Patents by Inventor Hong Min SHIM

Hong Min SHIM 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: 12030965
    Abstract: Provided are a modified conjugated diene-based polymer comprising a conjugated diene-based monomer-derived repeating unit; and a chain extender-derived part which is linked to both terminals of the conjugated diene based monomer-derived repeating unit, respectively, includes one or more urethane groups in a molecular chain, and has different functional groups at both terminals, wherein one of the functional groups is an alkyne group, wherein a terminal of the chain extender-derived part which is not linked to both terminals of the conjugated diene based monomer-derived repeating unit is an alkyne group, a manufacturing method thereof, a binder composition for a solid propellant comprising the same, a modified conjugated diene based binder for a solid propellant, and a manufacturing method thereof.
    Type: Grant
    Filed: June 24, 2022
    Date of Patent: July 9, 2024
    Assignee: AGENCY FOR DEFENSE DEVELOPMENT
    Inventors: Byoung Sun Min, Jin Hyuk Lee, Hong Min Shim, Sungjune Kim, Minhye Lee
  • Publication number: 20230272131
    Abstract: Provided are a modified conjugated diene-based polymer comprising a conjugated diene-based monomer-derived repeating unit; and a chain extender-derived part which is linked to both terminals of the conjugated diene based monomer-derived repeating unit, respectively, includes one or more urethane groups in a molecular chain, and has different functional groups at both terminals, wherein one of the functional groups is an alkyne group, wherein a terminal of the chain extender-derived part which is not linked to both terminals of the conjugated diene based monomer-derived repeating unit is an alkyne group, a manufacturing method thereof, a binder composition for a solid propellant comprising the same, a modified conjugated diene based binder for a solid propellant, and a manufacturing method thereof.
    Type: Application
    Filed: June 24, 2022
    Publication date: August 31, 2023
    Inventors: Byoung Sun MIN, Jin Hyuk LEE, Hong Min SHIM, Sungjune KIM, Minhye LEE