Patents by Inventor Na Rae Kang

Na Rae Kang 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).

  • SEPARATOR FOR LITHIUM SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME
    Publication number: 20160111698
    Abstract: Provided is a separator for a rechargeable lithium battery including a porous support including a polymer derived from polyamic acid or a polymer derived from polyimide, wherein the polyamic acid and the polyimide include a repeating unit prepared from aromatic diamine including at least one ortho-positioned functional group relative to an amine group and dianhydride.
    Type: Application
    Filed: December 28, 2015
    Publication date: April 21, 2016
    Inventors: Young Moo Lee, So Young Lee, Na Rae Kang, Jung Hoon Kim, Nurasyikin Misdan, Yang-Kook Sun, Hun-Gi Jung
  • Sulfonated poly(phenylene sulfide sulfone nitrile) and membrane for fuel cell thereof
    Patent number: 9293780
    Abstract: The present invention provides sulfonated poly(phenylene sulfide sulfone nitrile) and a polymer electrolyte membrane thereof. In particular, the present invention provides sulfonated poly(phenylene sulfide sulfone nitrile) having a triple bond at its both ends and a polymer electrolyte membrane with superior mechanical properties prepared by heating sulfonated poly(phenylene sulfide sulfone nitrile) and forming cross-links between ends of sulfonated poly(phenylene sulfide sulfone nitrile).
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: March 22, 2016
    Assignees: Hyundai Motor Company, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Young Moo Lee, So Young Lee, Dong Won Shin, Na Rae Kang, Young Taek Kim, Inchul Hwang, Nak Hyun Kwon
  • SULFONATED POLY(PHENYLENE SULFIDE SULFONE NITRILE) AND MEMBRANE FOR FUEL CELL THEREOF
    Publication number: 20130266890
    Abstract: The present invention provides sulfonated poly(phenylene sulfide sulfone nitrile) and a polymer electrolyte membrane thereof. In particular, the present invention provides sulfonated poly(phenylene sulfide sulfone nitrile) having a triple bond at its both ends and a polymer electrolyte membrane with superior mechanical properties prepared by heating sulfonated poly(phenylene sulfide sulfone nitrile) and forming cross-links between ends of sulfonated poly(phenylene sulfide sulfone nitrile).
    Type: Application
    Filed: October 26, 2012
    Publication date: October 10, 2013
    Applicants: IUCF-HYU (Industry-University Cooperation Foundation Hanyang University), HYUNDAI MOTOR COMPANY
    Inventors: Young Moo Lee, So Young Lee, Dong Won Shin, Na Rae Kang, Young Taek Kim, Inchul Hwang, Nak Hyun Kwon
  • SEPARATOR FOR LITHIUM SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME
    Publication number: 20130115519
    Abstract: Provided is a separator for a rechargeable lithium battery including a porous support including a polymer derived from polyamic acid or a polymer derived from polyimide, wherein the polyamic acid and the polyimide include a repeating unit prepared from aromatic diamine including at least one ortho-positioned functional group relative to an amine group and dianhydride.
    Type: Application
    Filed: June 14, 2011
    Publication date: May 9, 2013
    Applicant: ICUF-HYU (Industry-University Cooperation Foundati Hanyang Unversity
    Inventors: Young Moo Lee, So Young Lee, Na Rae Kang, Jung Hoon Kim, Nurasyikin Misdan, Yang-Kook Sun, Hun-Gi Jung