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Title:
POROUS POLYMER FILM AND PRODUCTION METHOD FOR POROUS POLYMER FILM
Document Type and Number:
WIPO Patent Application WO/2012/176810
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a porous polymer film having excellent permeability and alkali resistance and also having excellent mechanical strength. The present invention is a porous polymer film characterized by comprising a fluoropolymer (A) having a vinylidene fluoride unit and a tetrafluoroethylene unit.

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Inventors:
SHIOTANI YUKO
TANAKA YOSHITO
MIKI JUN
Application Number:
PCT/JP2012/065761
Publication Date:
December 27, 2012
Filing Date:
June 20, 2012
Export Citation:
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Assignee:
DAIKIN IND LTD (JP)
SHIOTANI YUKO
TANAKA YOSHITO
MIKI JUN
International Classes:
C08F214/22; B01D71/34; B01D71/36; C08F8/00; C08F214/26; C08J9/28
Domestic Patent References:
WO1992009357A11992-06-11
WO2003106545A12003-12-24
Foreign References:
JPS56152851A1981-11-26
JPH01247448A1989-10-03
JPH02502832A1990-09-06
JPH0366714A1991-03-22
JPS58142905A1983-08-25
JPH11269225A1999-10-05
JP2009203584A2009-09-10
JPH10512194A1998-11-24
JPS63248405A1988-10-14
JPS63248406A1988-10-14
JPS5898105A1983-06-10
JP2003138422A2003-05-14
JP2003236351A2003-08-26
JPH0338228A1991-02-19
JPH0338227A1991-02-19
JP2005522316A2005-07-28
JPS614504A1986-01-10
JPS6311370B21988-03-14
JP2007167839A2007-07-05
Attorney, Agent or Firm:
YASUTOMI & Associates (JP)
Patent business corporation Yasutomi international patent firm (JP)
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