Aqueous dispersion of hydrogel nanoparticles with inverse thermoreversible gelation
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United States of America Patent
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Nov 1, 2011
Grant Date -
May 24, 2007
app pub date -
Dec 9, 2004
filing date -
Dec 9, 2003
priority date (Note) -
Expired
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Abstract
An aqueous dispersion of hydrogel nanoparticles and methods of making the aqueous dispersion of hydrogel nanoparticles having an interpenetrating polymer network (“IPN”) are described. The uniformed sized mono-disperse IPN nanoparticles have inverse thermo gelation properties that allow therapeutic medications to be uniformly distributed in a liquid form of the aqueous dispersion of hydrogel nanoparticles. Such medications can then be released from a solid form of the aqueous dispersion of hydrogel nanoparticles in time dependant manor.
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