Patents by Inventor Joong Suk LEE

Joong Suk LEE 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: 11931798
    Abstract: Disclosure provides a two-segment electromagnet stirring member, and a two-segment electromagnet semi-solid die-casting apparatus including the same, and a die-casting method using the same. The two-segment electromagnet stirring member includes a plurality of magnetic field generation parts therein, and includes a first electromagnetic stirring part and a second electromagnetic stirring part separated from each other. The first electromagnetic stirring part and the second electromagnetic stirring part are coupled to each other in a ring shape to surround an outer circumferential surface of a sleeve to perform electromagnetic stirring to molten metal in the sleeve, and are coupled to each other so as to position the plurality of magnetic field generation parts at radially equal gaps around the sleeve.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: March 19, 2024
    Assignee: HANJOO LIGHT METAL CO., LTD.
    Inventors: Yong-Jin Lee, Jin-Ha Park, Myung-Seong Kong, Seong-Rak Park, Joong-Suk Roh
  • Publication number: 20230227645
    Abstract: The present invention relates to a resin composition comprising: a base resin comprising a petroleum resin of which at least a part is hydrogenated or non-hydrogenated; and an additive comprising a modified C9 polymer having a structure in which a molecular weight modifier binds to at least one terminal of the two terminals of the petroleum resin of which at least a part is hydrogenated or non-hydrogenated. The present invention also relates to a gas barrier film comprising the resin composition, and a tire.
    Type: Application
    Filed: October 28, 2021
    Publication date: July 20, 2023
    Inventors: Joong Suk LEE, Hye Min JUNG, Su Yeoun PARK
  • Publication number: 20220372183
    Abstract: The present disclosure relates to a rubber composition and a method of preparing the same, the rubber composition comprising a viscosity modifier and a modified polymer having a structure in which a molecular weight regulator is coupled to at least one of both ends of an at least partially hydrogenated or non-hydrogenated petroleum resin. The rubber composition according to the present disclosure has improved processability and thus may replace process oil, and may markedly improve gas impermeability.
    Type: Application
    Filed: December 30, 2020
    Publication date: November 24, 2022
    Inventors: Hye Min JUNG, Joong Suk LEE
  • Patent number: 11186754
    Abstract: A hydrogenated petroleum resin, and a manufacturing method and use thereof, are provided. More specifically, a hydrogenated petroleum resin manufactured by subjecting dicyclopentadiene and an olefinic monomer to thermal polymerization and then carrying out a hydrogenation reaction, and a manufacturing method and use therefor are provided. The hydrogenated petroleum resin has the advantage of being useful in practical applications, since the petroleum resin is manufactured via thermal polymerization using inexpensive raw materials and on the contrary to conventional catalytic polymerization, a catalyst elimination process can be excluded. The hydrogenated petroleum resin produced in this way can be applied to, for example, an adhesive agent used in environmentally friendly sanitary goods, because the petroleum resin has excellent compatibility, adhesiveness and heat resistance, and has no bad odor.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: November 30, 2021
    Inventors: Sang Hyun Lee, Min Sik Cho, Jun Hyo Park, Joong Suk Lee
  • Patent number: 11168156
    Abstract: This invention relates to a hydrogenated hydrocarbon resin and a method of preparing the same, wherein the preparation process is simplified, material supply problems can be solved, and the hydrogenated hydrocarbon resin can be prepared using a catalyst, which is inexpensive, has a low odor and is easy to handle, thereby realizing a yield and a preparation process that enable real-world application thereof. The hydrogenated hydrocarbon resin prepared by the method of the invention has excellent compatibility and a low specific viscosity, and can thus be efficiently used as a tackifier or an adhesive in a variety of fields.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: November 9, 2021
    Inventors: Sang Hyun Lee, Jun Hyo Park, Joong Suk Lee, Min Sik Cho
  • Patent number: 10988644
    Abstract: Provided are a hydrocarbon resin and a method of preparing the same, wherein thermal polymerization of a diolefin and an olefin is performed, thus obviating a catalyst removal process, material supply problems can be solved, and a hydrogenated hydrocarbon resin can be prepared using a catalyst, which is inexpensive and is easy to handle, thereby realizing a yield and a preparation process that enable real-world application thereof. The hydrogenated hydrocarbon resin prepared by the method of the invention has excellent compatibility and a low specific viscosity, and can thus be efficiently used as a tackifier or an adhesive in a variety of fields.
    Type: Grant
    Filed: December 31, 2015
    Date of Patent: April 27, 2021
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Sang Hyun Lee, Jun Hyo Park, Joong Suk Lee, Min Sik Cho
  • Publication number: 20200231847
    Abstract: A hydrogenated petroleum resin, and a manufacturing method and use thereof, are provided. More specifically, a hydrogenated petroleum resin manufactured by subjecting dicyclopentadiene and an olefinic monomer to thermal polymerization and then carrying out a hydrogenation reaction, and a manufacturing method and use therefor are provided. The hydrogenated petroleum resin has the advantage of being useful in practical applications, since the petroleum resin is manufactured via thermal polymerization using inexpensive raw materials and on the contrary to conventional catalytic polymerization, a catalyst elimination process can be excluded. The hydrogenated petroleum resin produced in this way can be applied to, for example, an adhesive agent used in environmentally friendly sanitary goods, because the petroleum resin has excellent compatibility, adhesiveness and heat resistance, and has no bad odor.
    Type: Application
    Filed: April 3, 2020
    Publication date: July 23, 2020
    Inventors: Sang Hyun LEE, Min Sik CHO, Jun Hyo PARK, Joong Suk LEE
  • Publication number: 20200223954
    Abstract: This invention relates to a hydrogenated hydrocarbon resin and a method of preparing the same, wherein the preparation process is simplified, material supply problems can be solved, and the hydrogenated hydrocarbon resin can be prepared using a catalyst, which is inexpensive, has a low odor and is easy to handle, thereby realizing a yield and a preparation process that enable real-world application thereof. The hydrogenated hydrocarbon resin prepared by the method of the invention has excellent compatibility and a low specific viscosity, and can thus be efficiently used as a tackifier or an adhesive in a variety of fields.
    Type: Application
    Filed: March 30, 2020
    Publication date: July 16, 2020
    Inventors: Sang Hyun LEE, Jun Hyo PARK, Joong Suk LEE, Min Sik CHO
  • Patent number: 10676546
    Abstract: This invention relates to a hydrogenated hydrocarbon resin and a method of preparing the same, wherein the preparation process is simplified, material supply problems can be solved, and the hydrogenated hydrocarbon resin can be prepared using a catalyst, which is inexpensive, has a low odor and is easy to handle, thereby realizing a yield and a preparation process that enable real-world application thereof. The hydrogenated hydrocarbon resin prepared by the method of the invention has excellent compatibility and a low specific viscosity, and can thus be efficiently used as a tackifier or an adhesive in a variety of fields.
    Type: Grant
    Filed: December 31, 2015
    Date of Patent: June 9, 2020
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Sang Hyun Lee, Jun Hyo Park, Joong Suk Lee, Min Sik Cho
  • Patent number: 10647896
    Abstract: The present invention relates to a hydrogenated petroleum resin, and to a manufacturing method and use thereof. More specifically, it relates to a hydrogenated petroleum resin manufactured by subjecting dicyclopentadiene and an olefinic monomer to thermal polymerization and then carrying out a hydrogenation reaction, and to a manufacturing method and use therefor. The hydrogenated petroleum resin has the advantage of being useful in practical applications, since the petroleum resin is manufactured via thermal polymerization using inexpensive raw materials and on the contrary to conventional catalytic polymerization, a catalyst elimination process can be excluded. The hydrogenated petroleum resin produced in this way can be applied to, for example, an adhesive agent used in environmentally friendly sanitary goods, because the petroleum resin has excellent compatibility, adhesiveness and heat resistance, and has no bad odor.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: May 12, 2020
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Sang Hyun Lee, Min Sik Cho, Jun Hyo Park, Joong Suk Lee
  • Publication number: 20180186903
    Abstract: The present invention relates to a hydrogenated petroleum resin, and to a manufacturing method and use thereof. More specifically, it relates to a hydrogenated petroleum resin manufactured by subjecting dicyclopentadiene and an olefinic monomer to thermal polymerization and then carrying out a hydrogenation reaction, and to a manufacturing method and use therefor. The hydrogenated petroleum resin has the advantage of being useful in practical applications, since the petroleum resin is manufactured via thermal polymerization using inexpensive raw materials and on the contrary to conventional catalytic polymerization, a catalyst elimination process can be excluded. The hydrogenated petroleum resin produced in this way can be applied to, for example, an adhesive agent used in environmentally friendly sanitary goods, because the petroleum resin has excellent compatibility, adhesiveness and heat resistance, and has no bad odor.
    Type: Application
    Filed: June 28, 2016
    Publication date: July 5, 2018
    Inventors: Sang Hyun LEE, Min Sik CHO, Jun Hyo PARK, Joong Suk LEE
  • Publication number: 20180186904
    Abstract: This invention relates to a hydrogenated hydrocarbon resin and a method of preparing the same, wherein the preparation process is simplified, material supply problems can be solved, and the hydrogenated hydrocarbon resin can be prepared using a catalyst, which is inexpensive, has a low odor and is easy to handle, thereby realizing a yield and a preparation process that enable real-world application thereof. The hydrogenated hydrocarbon resin prepared by the method of the invention has excellent compatibility and a low specific viscosity, and can thus be efficiently used as a tackifier or an adhesive in a variety of fields.
    Type: Application
    Filed: December 31, 2015
    Publication date: July 5, 2018
    Inventors: Sang Hyun LEE, Jun Hyo PARK, Joong Suk LEE, Min Sik CHO
  • Publication number: 20180187054
    Abstract: Provided are a hydrocarbon resin and a method of preparing the same, wherein thermal polymerization of a diolefin and an olefin is performed, thus obviating a catalyst removal process, material supply problems can be solved, and a hydrogenated hydrocarbon resin can be prepared using a catalyst, which is inexpensive and is easy to handle, thereby realizing a yield and a preparation process that enable real-world application thereof. The hydrogenated hydrocarbon resin prepared by the method of the invention has excellent compatibility and a low specific viscosity, and can thus be efficiently used as a tackifier or an adhesive in a variety of fields.
    Type: Application
    Filed: December 31, 2015
    Publication date: July 5, 2018
    Inventors: Sang Hyun LEE, Jun Hyo PARK, Joong Suk LEE, Min Sik CHO