Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hsiang-Fa Liang0
Hsing-Wen Sung0
Hosheng Tu0
Date of Patent
January 18, 2011
Patent Application Number
12456927
Date Filed
June 24, 2009
Patent Primary Examiner
Patent abstract
The invention discloses the nanoparticles composed of chitosan, poly-glutamic acid, and at least one protein drug or bioactive agent characterized with a positive surface charge and their enhanced permeability for paracellular protein drug and bioactive agent delivery.
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