Polypore Files for $362 Million IPO

Polypore International Inc., a Charlotte, N.C.-based supplier of filtration products, has filed for a $362.25 million IPO. It plans to trade on the NYSE under ticker symbol PPO, with JPMorgan serving as lead underwriter. Warburg Pincus acquired the company in 2004 from GTCR Golder-Rauner and The InterTech Group. www.polypore.net< ?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />