Entegris, Inc.
POROUS POLYMERIC MEMBRANE AND RELATED FILTERS AND METHODS

Abstract:

Described are porous polymeric membranes that include two opposing sides and that have a variable pore structure through a thickness of the membrane; filter components and filters that include this type of porous polymeric membrane; methods of making the membranes, filter components, and filters; and methods of using the polymeric filter membrane, filter component, or filter.