Method for altering morphology of block copolymer
AssigneeNanocarrier Co., Ltd.
InventorsYasuo Yamamoto, Miho Kokubo
Life of this patent
Estimating the term…
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.
Claims20
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 comprising subjecting the block copolymer to high-pressure treatment.
The method according to claim 2, wherein the high-pressure treatment is carried out by subjecting a solution containing the block copolymer to ultrahigh-pressure dispersion/emulsification.
Dependencies are inferred from the claim text.