Patents by Inventor Jong Kwan LIM

Jong Kwan LIM 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).

  • Window film and method of preparing the same
    Patent number: 10562287
    Abstract: A shielding pattern embedded type window film includes a base film, a first hard coating layer and a second hard coating layer which are sequentially laminated on one surface of the base film, and a shielding pattern disposed at an outer area between the first hard coating layer and the second hard coating layer.
    Type: Grant
    Filed: October 5, 2016
    Date of Patent: February 18, 2020
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Jong Kwan Lim, Han Bae Lee, Jae Hun Cha, Seung Baek Hong
  • WINDOW FILM AND METHOD OF PREPARING THE SAME
    Publication number: 20180297349
    Abstract: A shielding pattern embedded type window film includes a base film, a first hard coating layer and a second hard coating layer which are sequentially laminated on one surface of the base film, and a shielding pattern disposed at an outer area between the first hard coating layer and the second hard coating layer.
    Type: Application
    Filed: October 5, 2016
    Publication date: October 18, 2018
    Inventors: Jong Kwan LIM, Han Bae LEE, Jae Hun CHA, Seung Baek HONG
  • POLYSULFONE COPOLYMER WITH EXCELLENT HEAT RESISTANCE AND CHEMICAL RESISTANCE, AND METHOD FOR PREPARING SAME
    Publication number: 20170240708
    Abstract: The present invention relates to a polysulfone copolymer with excellent heat resistance and chemical resistance, and a method for preparing the same and, more specifically, to a polysulfone copolymer and a method for preparing the same, wherein the polysulfone copolymer comprises, as repeat units, a sulfone-based compound, and an anhydrosugar alcohol, which is a biogenic material, and thus the polysulfone copolymer can solve a problem of an exhaustion of petroleum resources, which are limited resources; does not emit carbon dioxide regardless of the disposal after use, and thus is eco-friendly; and has significantly improved heat resistance and chemical resistance compared with existing polysulfone copolymers.
    Type: Application
    Filed: August 24, 2015
    Publication date: August 24, 2017
    Applicant: SAMYANG CORPORATION
    Inventors: Jong Kwan LIM, Hyung Jin ROH, Seong Hyen HEO