Membranes
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United States of America Patent
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Mar 7, 2017
Grant Date -
Jul 9, 2015
app pub date -
Jun 26, 2013
filing date -
Jun 26, 2012
priority date (Note) -
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Abstract
A composite membrane comprising: a. a porous support; b. a polymeric layer comprising dialkylsiloxane groups and a metal, the polymeric layer being present on the porous support; c. a discriminating layer present on the polymeric layer; and d. optionally a protective layer present on the discriminating layer wherein the polymeric layer has a molar ratio of metal:silicon of at least 0.0005.
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