Patents by Inventor Houseng Zhong

Houseng Zhong 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).

  • Method for production of insulin containing oil-based preparation for oral
    Publication number: 20040097410
    Abstract: The invention relates to the method for preparation of orally administrated insulin oil formulation comprising: dissolving an amount of insulin in an acidic aqueous buffer (A); adding A to liquid surfactant, the HLB value of which is between 10 and 20, with agitation to form a homogeneous solution (B); adding B to an oil, the HLB value of which is between 0 and 10, with agitation to form oil formulation. This invention has a simple process with low cost. After orally administrated, the formulation prepared with the process of the invention can resist the gastrointestinal degradation by digestive enzymes, and is easily absorbed for hypoglycemic effect.
    Type: Application
    Filed: October 8, 2003
    Publication date: May 20, 2004
    Inventors: Changxue Zheng, Mingxing Duan, Hong Ma, Houseng Zhong