Patents by Inventor Kai-Cheng Zhong

Kai-Cheng Zhong 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).

  • Polyimides, ketone-containing alicyclic dianhydrides and applications thereof
    Patent number: 11898010
    Abstract: Present invention is related to a polyimide of formula as following: and a ketone-containing alicyclic dianhydride of formula as following: wherein: R1, R2, R3, R4 denote hydrogen atom or carbon containing functional group with carbon number at a range of 1-4; R5 denotes diamine group; and n equals to any positive integer.
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: February 13, 2024
    Assignee: National Taiwan University of Science and Technology
    Inventors: Jyh-Chien Chen, Hsiang Jung Lee, Kai-Cheng Zhong
  • Polyimides, Ketone-Containing Alicyclic Dianhydrides and Applications Thereof
    Publication number: 20220372228
    Abstract: Present invention is related to a polyimide of formula as following: and a ketone-containing alicyclic dianhydride of formula as following: wherein: R1, R2, R3, R4 denote hydrogen atom or carbon containing functional group with carbon number at a range of 1-4; R5 denotes diamine group; and n equals to any positive integer.
    Type: Application
    Filed: July 23, 2021
    Publication date: November 24, 2022
    Inventors: Jyh-Chien Chen, Hsiang Jung Lee, Kai-Cheng Zhong