Patents by Inventor Ki Won Jun

Ki Won Jun 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).

  • Process for preparing cyclohexanol and cyclohexanone
    Patent number: 6075170
    Abstract: This invention relates to a process for preparing cyclohexanol and cyclohexanone, in particular, to a process for preparing cyclohexanol and cyclohexanone by selectively oxidizing cyclohexane with Fe/Pd catalyst in a flow of hydrogen and oxygen gases in the mixture of acetone and acetic acid.
    Type: Grant
    Filed: September 1, 1998
    Date of Patent: June 13, 2000
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Ki Won Jun, Sang Bum Kim, Seong Bo Kim, Kyu Wan Lee
  • Process for preparing hydrocarbons
    Patent number: 5952540
    Abstract: This invention relates to a process for preparing hydrocarbons, in particular hydrogenation of carbon dioxide over Fe-K/Al.sub.2 O.sub.3 catalyst, which is reduced in hydrogen and activated in the mixture of carbon dioxide and hydrogen.
    Type: Grant
    Filed: January 26, 1998
    Date of Patent: September 14, 1999
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Kyu Wan Lee, Myoung Jae Choi, Ki Won Jun, Pyoung Ho Choi, Soo Jae Lee
  • Catalyst and method for preparing mixture of cyclohexanol and cyclohexanone
    Patent number: 5208392
    Abstract: The present invention provides a novel Fe-Pd catalyst prepared by impregnating, either together or respectively, an iron source compound and a palladium source compound onto a carrier selected from the group consisting of silica, alumina and silica-alumina, and drying and calcining said Fe-Pd impregnated carrier in a flow of air or H.sub.2 /N.sub.2 ; and a method for preparing a mixture of cyclohexanol and cyclohexanone by selectively oxidizing cyclohexane in a reaction medium provided with hydrogen and oxygen gases in the presence of said Fe-Pd catalyst.
    Type: Grant
    Filed: April 27, 1992
    Date of Patent: May 4, 1993
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Kyu-Wan Lee, Ki-Won Jun, Eun-Kyung Shim