Patents by Inventor Jiangxu Zhu

Jiangxu Zhu 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).

  • Direct coating solid dosage forms using powdered materials
    Patent number: 8161904
    Abstract: The present invention provides a method and apparatus for dry coating solid dosage forms. The method includes the steps of placing solid dosage forms in a rotatable, electrically grounded housing, and spraying a film forming polymer powder composition into the housing during rotation thereof to form a polymer coating on the solid dosage forms, the polymer powder composition being sprayed using an electrostatic spray gun, and curing the coated solid dosage forms.
    Type: Grant
    Filed: November 15, 2010
    Date of Patent: April 24, 2012
    Assignee: The University of Western Ontario
    Inventors: Jiangxu Zhu, Yanfeng Luo, Ying Liang Ma, Hui Zhang
  • DIRECT COATING SOLID DOSAGE FORMS USING POWDERED MATERIALS
    Publication number: 20110114019
    Abstract: The present invention provides a method and apparatus for dry coating solid dosage forms. The method includes the steps of placing solid dosage forms in a rotatable, electrically grounded housing, and spraying a film forming polymer powder composition into the housing during rotation thereof to form a polymer coating on the solid dosage forms, the polymer powder composition being sprayed using an electrostatic spray gun, and curing the coated solid dosage forms.
    Type: Application
    Filed: November 15, 2010
    Publication date: May 19, 2011
    Applicant: THE UNIVERSITY OF WESTERN ONTARIO
    Inventors: Jiangxu ZHU, Yanfeng LUO, Ying Liang MA, Hui ZHANG