Patents by Inventor Duck Jong Han

Duck Jong Han 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).

  • Colchicine derivatives or pharmaceutically acceptable salts thereof, method for preparing said derivatives, and pharmaceutical composition comprising said derivatives
    Patent number: 8927760
    Abstract: The present invention relates to colchicine derivatives expressed in chemical formula 1, or to pharmaceutically acceptable salts thereof, to a method for preparing said derivatives, and to a pharmaceutical composition comprising said derivatives. The colchicine derivatives according to the present invention exhibit superior immunomodulatory effects as compared with conventional immunomodulators or colchicines, and therefore can be valuably used as an immunomodulator for modulating an acute or chronic immune response in organ transplantation.
    Type: Grant
    Filed: February 18, 2011
    Date of Patent: January 6, 2015
    Assignee: The Asan Foundation
    Inventors: Duck Jong Han, Sung-eun Yoo, Jeehee Suh
  • COLCHICINE DERIVATIVES OR PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF, METHOD FOR PREPARING SAID DERIVATIVES, AND PHARMACEUTICAL COMPOSITION COMPRISING SAID DERIVATIVES
    Publication number: 20130011417
    Abstract: The present invention relates to colchicine derivatives expressed in chemical formula 1, or to pharmaceutically acceptable salts thereof, to a method for preparing said derivatives, and to a pharmaceutical composition comprising said derivatives. The colchicine derivatives according to the present invention exhibit superior immunomodulatory effects as compared with conventional immunomodulators or colchicines, and therefore can be valuably used as an immunomodulator for modulating an acute or chronic immune response in organ transplantation.
    Type: Application
    Filed: February 18, 2011
    Publication date: January 10, 2013
    Inventors: Duck Jong Han, Sung-eun Yoo, Jeehee Suh