06264044 is referenced by 61 patents and cites 19 patents.

A three zone, reinforced, continuous, geometrically symmetrical microporous membrane including a porous support material encapsulated within a middle zone disposed between an upper zone and a lower zone wherein at least one of the three zones has a pore size at least about twenty (20%) percent greater than the pore size of the other two zones is disclosed. Apparatus and methods for fabricating three zone reinforced, continuous, geometrically symmetrical, microporous membrane are also disclosed.

Title
Reinforced, three zone microporous membrane
Application Number
9/40979
Publication Number
6264044 (B1)
Application Date
March 18, 1998
Publication Date
July 24, 2001
Inventor
C Thomas Badenhop
Westport
CT, US
Jack H Vining Jr
Coventry
CT, US
Mark T Meyering
Middlefield
CT, US
Agent
Cummings & Lockwood
US
Assignee
Cuno
US
IPC
B01D 39/00
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