Patents by Inventor Lee Kun Cho

Lee Kun Cho 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).

  • Thermoplastic elastomer composition
    Patent number: 8022128
    Abstract: A thermoplastic elastomer composition comprises (A) about 25 to about 55 parts by weight of a block terpolymer including an aromatic vinyl compound and an alkene compound; (B) about 20 to about 50 parts by weight of a paraffin oil; (C) about 5 to about 15 parts by weight of a polyolefin resin; (D) about 5 to about 20 parts by weight of an inorganic additive; and (E) about 3 to about 15 parts by weight of a polyphenylene ether. The thermoplastic elastomer composition can have excellent physical properties, such as flexibility (or resilience), surface hardness, and restoring force at high temperatures.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: September 20, 2011
    Assignee: Cheil Industries Inc.
    Inventors: Bum Seok Youn, Lee Kun Cho, Young Sik Ryu, Chang Min Hong, Young Sil Lee, Young Jun Lee
  • Thermoplastic Elastomer Composition
    Publication number: 20100152320
    Abstract: A thermoplastic elastomer composition comprises (A) about 25 to about 55 parts by weight of a block terpolymer including an aromatic vinyl compound and an alkene compound; (B) about 20 to about 50 parts by weight of a paraffin oil; (C) about 5 to about 15 parts by weight of a polyolefin resin; (D) about 5 to about 20 parts by weight of an inorganic additive; and (E) about 3 to about 15 parts by weight of a polyphenylene ether. The thermoplastic elastomer composition can have excellent physical properties, such as flexibility (or resilience), surface hardness, and restoring force at high temperatures.
    Type: Application
    Filed: December 9, 2009
    Publication date: June 17, 2010
    Applicant: Cheil Industries Inc.
    Inventors: Bum Seok Youn, Lee Kun Cho, Young Sik Ryu, Chang Min Hong, Young Sil Lee, Young Jun Lee