B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
183/109
B01D 39/16 (2006.01) A62B 23/02 (2006.01) D04H 1/56 (2006.01)
Patent
CA 1327945
Abstract of the Invention Elastomeric nonwoven fibrous fluid filter media for removal of particulate contaminants from the fluid are provided. The filter media comprises thermoplastic elastomeric melt-blown small diameter fibers, the small diameter fibers being randomly arrayed, the filter media having substantially uniform stretch properties in all directions and whose filtration properties are independent of filter media elongations sufficient to increase the filter media surface area at least aout 10 percent. The filter media is particularly useful as a prefilter on respirators.
596571
Braun David L.
Meyer Daniel E.
Rekow Peter O.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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