Patents by Inventor Bongjun SONG

Bongjun SONG 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).

  • Publication number: 20240002649
    Abstract: The present invention relates to a thermoplastic resin composition and a molded article produced therefrom, the thermoplastic resin composition comprising: a base resin containing (A1) 20-40 wt % of a butadiene-based rubber-modified aromatic vinyl-vinyl cyanide graft copolymer, (A2) 30-75 wt % of an aromatic vinyl-vinyl cyanide copolymer, and (B) 5-40 wt % of polyamide resin; (C) a polyether-ester-amide block copolymer having a crystallization temperature (Tc) of 145° C. or less in an amount of 1-15 parts by weight per 100 parts by weight of the base resin; and (D) maleic anhydride-aromatic vinyl-vinyl cyanide copolymer in an amount of 0.5 to 10 parts by weight per 100 parts by weight of the base resin.
    Type: Application
    Filed: November 24, 2021
    Publication date: January 4, 2024
    Inventors: Sanghyun HONG, Hanna KIM, Kyunha BAN, Bongjun SONG
  • Publication number: 20230416514
    Abstract: Provided are a thermoplastic resin composition and a molded product manufactured therefrom, the thermoplastic resin composition comprising, on the basis of 100 parts by weight of a base resin, (C) 1-10 parts by weight of an aromatic vinyl-vinyl cyanide-maleic anhydride copolymer, (D) 1-15 parts by weight of a polyether-ester-amide block copolymer, and (E) 0.1-5 parts by weight of a trifluoromethane sulfonate metal salt, the base resin comprising (A1) 20-40 wt % of a butadiene-based rubber-modified aromatic vinyl-vinyl cyanide graft copolymer, (A2) 45-65 wt % of an aromatic vinyl-vinyl cyanide copolymer comprising 30-40 wt % of a component derived from a vinyl cyanide compound, and (B) 5-25 wt % of a polyamide resin.
    Type: Application
    Filed: November 24, 2021
    Publication date: December 28, 2023
    Inventors: Hanna KIM, Sanghyun HONG, Kyunha BAN, Bongjun SONG, Wonyoung CHOI
  • Publication number: 20230272207
    Abstract: The present invention relates to a thermoplastic resin composition and a molded article produced therefrom, the thermoplastic resin composition including, based on 100 parts by weight of a base resin including (A1) 20 to 40 wt% of a butadiene-based rubber-modified aromatic vinyl-vinyl cyanide graft copolymer, (A2) 30 to 75 wt% of an aromatic vinyl-vinyl cyanide copolymer, and (B) 5 to 40 wt% of a polyamide resin, (C) 1 to 15 parts by weight of a polyether ester amide block copolymer, and (D) 0.5 to 10 parts by weight of a maleic anhydride-aromatic vinyl-vinyl cyanide copolymer.
    Type: Application
    Filed: February 22, 2021
    Publication date: August 31, 2023
    Inventors: Sanghyun HONG, Hanna KIM, Bongjun SONG, Youngsub JIN, Wonyoung CHOI
  • Publication number: 20230133698
    Abstract: The present invention relates to a thermoplastic resin composition and a molded product produced therefrom, the thermoplastic resin composition including, based on 100 parts by weight of a base resin including (A1) 20 to 40 wt % of a butadiene-based rubber-modified aromatic vinyl-vinyl cyanide graft copolymer, (A2) 30 to 75 wt % of an aromatic vinyl-vinyl cyanide copolymer, and (B) 5 to 40 wt % of a polyamide resin, (C) 1 to 15 parts by weight of a polyether ester amide block copolymer, and (D) 0.5 to 10 parts by weight of an N-substituted maleimide-aromatic vinyl-maleic anhydride copolymer.
    Type: Application
    Filed: March 26, 2021
    Publication date: May 4, 2023
    Inventors: Hanna KIM, Youngsub JIN, Sanghyun HONG, Bongjun SONG, Wonyoung CHOI