Title:
【発明の名称】補強された3帯の微孔性膜の製造方法
Document Type and Number:
Japanese Patent JP2002509013
Kind Code:
A
Abstract:
A process for producing 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 for fabricating a three zone, reinforced, continuous, geometrically symmetrical, microporous membrane and the fabricated membrane are also disclosed.
Inventors:
Jack H. Vining
Marc Tie Earrings
Sea Thomas Badenhop
Marc Tie Earrings
Sea Thomas Badenhop
Application Number:
JP2000536552A
Publication Date:
March 26, 2002
Filing Date:
January 15, 1999
Export Citation:
Assignee:
CUNO,INC.
International Classes:
B01D69/10; B01D69/12; B29B15/12; B01D67/00; B32B38/08; D06N3/00; D06N7/00; (IPC1-7): B01D67/00; B01D69/10
Attorney, Agent or Firm:
Aoyama Ryo (1 person outside)