Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 16, 2008
Patent Application Number
10231791
Date Filed
August 29, 2002
Patent Primary Examiner
Patent abstract
A method of forming microspheres of a bioactive material, such as a protein polymer or drug by nebulizing a solubilized form of a material to be encapsulated and an encapsulating material, such as albumin, in a stirred chilled solvent system comprising a vegetable oil, mineral oil and/or a lower alcohol such that the formed microspheres demonstrate intracellular bioactivity when taken up by macrophages.
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