Patents by Inventor Yoon-Jeon Park

Yoon-Jeon Park 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 preparing a prion-free bond grafting substitute
    Patent number: 8586099
    Abstract: The present invention relates to a method for preparing a bone graft substitute using bovine bone, and more particularly to a method for preparing a safe bone graft substitute which does not have the risk of infection with bovine spongiform encephalopathy, the method comprising treating bovine bone with sodium hypochlorite and treating the treated bone at a high temperature of more than 600° C. The bone graft substitute does not cause an immune response, because it is prepared by effectively removing lipids and organic substances from bovine bone having a structure very similar to that of the human bone. Also, it has excellent osteoconductivity, and is free of prion, and thus it does not have the risk of infection with bovine spongiform encephalopathy. According to the disclosed invention, the bone graft substitute having such advantages can be prepared in a simple manner.
    Type: Grant
    Filed: May 12, 2006
    Date of Patent: November 19, 2013
    Assignee: Seoul National University Industry Foundation
    Inventors: Sang-Hoon Rhee, Choong-Pyoung Chung, Yoon-Jeon Park
  • METHOD FOR PREPARING A PRION-FREE BOND GRAFTING SUBSTITUTE
    Publication number: 20090304807
    Abstract: The present invention relates to a method for preparing a bone graft substitute using bovine bone, and more particularly to a method for preparing a safe bone graft substitute which does not have the risk of infection with bovine spongiform encephalopathy, the method comprising treating bovine bone with sodium hypochlorite and treating the treated bone at a high temperature of more than 600° C. The bone graft substitute does not cause an immune response, because it is prepared by effectively removing lipids and organic substances from bovine bone having a structure very similar to that of the human bone. Also, it has excellent osteoconductivity, and is free of prion, and thus it does not have the risk of infection with bovine spongiform encephalopathy. According to the disclosed invention, the bone graft substitute having such advantages can be prepared in a simple manner.
    Type: Application
    Filed: May 12, 2006
    Publication date: December 10, 2009
    Applicant: SEOUL NATIONAL UNIVERSITY INDUSTRY FOUNDATION
    Inventors: Sang-Hoon Rhee, Chong-Pyoung Chung, Yoon-Jeon Park