Method for altering morphology of block copolymer
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United States of America Patent
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May 23, 2007
filing date -
Nov 24, 2004
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Abstract
The invention provides a pharmaceutical formulation comprising drug-encapsulated polymer micelles formed from a block copolymer having a hydrophilic segment and hydrophobic segment, and has been subjected to high-pressure treatment. The invention also provides a treatment method for a block copolymer having a hydrophilic segment and a hydrophobic segment for formation of drug-encapsulated polymer micelles, the treatment method comprises a step of subjecting the block copolymer to high-pressure treatment.
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