Patents by Inventor Ha Giang Thi Nguyen

Ha Giang Thi Nguyen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8574544
    Abstract: The invention discloses a pharmaceutical composition of nanoparticles consisting of chitosan, a negatively charged substrate, and at least one bioactive agent that is encapsulated within cucurbiturils for oral delivery. The chitosan-based nanoparticles are characterized with a positive surface charge and enhanced permeability for oral drug delivery.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: November 5, 2013
    Assignees: GP Medical, Inc., National Tsing Hua University
    Inventors: Hsing-Wen Sung, Ha Giang Thi Nguyen, Fang Yi Su, Er-Yuan Chuang, Zi-Xian Liao, Hosheng Tu
  • Patent number: 8535640
    Abstract: The invention discloses a composition of nanoparticles composed of positively charged chitosan, one negatively charged substrate, and optionally a zero-charge compound or at least one tumor necrosis factor inhibitor for oral delivery. The chitosan-based nanoparticles are characterized with a positive surface charge and enhanced permeability for oral drug delivery.
    Type: Grant
    Filed: February 25, 2013
    Date of Patent: September 17, 2013
    Assignees: GP Medical, Inc., National Tsing Hua University
    Inventors: Hsing-Wen Sung, Ha Giang Thi Nguyen, Fang Yi Su, Li-Wen Hsu, Er-Yuan Chung, Hosheng Tu
  • Patent number: 8361439
    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.
    Type: Grant
    Filed: August 20, 2012
    Date of Patent: January 29, 2013
    Assignees: GP Medical, Inc., National Tsing Hua University
    Inventors: Hsing-Wen Sung, Kiran Sonaje, Zi-Xian Liao, Ha Giang Thi Nguyen, Er-Yuan Chuang, Hosheng Tu
  • Patent number: 8354094
    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.
    Type: Grant
    Filed: August 20, 2012
    Date of Patent: January 15, 2013
    Assignees: GP Medical, Inc., National Tsing Hua University
    Inventors: Hsing-Wen Sung, Kiran Sonaje, Zi-Xian Liao, Ha Giang Thi Nguyen, Er-Yuan Chuang, Hosheng Tu
  • Patent number: 8287905
    Abstract: The invention discloses a composition of chitosan-shelled nanoparticles and methods of manufacturing. The chitosan-shelled nanoparticles are characterized with a positive surface charge and enhanced epithelial permeability for oral drug delivery.
    Type: Grant
    Filed: April 3, 2012
    Date of Patent: October 16, 2012
    Assignees: GP Medical, Inc., National Tsing Hua Univresity
    Inventors: Hsing-Wen Sung, Er-Yuan Chuang, Ha Giang Thi Nguyen, Fang Yi Su, Kiran Sonaje, Hosheng Tu
  • Patent number: 8226928
    Abstract: The invention discloses nanoparticles composed of chitosan, poly-glutamic acid, and at least one bioactive agent, wherein the bioactive agent may include mitofusin 1, mitofusin 2, and/or anti-diabetic compounds.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: July 24, 2012
    Assignees: GP Medical, Inc., National Tsing Hua University
    Inventors: Hsing-Wen Sung, Kiran Sonaje, Ho-Ngoc Nguyen, Ha Giang Thi Nguyen, Fang Yi Su, Er-Yuan Chuang, Hosheng Tu