Patents by Inventor Cheolbeom BAE

Cheolbeom BAE 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).

  • Copolymer, rubber composition, and method of preparing the same
    Patent number: 11549003
    Abstract: Disclosed is a copolymer including a first part including an aromatic vinyl-based monomer and a conjugated diene-based monomer; and a second part including an aromatic vinyl-based monomer and a conjugated diene-based monomer, wherein the content of the aromatic vinyl-based monomer is 35 to 45% by weight based on a total weight of the copolymer, and the copolymer satisfies Equation 1 below: V1>V2??<Equation 1> wherein V1 is a vinyl content in the first part, and V2 is a vinyl content in the second part.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: January 10, 2023
    Assignee: KOREA KUMHO PETROCHEMICAL CO., LTD.
    Inventors: Ji Hyun Heo, June Park, Cheolbeom Bae, Sung Hoon Han, Se-Hee Jung
  • COPOLYMER, RUBBER COMPOSITION, AND METHOD OF PREPARING THE SAME
    Publication number: 20200255635
    Abstract: Disclosed is a copolymer including a first part including an aromatic vinyl-based monomer and a conjugated diene-based monomer; and a second part including an aromatic vinyl-based monomer and a conjugated diene-based monomer, wherein the content of the aromatic vinyl-based monomer is 35 to 45% by weight based on a total weight of the copolymer, and the copolymer satisfies Equation 1 below: V1>V2 ??<Equation 1> wherein V1 is a vinyl content in the first part, and V2 is a vinyl content in the second part.
    Type: Application
    Filed: October 25, 2019
    Publication date: August 13, 2020
    Inventors: Ji Hyun HEO, June PARK, Cheolbeom BAE, Sung Hoon HAN, Se-Hee JUNG