| abstract |
The present invention relates to porous polyethylene filter membranes with asymmetric pore structures, and related filters and methods. The present invention describes a liquid-flowable, porous polyethylene filter membrane comprising two opposite sides and having an asymmetric pore structure; filter assemblies and filters including porous polyethylene filter membranes of this type; manufacture of the porous polyethylene filter membrane , filter assemblies, and methods of filters; and methods of filtering fluids, such as liquid chemicals, using porous polyethylene membranes, filter assemblies, or filters to remove undesired materials from the fluid. |