Patents by Inventor Kiseok Son

Kiseok Son 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).

  • Modified conjugated diene polymer, method for preparing same, and rubber composition containing same
    Patent number: 9944741
    Abstract: Disclosed is a method of preparing a modified conjugated diene-based polymer, including (a) polymerizing a conjugated diene monomer, or a conjugated diene monomer and an aromatic vinyl monomer, using the compound represented by Chemical Formula 1 in the presence of a hydrocarbon solvent, thus forming an active polymer having an alkali metal end, and (b) coupling or reacting the active polymer with the compound represented by Chemical Formula 2.
    Type: Grant
    Filed: November 14, 2014
    Date of Patent: April 17, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Heungyeal Choi, Noma Kim, Yujin Kim, Heseung Lee, Kiseok Son
  • MODIFIED CONJUGATED DIENE POLYMER, METHOD FOR PREPARING SAME, AND RUBBER COMPOSITION CONTAINING SAME
    Publication number: 20160159957
    Abstract: Disclosed is a method of preparing a modified conjugated diene-based polymer, including (a) polymerizing a conjugated diene monomer, or a conjugated diene monomer and an aromatic vinyl monomer, using the compound represented by Chemical Formula 1 in the presence of a hydrocarbon solvent, thus forming an active polymer having an alkali metal end, and (b) coupling or reacting the active polymer with the compound represented by Chemical Formula 2.
    Type: Application
    Filed: November 14, 2014
    Publication date: June 9, 2016
    Applicant: LG Chem, Ltd.
    Inventors: Heungyeal Choi, Noma Kim, Yujin Kim, Heseung Lee, Kiseok Son