Patents by Inventor Young-cha Choi

Young-cha Choi 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).

  • Patent number: 4919933
    Abstract: A composition and method of use for the treatment of pain and inflammation associated with dental disease is disclosed. The composition comprises pine resin and salt in a 1:1-5 parts by weight relationship which is prepared by mixing the pine resin and salt, heating the mixture while stirring, cooling and grinding the resulting solid to a powder form.
    Type: Grant
    Filed: November 10, 1988
    Date of Patent: April 24, 1990
    Inventors: Hae-chul Park, Young-cha Choi, Kyung-dong Park, Mi-ae Park, Kyu-dong Park