano or molecular level. Our products and technologies are used in two primary businesses: energy storage and separations media. The energy storage business produces and markets membranes that provide the critical function of separating the cathode and anode in a variety of battery markets and is comprised of two reportable segments. ... More ...