Patents by Inventor Choong-Sub Jung

Choong-Sub Jung 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).

  • Lubricity improver
    Patent number: 8835663
    Abstract: Provided is a lubricity improver capable of improving lubricity and storage stability due to anti-oxidation, the lubricity improver containing a saturated fatty acid methyl ester derivative including at least one 1,2-dimethoxy ethylene structural unit represented by Chemical Formula a below, obtained by converting a double bond (olefin) of biodiesel, which is used as a lubricity improver of fuel, that is, the existing fatty acid methyl ester (FAME), into a dimethoxy group.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: September 16, 2014
    Assignee: Korea Institute of Petroleum Management
    Inventors: Young-Kwan Lim, Joung Min Lee, Choong-Sub Jung, Jong-Ryeol Kim, Eui Soon Yim
  • LUBRICITY IMPROVER
    Publication number: 20130053590
    Abstract: Provided is a lubricity improver capable of improving lubricity and storage stability due to anti-oxidation, the lubricity improver containing a saturated fatty acid methyl ester derivative including at least one 1,2-dimethoxy ethylene structural unit represented by Chemical Formula a below, obtained by converting a double bond (olefin) of biodiesel, which is used as a lubricity improver of fuel, that is, the existing fatty acid methyl ester (FAME), into a dimethoxy group.
    Type: Application
    Filed: July 13, 2012
    Publication date: February 28, 2013
    Inventors: Young-Kwan Lim, Joung Min Lee, Choong-Sub Jung, Jong-Ryeol Kim, Eui Soon Yim