Patents by Inventor Hye-sung Yoon

Hye-sung Yoon 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).

  • Publication number: 20030187476
    Abstract: The present invention relates to a monofilament suture prepared by co-extruding polymers having different Young's moduli and to a process for preparing the same. The suture is prepared in such a form that a polymer having a high Young's modulus surrounds a polymer having a low Young's modulus. The monofilament suture prepared by the present invention has excellent knot security, flexibility and/or knot strength.
    Type: Application
    Filed: August 13, 2002
    Publication date: October 2, 2003
    Inventors: Jung-Nam Im, Jang-Il Seo, Chong-Taek Hong, Hye-Sung Yoon, Chaul-Min Pai
  • Patent number: 5817314
    Abstract: A novel saponin component having a molecular weight of about 956 daltons, a process for isolating the saponin component from the bark of Quillaja saponaria Molina, a vaccine formulation comprising the saponin component as an immune adjuvant, a method for increasing the immune response to an antigen by employing an adjuvant composition comprising saponin component and a second adjuvant.
    Type: Grant
    Filed: December 6, 1996
    Date of Patent: October 6, 1998
    Assignee: LG Chemical Ltd.
    Inventors: Hong-Seob So, Hye-Sung Yoon, Young-Sun Kwon, Joong-Myung Cho