Compositions containing particles of highly fluorinated ion exchange polymer
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United States of America Patent
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Jan 23, 2007
Grant Date -
Jun 2, 2005
app pub date -
Jan 11, 2005
filing date -
Oct 15, 1996
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Expired
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Abstract
Solid and liquid compositions containing particles of highly fluorinated ion-exchange polymer having sulfonate functional groups with an ion exchange ratio of less than about 33. The compositions contain at least about 25% by weight of polymer particles having a particle size of about 2 nm to about 30 nm.
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