POLYMER MICELLE PHARMACEUTICAL COMPOSITION
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United States of America Patent
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Apr 28, 2016
app pub date -
May 16, 2014
filing date -
May 17, 2013
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Abstract
A polymer micelle pharmaceutical composition is provided and includes: a block copolymer unit α having a hydrophilic polymer chain segment and a hydrophobic polymer chain segment; and a block copolymer unit β having a hydrophilic polymer chain segment and a hydrophobic polymer chain segment, wherein: the block copolymer unit α and the block copolymer unit β are radially arranged in the state in which the hydrophilic polymer chain segments are directed outward and the hydrophobic polymer chain segments are directed inward; and the hydrophobic polymer chain segment of the block copolymer unit α is constituted of repeating units having side chains, at least one of the side chains having a hydrophilic group.
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