Patents by Inventor Moon-Ja Nam

Moon-Ja Nam 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).

  • Patent number: 11835498
    Abstract: A high throughput gas-chromatography system for analysis of high-molecular weight additives in a polymer material, and an analysis method using same are provided. A high throughput gas-chromatography system is capable of qualitatively and quantitatively analyzing, at the same time, high-molecular weight additives in a polymer, and reducing analysis time by increasing a heating rate and a column maximum temperature.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: December 5, 2023
    Inventors: Rin Jang, Mi Kyoung Jin, Moon Ja Nam, Byoung Hyoun Kim
  • Patent number: 11360063
    Abstract: A method for analyzing an antioxidant content contained in a semiconductive material for a cable, which includes an amine-based antioxidant. The method can provide an accurate quantitative analysis value obtained by a comparison with the actual amount used, through gas chromatography (GC)/a flame ionization detector (FID).
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: June 14, 2022
    Inventors: Moon Ja Nam, Byoung Hyoun Kim, Min Jeong Lee
  • Publication number: 20200340958
    Abstract: A high speed treatmenthigh throughput gas-chromatography system for analysis of high-molecular weight additives in a polymer material, and an analysis method using same are provided. A high throughput gas-chromatography system is capable of qualitatively and quantitatively analyzing, at the same time, high-molecular weight additives in a polymer, and reducing analysis time by increasing a heating rate and a column maximum temperature.
    Type: Application
    Filed: October 29, 2018
    Publication date: October 29, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Rin Jang, Mi Kyoung Jin, Moon Ja Nam, Byoung Hyoun Kim
  • Publication number: 20200057035
    Abstract: The present invention relates to a method for analyzing an antioxidant content contained in a semi-conductive material for a cable, which includes an amine-based antioxidant. The method can provide an accurate quantitative analysis value obtained by a comparison with the actual amount used, through gas chromatography (GC)/a flame ionization detector (FID).
    Type: Application
    Filed: July 23, 2018
    Publication date: February 20, 2020
    Inventors: Moon Ja Nam, Byoung Hyoun Kim, Min Jeong Lee
  • Patent number: 7695870
    Abstract: An organic/inorganic composite separator includes a porous substrate having a plurality of pores; and a porous coating layer formed on at least one surface of the porous substrate with a plurality of inorganic particles and a binder polymer. The binder polymer is a copolymer including: (a) a first monomer unit having a contact angle to a water drop in the range from 0° to 49°; and (b) a second monomer unit having a contact angle to a water drop in the range from 50° to 130°. This organic/inorganic composite separator has excellent thermal stability, so it may restrain an electric short circuit between a cathode and an anode. In addition, the separator may prevent inorganic particles in the porous coating layer from being extracted during an assembling process of an electrochemical device, thereby improving stability of an electrochemical device.
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: April 13, 2010
    Assignee: LG Chem, Ltd.
    Inventors: Jong-Hyeok Park, Sang-Young Lee, Jang-Hyuk Hong, Moon-Ja Nam, Jung-A Yoo, Sang-Seop Kim, Chang-Hun Han
  • Publication number: 20090246613
    Abstract: An organic/inorganic composite separator includes a porous substrate having a plurality of pores; and a porous coating layer formed on at least one surface of the porous substrate with a plurality of inorganic particles and a binder polymer. The binder polymer is a copolymer including: (a) a first monomer unit having a contact angle to a water drop in the range from 0° to 49°; and (b) a second monomer unit having a contact angle to a water drop in the range from 50° to 130°. This organic/inorganic composite separator has excellent thermal stability, so it may restrain an electric short circuit between a cathode and an anode. In addition, the separator may prevent inorganic particles in the porous coating layer from being extracted during an assembling process of an electrochemical device, thereby improving stability of an electrochemical device.
    Type: Application
    Filed: March 6, 2008
    Publication date: October 1, 2009
    Inventors: Jong-Hyeok Park, Sang-Young Lee, Jang-Hyuk Hong, Moon-Ja Nam, Jung-A Yoo, Sang-Seop Kim, Chang-Hun Han