Membrane comprising oxyethylene groups
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United States of America Patent
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May 15, 2012
Grant Date -
Jun 24, 2010
app pub date -
May 26, 2008
filing date -
May 24, 2007
priority date (Note) -
Expired
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Abstract
The present invention relates to a membrane wherein said membrane comprises a polymerized composition that comprised prior to polymerization at least one type of compound comprising at least 70 oxyethylene groups and at least two polymerizable groups. The invention further relates to the use of this membrane for separating polar gases and vapors.
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