Patents by Inventor Hengrui Zhang

Hengrui Zhang 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).

  • Patent number: 12324769
    Abstract: A preparation method of a double-network versatile hydrogel with antibacterial and drug sequential release capabilities is provided in the present disclosure, belonging to the technical field of biological corneas. The preparation method includes the following steps: mixing filipin protein-methacrylate, glycidyl methacrylate functionalized quaternized chitosan, polydeoxyribonucleotide, and lithium phenyl(2,4,6-trimethylbenzoyl) phosphinate with drug-loaded micelles, followed by cross-linking under irradiation of ultraviolet to construct a double-network versatile hydrogel with antibacterial and drug sequential release capabilities.
    Type: Grant
    Filed: October 11, 2024
    Date of Patent: June 10, 2025
    Assignee: EYE INSTITUTE OF SHANDONG FIRST MEDICAL UNIVERSITY
    Inventors: Hengrui Zhang, Qingjun Zhou, Shuqin Meng, Huifang Ren
  • Publication number: 20250169985
    Abstract: A preparation method of a double-network versatile hydrogel with antibacterial and drug sequential release capabilities is provided in the present disclosure, belonging to the technical field of biological corneas. The preparation method includes the following steps: mixing filipin protein-methacrylate, glycidyl methacrylate functionalized quaternized chitosan, polydeoxyribonucleotide, and lithium phenyl(2,4,6-trimethylbenzoyl) phosphinate with drug-loaded micelles, followed by cross-linking under irradiation of ultraviolet to construct a double-network versatile hydrogel with antibacterial and drug sequential release capabilities.
    Type: Application
    Filed: October 11, 2024
    Publication date: May 29, 2025
    Applicant: Eye Institute of Shandong First Medical University
    Inventors: Hengrui ZHANG, Qingjun ZHOU, Shuqin MENG, Huifang REN