Patents by Inventor Chang In KONG

Chang In KONG 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).

  • COMPOSITE MEMBRANE COMPRISING HIGHLY PERMEABLE GUTTER LAYER AND METHOD FOR PREPARING SAME
    Publication number: 20230271144
    Abstract: The present disclosure relates to a composite membrane in which a rubbery polymer is introduced into a gutter layer to suppress the physical aging of the highly permeable composite membrane, and more particularly, to a composite membrane comprising a porous support layer; a gutter layer on the porous support layer; and an active layer on the gutter layer, wherein the gutter layer comprises a blend of poly(l-trimethlsilyl-l-propyne) (PTMSP) and a rubbery polymer and a method for preparing the same. The composite membrane according to the present disclosure has high permeation performance and a remarkable decline in physical aging leading to a decrease in permeability over time and thus has very high industrial applicability.
    Type: Application
    Filed: July 15, 2021
    Publication date: August 31, 2023
    Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Su Young MOON, Jong Myeong LEE, Bong Jun CHANG, Chang In KONG, Jae-Hyeok LEE
  • Methane-selective mixed matrix membranes including nanoporous metal-organic framework materials to which a methane-selective functional group is introduced, the use thereof, and a method of preparing the same
    Patent number: 11684890
    Abstract: Provided are a methane-selective composite membrane comprising: a UiO-66 type organic-inorganic composite nanoporous material, a MIL-100 type organic-inorganic composite nanoporous material, or a ZIF-8 type organic-inorganic composite nanoporous material to which a methane-selective functional group is introduced for selectively separating methane from a gas mixture containing methane/nitrogen, a use thereof, and a method of preparing the same.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: June 27, 2023
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Jeong Hoon Kim, Chang In Kong, Yang No Yun, Su Young Moon, Bong Jun Chang, Bo Ryoung Park, Youn-Sang Bae, Tea-Hoon Kim
  • METHANE-SELECTIVE MIXED MATRIX MEMBRANES INCLUDING NANOPOROUS METAL-ORGANIC FRAMEWORK MATERIALS TO WHICH METHANE-SELECTIVE FUNCTIONAL GROUP,IS INTRODUCED THE USE THEREOF AND A METHOD OF PREPARING THE SAME
    Publication number: 20200306689
    Abstract: Provided are a methane-selective composite membrane comprising: a UiO-66 type organic-inorganic composite nanoporous material, a MIL-100 type organic-inorganic composite nanoporous material, or a ZIF-8 type organic-inorganic composite nanoporous material to which a methane-selective functional group is introduced for selectively separating methane from a gas mixture containing methane/nitrogen, a use thereof, and a method of preparing the same.
    Type: Application
    Filed: March 23, 2020
    Publication date: October 1, 2020
    Inventors: Jeong Hoon KIM, Chang In KONG, Yang No YUN, Su Young MOON, Bong Jun CHANG, Bo Ryoung PARK, Youn-Sang BAE, Tea-Hoon KIM