| http://www.w3.org/ns/prov#value | - In other embodiments of the present invention, non-PTFE membranes (webs) can compromise non-woven, polymeric macro- or microfibers preferably selected from the group of polymers consisting of polyamide, polyolefin, polyester, polyurethane, polyvinylhalide, or inorganic materials such as glass fiber, or a combination thereof. (If a combination of polymers is used, a bicomponent fiber may be obtaine
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