Patents by Inventor Ja Khoo

Ja Khoo 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).

  • Processes for preparing quinolone carboxylate derivatives
    Publication number: 20060058528
    Abstract: Provided is a process for preparing quinolonecarboxylate derivatives under a mild condition in high yield, so as to be favorably applied to a large-scale mass production thereof.
    Type: Application
    Filed: December 19, 2003
    Publication date: March 16, 2006
    Applicant: Yuhan Corporation
    Inventors: Tai Lee, Nam Park, Ja Khoo, Seong Song, Ju An