Patents by Inventor Ming Hao Zheng

Ming Hao Zheng 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).

  • Methods for purifying insoluble bone gelatin
    Publication number: 20030065392
    Abstract: The present invention provides methods for purifying insoluble bone gelatin and uses for insoluble bone gelatin. The process for isolating insoluble bone gelatin from bone tissue includes grinding the bone tissue into bone powder; washing the bone powder with saline; demineralizing the bone tissue; contacting the bone powder with a neutral salt; and contacting the bone powder with a stabilizer. The present invention also discloses an insoluble bone gelatin including about 10 percent growth factor. Insoluble bone gelatin is useful, for example, in preparing impaction bone grafts.
    Type: Application
    Filed: September 4, 2002
    Publication date: April 3, 2003
    Applicant: Perth Bone and Tissue Bank, Inc.
    Inventors: Ying Fan, Ming Hao Zheng, David Wood