Biodegradable diblock copolymers having reverse thermal gelation properties and methods of use thereof
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United States of America Patent
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Issued Date -
Feb 16, 2006
app pub date -
Aug 16, 2004
filing date -
Aug 16, 2004
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Abandoned
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Abstract
A water soluble, biodegradable AB type diblock copolymer which comprises 61 to 85% by weight of a biodegradable, hydrophobic A block comprising a biodegradable polyester, and 15 to 39% by weight of a biocompatible, hydrophilic B block comprising a monofunctional polyethylene glycol(PEG) having a number average molecular weight less than 5000, and wherein said diblock copolymer has a number average molecular weight less than 15000 and possesses reverse thermal gelation properties.
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