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US09248414B2 Large pore polymeric membrane 有权
大孔聚合物膜

Large pore polymeric membrane
Abstract:
Porous membranes including a first microporous skin surface having a pore density of at least about 20 pores/50,000 μm2, and a second porous surface, and a bulk between the surfaces, wherein the bulk has a pore density of at least about 120 pores/mm2, as well as methods of using and methods of making the membranes are disclosed.
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