Polyurethanes
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United States of America Patent
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Feb 2, 2010
Grant Date -
Jul 28, 2005
app pub date -
Jan 27, 2005
filing date -
Jan 27, 2004
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Abstract
Polyurethanes-urea based on perfluoropolyethers comprising ionizable groups and pendant groups having the following structure: --R.sup.I--Si(OR.sup.II).sub.n(OH).sub.3-n (I) wherein: R.sup.I is alkylene from 1 to 10 carbon atoms; R.sup.II is an alkyl group from 1 to 4 carbon atoms; n is an integer from 0 to 3.
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