MICROPOROUS FILTER MEDIA

Microporous fluid-permeable filter media are provided which are especially adapted for removing microscopic or ultrafine particles of sub-micron size from the medium in which they are suspended. The microporous fluid-permeable sub-micron filter media of the present invention comprise a polymeric res...

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Bibliographische Detailangaben
1. Verfasser:	BRUCE SAUL GOLDBERG
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	Microporous fluid-permeable filter media are provided which are especially adapted for removing microscopic or ultrafine particles of sub-micron size from the medium in which they are suspended. The microporous fluid-permeable sub-micron filter media of the present invention comprise a polymeric resinous matrix having an inorganic filler dispersed throughout the resinous matrix, and a network of micro-voids or pores formed in the resinous matrix, between the particles of dispersed filler and the resinous matrix, and between neighboring particles of the filler with the size distribution of such pores being relatively non-uniform.