Porous membrane and recording medium, as well as process for preparing same
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United States of America Patent
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Jan 10, 2012
Grant Date -
Jul 17, 2008
app pub date -
Jan 28, 2008
filing date -
Aug 5, 2005
priority date (Note) -
Expired
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Abstract
The present invention relates to a process for preparing a microporous membrane comprising the step of impregnating said microporous membrane with a solution, wherein said solution comprises cationic compounds for modifying the chemical and/or physical properties of said microporous membrane. The invention further relates to image recording materials, in which these microporous membranes are used.
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