Patents by Inventor Kyungeun OH

Kyungeun OH 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).

  • POLYAMIDE-IMIDE FILM AND METHOD FOR PRODUCING SAME
    Publication number: 20220356317
    Abstract: An embodiment can provide a polyamide-imide film and a method for producing same, the film comprising a polyamide-imide polymer formed by polymerizing an aromatic diamine compound, an aromatic dianhydride compound and a dicarbonyl compound, wherein, in an XRD graph with a section in which 2?=8° to 32° as a baseline, the film shows a peak area of 50% or above around 2?=23° with respect to a peak area seen around 2?=15°.
    Type: Application
    Filed: July 12, 2022
    Publication date: November 10, 2022
    Inventors: Dae Seong OH, Dawoo JEONG, Sunhwan KIM, Jin Woo LEE, Dong Jin LIM, Kyungeun OH
  • Polyamide-imide film and method for producing same
    Patent number: 11434335
    Abstract: An embodiment can provide a polyamide-imide film and a method for producing same, the film comprising a polyamide-imide polymer formed by polymerizing an aromatic diamine compound, an aromatic dianhydride compound and a dicarbonyl compound, wherein, in an XRD graph with a section in which 2?=8° to 32° as a baseline, the film shows a peak area of 50% or above around 2?=23° with respect to a peak area seen around 2?=15°.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: September 6, 2022
    Assignee: SKC CO., LTD.
    Inventors: Dae Seong Oh, Dawoo Jeong, Sunhwan Kim, Jin Woo Lee, Dong Jin Lim, Kyungeun Oh
  • POLYAMIDE-IMIDE FILM AND METHOD FOR PRODUCING SAME
    Publication number: 20190367677
    Abstract: An embodiment can provide a polyamide-imide film and a method for producing same, the film comprising a polyamide-imide polymer formed by polymerizing an aromatic diamine compound, an aromatic dianhydride compound and a dicarbonyl compound, wherein, in an XRD graph with a section in which 2?=8° to 32° as a baseline, the film shows a peak area of 50% or above around 2?=23° with respect to a peak area seen around 2?=15°.
    Type: Application
    Filed: February 6, 2018
    Publication date: December 5, 2019
    Inventors: Dae Seong OH, Dawoo JEONG, Sunhwan KIM, Jin Woo LEE, Dong Jin LIM, Kyungeun OH