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:
Jan. 29, 2013
Filed:
Aug. 20, 2012
Hsing-wen Sung, Hsinchu, TW;
Kiran Sonaje, Hsinchu, TW;
Zi-xian Liao, Hsinchu, TW;
Ha Giang Thi Nguyen, Hsinchu, TW;
Er-yuan Chuang, Hsinchu, TW;
Hosheng Tu, Newport Beach, CA (US);
Hsing-Wen Sung, Hsinchu, TW;
Kiran Sonaje, Hsinchu, TW;
Zi-Xian Liao, Hsinchu, TW;
Ha Giang Thi Nguyen, Hsinchu, TW;
Er-Yuan Chuang, Hsinchu, TW;
Hosheng Tu, Newport Beach, CA (US);
GP Medical, Inc., Newport Beach, CA (US);
National Tsing Hua University, Hsinchu, TW;
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.