Patents by Inventor Lidong ZHENG

Lidong ZHENG 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: 20210388205
    Abstract: Present application disclosed a stain-resistant polyamide composition comprising, a) 55-80 wt. % of semi-crystalline semi-aromatic polyamide; b) 5-15 wt. % of aliphatic polyamide; c) 15-30 wt. % of amorphous semi-aromatic polyamide; wherein the weight percentages of a), b) and c) are relative to the total weight of a), b) and c) and the sum of the weight percentages of a), b) and c) is 100 wt. %; and wherein the semi-crystalline semi-aromatic polyamide comprises repeat units derived from condensation of terephthalic acid and at least one aliphatic diamine having more than 8 and less than 12 carbon atoms.
    Type: Application
    Filed: October 31, 2019
    Publication date: December 16, 2021
    Inventors: Xin LIU, Lidong ZHENG, Ruogu LIAO
  • Publication number: 20190375889
    Abstract: The invention relates to a foamed composition comprising a thermoplastic copolyester elastomer in an amount of between 70 to 99 wt % and a plasticizer in an amount of between 1 to 30 wt % based on the total amount of the composition and articles comprising the foamed composition, as well as a process for preparing such foamed composition.
    Type: Application
    Filed: January 16, 2018
    Publication date: December 12, 2019
    Inventors: Peter ROOZEMOND, Lidong ZHENG, Ellen VAN HEMELRIJCK
  • Patent number: D1074042
    Type: Grant
    Filed: January 8, 2025
    Date of Patent: May 6, 2025
    Inventor: Lidong Zheng
  • Patent number: D1075119
    Type: Grant
    Filed: December 19, 2023
    Date of Patent: May 13, 2025
    Assignee: Ningbo Heyme Information Technology Co., Ltd.
    Inventor: Lidong Zheng