Patents by Inventor Keun Hun CHANG

Keun Hun CHANG 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: 11896070
    Abstract: Provided are a method of collectively preparing moisture-permeable waterproof clothing and clothing prepared thereby. The method includes a step of cutting a fabric substrate and a film into a plurality of pieces, wherein the plurality of pieces includes at least a first and second group, wherein the first group includes a first substrate and film, and the second group includes a second substrate and film; a step of forming a first laminate by processing the first group; a step of forming a second laminate by processing the second group; a step of forming a seam by connecting the first and second substrate; a step of covering a seam area with the second film and then covering the second film with the first film; and a step of finally laminating the first and the second laminate along with the seam.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: February 13, 2024
    Assignee: BRISTEX CO., LTD.
    Inventor: Keun Hun Chang
  • Publication number: 20230067517
    Abstract: Provided are a method of collectively preparing moisture-permeable waterproof clothing and clothing prepared thereby. The method includes a step of cutting a fabric substrate and a film into a plurality of pieces, wherein the plurality of pieces includes at least a first and second group, wherein the first group includes a first substrate and film, and the second group includes a second substrate and film; a step of forming a first laminate by processing the first group; a step of forming a second laminate by processing the second group; a step of forming a seam by connecting the first and second substrate; a step of covering a seam area with the second film and then covering the second film with the first film; and a step of finally laminating the first and the second laminate along with the seam.
    Type: Application
    Filed: September 16, 2021
    Publication date: March 2, 2023
    Applicant: BRISTEX CO., LTD.
    Inventor: Keun Hun CHANG
  • Patent number: 11498312
    Abstract: Provided are a multi-layered composite film that may be thermally-bonded to a fabric by using a hot melt adhesive that is dot-coated on the surface thereof, and a method of manufacturing the same. In particular, the present invention relates to: a thermally-bondable multi-layered composite film which can be used in the manufacture of outdoor clothing, has excellent breathability and waterproofing properties, and can simplify the process of manufacturing the outdoor clothing; and to a method for manufacturing same.
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: November 15, 2022
    Assignees: BRISTEX CO., LTD, SEALON CO., LTD
    Inventors: Keun Hun Chang, Jin Seoup Cha
  • Publication number: 20210308989
    Abstract: Provided are a multi-layered composite film that may be thermally-bonded to a fabric by using a hot melt adhesive that is dot-coated on the surface thereof, and a method of manufacturing the same. In particular, the present invention relates to: a thermally-bondable multi-layered composite film which can be used in the manufacture of outdoor clothing, has excellent breathability and waterproofing properties, and can simplify the process of manufacturing the outdoor clothing; and to a method for manufacturing same.
    Type: Application
    Filed: June 16, 2021
    Publication date: October 7, 2021
    Applicants: BRISTEX CO., LTD., SEALON CO., LTD.
    Inventors: Keun Hun CHANG, Jin Seoup CHA
  • Patent number: 11135809
    Abstract: Provided are a multi-layered composite film that may be thermally-bonded to a fabric by using a hot melt adhesive that is dot-coated on the surface thereof, and a method of manufacturing the same. In particular, the present invention relates to: a thermally-bondable multi-layered composite film which can be used in the manufacture of outdoor clothing, has excellent breathability and waterproofing properties, and can simplify the process of manufacturing the outdoor clothing; and to a method for manufacturing same.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: October 5, 2021
    Assignees: BRISTEX CO., LTD., SEALON CO., LTD.
    Inventors: Keun Hun Chang, Jin Seoup Cha
  • Publication number: 20210162710
    Abstract: Provided are a multi-layered composite film that may be thermally-bonded to a fabric by using a hot melt adhesive that is dot-coated on the surface thereof, and a method of manufacturing the same. In particular, the present invention relates to: a thermally-bondable multi-layered composite film which can be used in the manufacture of outdoor clothing, has excellent breathability and waterproofing properties, and can simplify the process of manufacturing the outdoor clothing; and to a method for manufacturing same.
    Type: Application
    Filed: December 31, 2019
    Publication date: June 3, 2021
    Applicants: BRISTEX CO., LTD., SEALON CO., LTD.
    Inventors: Keun Hun CHANG, Jin Seoup CHA
  • Publication number: 20210162711
    Abstract: Provided are a breathable waterproof membrane capable of being thermally-bonded to a fabric by using a hot melt adhesive that is dot-coated on the surface thereof, and a method of manufacturing the same. In particular, the present invention relates to a breathable waterproof membrane capable of being thermally-bonded to a fabric and a method of manufacturing the same, the membrane being applied to the manufacture of outdoor clothing, thereby giving excellent breathability and waterproof properties to the outdoor clothing and simplifying a manufacturing process of the outdoor clothing.
    Type: Application
    Filed: October 28, 2019
    Publication date: June 3, 2021
    Applicants: SEALON CO., LTD., BRISTEX CO., LTD.
    Inventors: Keun Hun CHANG, Jin Seoup CHA