Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yun Liu
Chunxia Zhao
Date of Patent
September 26, 2023
Patent Application Number
17059770
Date Filed
May 31, 2019
Patent Citations
Patent Primary Examiner
Patent abstract
A method of forming a core-shell polymer nanoparticle encapsulating an active agent is disclosed, including the use of a multi-solvent system in which to dissolve the active agent and a polymer prior to their precipitation using an antisolvent. The preferred use of an organic solvent system comprising two or more organic solvents allows for a high degree of control, as compared with the use of a single solvent, and enables the active agent to be precipitated more or less simultaneously with, or just prior to, the polymer.
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