The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 28, 2010
Filed:
Jul. 26, 2007
Applicants:
Hsing-wen Sung, Hsinchu, TW;
Yu-hsin Lin, Kaohsiung, TW;
Hsiang-fa Liang, Hsinchu, TW;
Hosheng Tu, Newport Beach, CA (US);
Inventors:
Hsing-Wen Sung, Hsinchu, TW;
Yu-Hsin Lin, Kaohsiung, TW;
Hsiang-Fa Liang, Hsinchu, TW;
Hosheng Tu, Newport Beach, CA (US);
Assignees:
GP Medical, Inc., Newport Beach, CA (US);
National Tsing Hua University, Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 38/00 (2006.01); A61K 31/722 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention discloses the nanoparticles composed of chitosan, poly-γ-glutamic acid, and at least one bioactive agent characterized with a positive surface charge and their enhanced permeability for paracellular drug delivery.