A filter media structure, which is capable of operating in the micro- and nanofiltration regime, offers: low cost, durability, high temperature and chemical resistance, high permeability, high flow rate, low pressure drop across the filter media, high mechanical strength, separation efficiency, and biocompatibility....http://www.google.com.au/patents/US6155432?utm_source=gb-gplus-sharePatent US6155432 - High performance filters based on inorganic fibers and inorganic fiber whiskers
