Patents by Inventor Chenchen Cai

Chenchen Cai 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: 20260192002
    Abstract: A prostate-specific membrane antigen (PSMA)-targeting ligand compound and a chelate thereof and use thereof are provided. The PSMA-targeting ligand compound has a structure as shown in formula I, where R1, R2 and R4 are each independently selected from the group consisting of H and optionally substituted linear or branched C1-C5 alkyl; R3 is selected from the group consisting of optionally substituted aryl and optionally substituted heteroaryl; X is a sulfur atom or an oxygen atom; Y is selected from the group consisting of a chemical bond and —NH—(CH2)m-, where m is an integer selected from 0-18; and Z is a radioactive metal ion chelating group.
    Type: Application
    Filed: December 30, 2025
    Publication date: July 9, 2026
    Inventors: Peishang Li, Xiangsheng Kong, Chenchen Cai, Zhiqian Wang, Xue Wang, Hongzhang Zhang