Patents by Inventor Myoung Gi CHO

Myoung Gi CHO 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 treating waste water containing fluorine component
    Patent number: 9969630
    Abstract: A method for removing the fluorine component from waste water which is produced during the manufacturing process of highly reactive polybutene and contains high concentration of fluorine component, is disclosed. The method comprises a step of adding to the waste water a treating agent selected from a group of Al compound, Ca compound and mixture thereof at temperature of 50 to 300° C. for reaction, whereby boron trifluoride neutralized salt is decomposed to form Al salt or Ca salt of fluorine component so that the fluorine component is removed in the form of the Al salt or the Ca salt of fluorine component.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: May 15, 2018
    Assignee: DAELIM INDUSTRIAL CO., LTD.
    Inventors: Myeong Seok Kim, Min Sup Park, Sang Uk Jung, Myoung Gi Cho, Seong Mu Oh
  • Method for Treating Waste Water Containing Fluorine Component
    Publication number: 20150307376
    Abstract: A method for removing the fluorine component from waste water which is produced during the manufacturing process of highly reactive polybutene and contains high concentration of fluorine component, is disclosed. The method comprises a step of adding to the waste water a treating agent selected from a group of Al compound, Ca compound and mixture thereof at temperature of 50 to 300° C. for reaction, whereby boron trifluoride neutralized salt is decomposed to form Al salt or Ca salt of fluorine component so that the fluorine component is removed in the form of the Al salt or the Ca salt of fluorine component.
    Type: Application
    Filed: November 6, 2013
    Publication date: October 29, 2015
    Inventors: Myeong Seok KIM, Min Sup PARK, Sang Uk JUNG, Myoung Gi CHO, Seong Mu OH