Patents by Inventor Kyoung-Heum LEE

Kyoung-Heum LEE 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).

  • Method for marking oil products and marker composition for oil products
    Patent number: 10315964
    Abstract: According to the present invention, a deuterium-substituted marker for fuel is synthesized through substitution with deuterium so as to have structurally and chemically similar properties to those of a molecule configuring fuel oil. A molecule of the deuterium-substituted marker is significantly similar to the conventional molecule configuring the fuel oil, which may prevent illegal removal of the marker by the fake oil manufacturers. According to the present invention, it is able to pursue public safety and environmental protection from fake oil products, and to prevent national tax evasion, by preventing the illegal mixing of fuel oil to secure a legal distribution of the oil market according to the present invention.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: June 11, 2019
    Assignee: Korea Institute of Petroleum Management
    Inventors: Young-Kwan Lim, Hee-Yeon Baek, Kyoung-Heum Lee, Seung-Hyun Ryu, Ju Min Youn, Jong Ryeol Kim, In Ha Hwang, Jong Han Ha
  • METHOD FOR MARKING OIL PRODUCTS AND MARKER COMPOSITION FOR OIL PRODUCTS
    Publication number: 20170297971
    Abstract: According to the present invention, a deuterium-substituted marker for fuel is synthesized through substitution with deuterium so as to have structurally and chemically similar properties to those of a molecule configuring fuel oil. A molecule of the deuterium-substituted marker is significantly similar to the conventional molecule configuring the fuel oil, which may prevent illegal removal of the marker by the fake oil manufacturers. According to the present invention, it is able to pursue public safety and environmental protection from fake oil products, and to prevent national tax evasion, by preventing the illegal mixing of fuel oil to secure a legal distribution of the oil market according to the present invention.
    Type: Application
    Filed: November 9, 2016
    Publication date: October 19, 2017
    Applicant: Korea Institute of Petroleum Management
    Inventors: Young-Kwan LIM, Hee-Yeon BAEK, Kyoung-Heum LEE, Seung-Hyun RYU, Ju Min YOUN, Jong Ryeol KIM, In Ha HWANG, Jong Han HA