Patents Examined by Robert S Jones, Jr.
  • Process for enhancing the molecular weight of a polyester
    Patent number: 10072119
    Abstract: The molecular weight of a semi-crystalline starting polyester comprising ethylene 2,5-furandicarboxylate units is enhanced by heating the semi-crystalline starting polyester, having a melting point Tm, at a temperature in the range of (Tm-40° C.) to Tm to obtain a solid stated polyester, where the semi-crystalline starting polyester has an intrinsic viscosity of at least 0.45 dL/g, and an amount of carboxylic acid end groups in the range of 15 to 122 meq/kg.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: September 11, 2018
    Assignee: Synvina C.V.
    Inventors: Jeffrey John Kolstad, Gerardus Johannes Maria Gruter, Matheus Adrianus Dam, Jesper Gabriël van Berkel, Robert Joseph Schiavone, Marion L. Andrews
  • Flame retardant thermoplastic resin composition having superior thermal stability, method of preparing the same, and molded article manufactured from the same
    Patent number: 10011710
    Abstract: The present disclosure relates to a flame retardant thermoplastic resin composition having superior thermal stability, and a molded article manufactured from the same. More particularly, the present disclosure provides a flame retardant thermoplastic resin composition exhibiting both superior thermal stability and flame retardancy without harmful gas generation even when injection-molded at high temperature, high pressure, and high speed and a molded article manufactured from the same.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: July 3, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Je Sun Yoo, Ki Young Nam, Yong Yeon Hwang, Jae Young Sim, Seon Hyeong Bae, Jae Yeon Bae, In Seok Kim