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:
Dec. 25, 2012
Filed:
Mar. 12, 2012
Applicants:
Hsing-wen Sung, Hsinchu, TW;
Kiran Sonaje, Hsinchu, TW;
Ho-ngoc Nguyen, Hsinchu, TW;
Er-yuan Chuang, Hsinchu, TW;
Hosheng Tu, Newport Beach, CA (US);
Inventors:
Hsing-Wen Sung, Hsinchu, TW;
Kiran Sonaje, Hsinchu, TW;
Ho-Ngoc Nguyen, Hsinchu, TW;
Er-Yuan Chuang, 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:
Int. Cl.
CPC ...
A61K 51/00 (2006.01); A61K 36/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention discloses a pharmaceutical composition of bioactive nanoparticles composed of chitosan, poly-glutamic acid, and a bioactive agent for oral delivery. The chitosan-based nanoparticles are characterized with a positive surface charge and enhanced permeability for oral drug delivery.