Patents by Inventor Dengfeng GUO

Dengfeng GUO 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).

  • Aramid-based epoxy resin and preparation method thereof
    Patent number: 11279794
    Abstract: The present invention discloses an aramid-based epoxy resin and a method of making same, including the steps of reacting aramid fiber powder as a raw material with a metallization reagent; grafting a plurality of ethylene oxide, propylene oxide or a mixture thereof to an activated amide group of the aramid to introduce a reactive functional group hydroxyl; and then conducting a ring-opening and closing reaction by using epichlorohydrin to obtain a liquid aramid-based epoxy resin.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: March 22, 2022
    Assignees: NANJING FORESTRY UNIVERSITY, ANHUI XINYUAN CHEMICAL CO., LTD
    Inventors: Xinbao Zhu, Min Yu, Yuting Zhu, Bingxue Xie, Yang Yang, Yang Xi, Fang Wang, Dengfeng Guo, Zhenshuo Cheng, Bo Fu, Xiaoxiang Zhang, Yanyi Chen
  • ARAMID-BASED EPOXY RESIN AND PREPARATION METHOD THEREOF
    Publication number: 20200131303
    Abstract: The present invention discloses an aramid-based epoxy resin and a method of making same, including the steps of reacting aramid fiber powder as a raw material with a metallization reagent; grafting a plurality of ethylene oxide, propylene oxide or a mixture thereof to an activated amide group of the aramid to introduce a reactive functional group hydroxyl; and then conducting a ring-opening and closing reaction by using epichlorohydrin to obtain a liquid aramid-based epoxy resin.
    Type: Application
    Filed: December 10, 2018
    Publication date: April 30, 2020
    Applicants: NANJING FORESTRY UNIVERSITY, ANHUI XINYUAN CHEMICAL CO., LTD
    Inventors: Xinbao ZHU, Min YU, Yuting ZHU, Bingxue XIE, Yang YANG, Yang XI, Fang WANG, Dengfeng GUO, Zhenshuo CHENG, Bo FU, Xiaoxiang ZHANG, Yanyi CHEN