05500167 is referenced by 39 patents and cites 32 patents.

The present invention provides a supported microporous filtration membrane comprising a porous nonwoven fibrous support material having first and second sides, and a continuous microporous membrane having first and second zones, wherein the first side of the support material is integral with the first zone while not protruding into the second zone, and the first zone has a pore size at least about 50% greater than the pore size of the second zone. A method of preparing such a supported microporous membrane is also provided by the present invention.

Title
Method of preparing a supported microporous filtration membrane
Application Number
91152
Publication Number
5500167
Application Date
May 26, 1995
Publication Date
March 19, 1996
Inventor
Peter J Degen
Huntington
NY, US
Agent
Leydig Voit & Mayer
Assignee
Pall Corporation
NY, US
IPC
B01D 29/00
B29C 65/00
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