Patents by Inventor Young Sig Jun

Young Sig Jun 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).

  • Inorganic binder composition for molding sand
    Patent number: 9505660
    Abstract: Provided is an inorganic binder composition for molding sand which includes a modified alkali silicate mixture, a hardening agent, a cross-linking agent and a rheology control agent. The inorganic binder composition may control hygroscopicity (deliquescence) of alkali silicate and keep strength steadily by polymerizing alkali silicate by the hardening agent and cross-linking it by the cross linking agent to form a hardened silicate coating (film) which may suppress generation of moisture.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: November 29, 2016
    Assignees: PR TECH CO., LTD., DAEJONG FACTORY AUTOMATON CO., LTD.
    Inventors: Young Sig Jun, Sung Hoon Cho
  • INORGANIC BINDER COMPOSITION FOR MOLDING SAND
    Publication number: 20160264469
    Abstract: Provided is an inorganic binder composition for molding sand which includes a modified alkali silicate mixture, a hardening agent, a cross-linking agent and a rheology control agent. The inorganic binder composition may control hygroscopicity (deliquescence) of alkali silicate and keep strength steadily by polymerizing alkali silicate by the hardening agent and cross-linking it by the cross linking agent to form a hardened silicate coating (film) which may suppress generation of moisture.
    Type: Application
    Filed: March 10, 2016
    Publication date: September 15, 2016
    Inventors: Young Sig JUN, Sung Hoon CHO
  • Profile gasket and composition thereof
    Patent number: 7687131
    Abstract: A profile gasket has a locking part below a gasket base for mounting the gasket to a target body such as a refrigerator door. The gasket also has a sealing portion and an elastic support for elastically supporting the sealing portion to the gasket base. The gasket is made of a thermoplastic resin having a preferred composition.
    Type: Grant
    Filed: January 6, 2003
    Date of Patent: March 30, 2010
    Inventor: Young Sig Jun