Patents by Inventor Sun Mo Son

Sun Mo 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).

  • Patent number: 12630709
    Abstract: Provided is a composite resin composition for automotive interior materials and an automotive interior material including the same. The composite resin composition comprises: 47 to 52 wt % of a polybutylene terephthalate resin; 10 to 28 wt % of a (meth)acrylate compound-conjugated diene compound-aromatic vinyl compound copolymer; 8 to 14 wt % of a polyethylene terephthalate resin; 0.1 to 2.2 wt % of a carboxy reactive epoxy resin; and 10 to 28 wt % of glass fiber containing SiO2, CaO, and Al2O3, wherein an SiO2 content is greater than a sum of a CaO content and an Al2O3 content. By changing conventional components, the composite resin composition for automotive interior materials provided herein has an effect of improving heat resistance, impact stability, and crystallization rate controllability, satisfying physical property balance between mechanical properties and fluidity, and providing excellent product reliability and appearance.
    Type: Grant
    Filed: December 26, 2022
    Date of Patent: May 19, 2026
    Assignee: LG CHEM, LTD.
    Inventors: Gun Ko, Seonho Kong, Sun Mo Son, Hyun Seok Lee
  • Patent number: 12552927
    Abstract: Provided is a thermoplastic resin composition, a method of preparing the same, and a molded article including the same. The composition includes 35 to 50 wt % of a polybutylene terephthalate resin (A) having an intrinsic viscosity of 0.6 to 0.9 dl/g; 5 to 15 wt % of a polyethylene terephthalate homopolymer (B); 7 to 9 wt % of an acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (C) including 23 to 35 wt % of a vinyl cyanide compound; 7 to 12 wt % of an aromatic vinyl compound-vinyl cyanide compound copolymer (D) including 26 to 40 wt % of a vinyl cyanide compound; and 20 to 37 wt % of glass fiber (E) including 50 to 70 wt % of silica (SiO2). Because the composition has excellent heat resistance, fluidity, and impact strength, tensile strength, flexural strength, and flexural modulus, it is applicable to manufacture of automotive exterior materials and parts for automotive electric/electronic equipment.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: February 17, 2026
    Assignee: LG CHEM, LTD.
    Inventors: Seonho Kong, Gun Ko, Sun Mo Son
  • Patent number: 12522726
    Abstract: A composite resin composition for automobile interior products and an automobile interior product manufactured using the same are disclosed. More particularly, raw materials included in the composite resin composition for automobile interior products are optimized so that heat resistance and hydrolysis resistance stability are improved. Accordingly, the balance between physical properties such as mechanical properties and fluidity is satisfied and excellent product reliability and appearance can be provided.
    Type: Grant
    Filed: February 25, 2022
    Date of Patent: January 13, 2026
    Assignee: LG CHEM, LTD.
    Inventors: Gun Ko, Jae Hong Lee, Sun Mo Son, Seonho Kong
  • Patent number: 12503588
    Abstract: Provided is a thermoplastic polyester elastomer resin composition, a method of preparing the polyester elastomer resin composition, and a molded article including the polyester elastomer resin composition. The thermoplastic polyester elastomer resin composition includes 89 to 96 wt % of a thermoplastic polyester elastomer resin (A); 1.5 to 5.5 wt % of a glycidyl group-modified olefin-based rubber polymer (B); and 1.5 to 5.5 wt % of an ionomer resin (C). The thermoplastic polyester elastomer resin composition has excellent mechanical properties and moldability; is capable of suppressing occurrence of flow marks on the inner surface of a molded article; and thus is applicable to a constant velocity joint boot.
    Type: Grant
    Filed: August 12, 2022
    Date of Patent: December 23, 2025
    Assignee: LG CHEM, LTD.
    Inventors: Sungmoon Choi, Kyuyoung Kim, Soojin Sim, Ho Joon Park, Sun Mo Son
  • Publication number: 20250188271
    Abstract: A composite resin composition for automobile interior products and an automobile interior product manufactured using the same are disclosed. More particularly, raw materials included in the composite resin composition for automobile interior products are optimized so that heat resistance and hydrolysis resistance stability are improved. Accordingly, the balance between physical properties such as mechanical properties and fluidity is satisfied and excellent product reliability and appearance can be provided.
    Type: Application
    Filed: February 25, 2022
    Publication date: June 12, 2025
    Inventors: Gun KO, Jae Hong LEE, Sun Mo SON, Seonho KONG
  • Publication number: 20250136806
    Abstract: The present disclosure relates to a polyester resin composition, a method of preparing the same, and a molded article manufactured using the same. The polyester resin composition according to the present disclosure is prepared using specific raw materials, and thus has excellent physical property balance between mechanical properties, electrical properties, fluidity, and flame retardancy. In addition, the polyester resin composition may provide excellent product reliability, heat resistance, and appearance. Due to these advantages, the polyester resin composition may be used instead of a conventional halogen-based flame retardant-containing polyester material.
    Type: Application
    Filed: July 18, 2023
    Publication date: May 1, 2025
    Inventors: Hyun Seok LEE, Gun KO, Sun Mo SON, Seonho KONG
  • Publication number: 20250122330
    Abstract: Disclosed are a thermoplastic resin composition and an automotive interior part manufactured using the same. More particularly, the thermoplastic resin composition according to the present disclosure includes different materials from existing thermoplastic resin compositions, thereby improving heat resistance and impact resistance, satisfying the physical property balance between mechanical properties and fluidity and providing excellent product reliability and appearance quality.
    Type: Application
    Filed: June 28, 2023
    Publication date: April 17, 2025
    Inventors: Seonho KONG, Gun KO, Sun Mo SON, Hyun Seok LEE
  • Publication number: 20250002702
    Abstract: A composite resin composition is described for automobile interior products and an automobile interior product manufactured using the same. More particularly, the composite resin composition for automobile interior products includes optimized materials, thereby providing improved heat resistance and chemical resistance. Accordingly, the composite resin composition for automobile interior products can satisfy the balance between physical properties such as mechanical properties, fluidity, and light resistance and provide excellent product reliability and appearance.
    Type: Application
    Filed: February 25, 2022
    Publication date: January 2, 2025
    Inventors: Gun KO, Seonho KONG, Sun Mo SON
  • Publication number: 20240384092
    Abstract: The present invention relates to a thermoplastic polyester elastomer composition, a method of preparing the same, and a molded article including the same. More particularly, a thermoplastic polyester elastomer composition including 100 parts by weight of a thermoplastic polyester elastomer (A); 0.5 to 2.5 parts by weight of a glycidyl group-modified olefin-based rubber polymer (B) containing 10 to 17% by weight of glycidyl (meth)acrylate; and 0.67 to 1.
    Type: Application
    Filed: December 22, 2022
    Publication date: November 21, 2024
    Inventors: Kyuyoung Kim, Gun Ko, Sungmoon Choi, Soojin Sim, Ho Joon Park, Sun Mo Son
  • Patent number: 12146055
    Abstract: The present disclosure provides a thermoplastic molding composition having excellent chemical resistance and an automobile component including a molded article thereof.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: November 19, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Kwang Su Ryu, Sang Wook Na, Sun Mo Son, Min Han Kwak
  • Publication number: 20240317991
    Abstract: Provided is a polyester resin composition and a molded article manufactured using the same. The polyester resin composition can provide mechanical properties, particularly injection properties, similar to those of inexpensive PBT materials and satisfy both eco-friendliness and heat resistance. Due to these advantages, the polyester resin composition can be applied to a motor insulator part used inside a refrigerator that requires excellent dimensional stability, heat resistance, and injection properties.
    Type: Application
    Filed: December 23, 2022
    Publication date: September 26, 2024
    Inventors: Gun KO, Seonho KONG, Sun Mo SON, Hyun Seok LEE
  • Publication number: 20240309203
    Abstract: Provided is a composite resin composition for automotive interior materials and an automotive interior material including the same. The composite resin composition comprises: 47 to 52 wt % of a polybutylene terephthalate resin; 10 to 28 wt % of a (meth)acrylate compound-conjugated diene compound-aromatic vinyl compound copolymer; 8 to 14 wt % of a polyethylene terephthalate resin; 0.1 to 2.2 wt % of a carboxy reactive epoxy resin; and 10 to 28 wt % of glass fiber containing SiO2, CaO, and Al2O3, wherein an SiO2 content is greater than a sum of a CaO content and an Al2O3 content. By changing conventional components, the composite resin composition for automotive interior materials provided herein has an effect of improving heat resistance, impact stability, and crystallization rate controllability, satisfying physical property balance between mechanical properties and fluidity, and providing excellent product reliability and appearance.
    Type: Application
    Filed: December 26, 2022
    Publication date: September 19, 2024
    Inventors: Gun KO, Seonho KONG, Sun Mo SON, Hyun Seok LEE
  • Publication number: 20240254329
    Abstract: Provided is a thermoplastic resin composition, a method of preparing the same, and a molded article including the same. The composition includes 35 to 50 wt % of a polybutylene terephthalate resin (A) having an intrinsic viscosity of 0.6 to 0.9 dl/g; 5 to 15 wt % of a polyethylene terephthalate homopolymer (B); 7 to 9 wt % of an acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (C) including 23 to 35 wt % of a vinyl cyanide compound; 7 to 12 wt % of an aromatic vinyl compound-vinyl cyanide compound copolymer (D) including 26 to 40 wt % of a vinyl cyanide compound; and 20 to 37 wt % of glass fiber (E) including 50 to 70 wt % of silica (SiO2). Because the composition has excellent heat resistance, fluidity, and impact strength, tensile strength, flexural strength, and flexural modulus, it is applicable to manufacture of automotive exterior materials and parts for automotive electric/electronic equipment.
    Type: Application
    Filed: August 22, 2022
    Publication date: August 1, 2024
    Inventors: Seonho KONG, Gun KO, Sun Mo SON
  • Publication number: 20240247143
    Abstract: Provided is a thermoplastic polyester elastomer resin composition, a method of preparing the polyester elastomer resin composition, and a molded article including the polyester elastomer resin composition. The thermoplastic polyester elastomer resin composition includes 89 to 96 wt % of a thermoplastic polyester elastomer resin (A); 1.5 to 5.5 wt % of a glycidyl group-modified olefin-based rubber polymer (B); and 1.5 to 5.5 wt % of an ionomer resin (C). The thermoplastic polyester elastomer resin composition has excellent mechanical properties and moldability; is capable of suppressing occurrence of flow marks on the inner surface of a molded article; and thus is applicable to a constant velocity joint boot.
    Type: Application
    Filed: August 12, 2022
    Publication date: July 25, 2024
    Inventors: Sungmoon CHOI, Kyuyoung KIM, Soojin SIM, Ho Joon PARK, Sun Mo SON
  • Publication number: 20240240013
    Abstract: Provided is a thermoplastic resin composition including 30 to 50 wt % of a polybutylene terephthalate resin (A); 8 to 20 wt % of a polyethylene terephthalate resin (B); 3 to 15 wt % of an acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (C); 3 to 15 wt % of an aromatic vinyl compound-vinyl cyanide compound copolymer (D); 25 to 40 wt % of glass fiber (E); 0.15 to 1 wt % of a carbodiimide-based compound (F); 0.5 to 1.5 wt % of an epoxy compound (G); and 0.25 to 1.2 wt % of a hindered amine-based light stabilizer (H), a method of preparing the thermoplastic resin composition, and a molded article including the composition. The thermoplastic resin composition has excellent impact strength, tensile and flexural strength, and flexural modulus, and excellent heat resistance; has excellent flexural strength retention rate after the Air-HAST test; and satisfies product reliability required by automotive exterior materials and materials for electric/electronic parts.
    Type: Application
    Filed: August 12, 2022
    Publication date: July 18, 2024
    Inventors: Seonho KONG, Gun KO, Sun Mo SON
  • Publication number: 20240199874
    Abstract: The present disclosure relates to a thermoplastic resin composition and a molded article manufactured using the same. The present disclosure has an effect of providing a thermoplastic resin composition having tensile strength, elongation, and flexural strength equal or superior to those of a conventional polyester composite material; having greatly improved impact strength, flexural modulus, and heat deflection temperature under high load; and thus being suitable for lightweight automotive parts requiring high rigidity, and a molded article manufactured using the thermoplastic resin composition.
    Type: Application
    Filed: December 29, 2022
    Publication date: June 20, 2024
    Inventors: Gun KO, Seonho KONG, Sun Mo SON
  • Publication number: 20240199873
    Abstract: The present disclosure relates to a thermoplastic resin composition and a molded article manufactured using the same. The present disclosure has an effect of providing a thermoplastic resin composition having tensile strength and flexural modulus equal or superior to those of a conventional polyester composite material; having greatly improved impact strength, flexural strength, and heat deflection temperature under high load; and thus being suitable for lightweight automotive parts requiring high rigidity, and a molded article manufactured using the thermoplastic resin composition.
    Type: Application
    Filed: January 2, 2023
    Publication date: June 20, 2024
    Inventors: Gun KO, Seonho KONG, Sun Mo SON
  • Publication number: 20230383054
    Abstract: The present disclosure provides a thermoplastic resin composition including a base resin (A) including a polyalkylene terephthalate and a polycarbonate, an impact modifier (B) having a core-shell structure, a halogenated epoxy-based flame retardant (C), a compatibilizer (D), and a transesterification inhibitor (E) in a predetermined content ratio, wherein the thermoplastic resin composition has a melt flow index (250° C., 5 kg) of 7.0 g/10 min or more and has a WOM value of 70% or more as measured according to UL 746C (f1 Class), and a molded article including the thermoplastic resin composition. The thermoplastic resin composition of the present disclosure may have excellent mechanical strength, molding processability, flame retardancy, hot water resistance, and weather resistance.
    Type: Application
    Filed: September 29, 2022
    Publication date: November 30, 2023
    Inventors: Hyun Seok LEE, Sun Mo SON, Gun KO, Seonho KONG
  • Publication number: 20230129441
    Abstract: The present invention relates to a thermoplastic resin composition and a molded article manufactured using the same. The present invention has an effect of providing a thermoplastic resin composition that has significantly improved tensile strength, is lightweight, and is suitable for replacing metal parts while maintaining impact strength, elongation, and processability equal or superior to those of a conventional polyamide composite material and a molded article manufactured using the thermoplastic resin composition.
    Type: Application
    Filed: September 16, 2021
    Publication date: April 27, 2023
    Inventors: Hong Jin Kim, Sang Rock Lee, Sun Mo Son
  • Publication number: 20220098408
    Abstract: The present disclosure provides a thermoplastic molding composition having excellent chemical resistance and an automobile component including a molded article thereof.
    Type: Application
    Filed: December 4, 2020
    Publication date: March 31, 2022
    Inventors: Kwang Su RYU, Sang Wook NA, Sun Mo SON, Min Han KWAK