Patents by Inventor YI-ZHOU CHEN

YI-ZHOU CHEN 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).

  • Perfluoropolyether compound containing carboxyl group
    Patent number: 12037352
    Abstract: Disclosed herein are carboxyl group containing perfluoropolyether compounds of formula (I): Rf—X1—X2 (I), wherein the groups Rf, X1 and X2 are defined herein. Also disclosed are methods of preparing and using perfluoropolyether compounds.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: July 16, 2024
    Assignee: GUANGZHOU UR MATERIALS TECHNOLOGY CO., LTD.
    Inventors: Yi-Jing Chen, Qi-Guan Wang, Gong-Zhou Chen
  • Lutein-containing ophthalmic composition
    Patent number: 11426346
    Abstract: A lutein-containing ophthalmic composition, wherein the ophthalmic composition is mainly consisting of a natural anti-inflammatory substance, a substance with increasing liquid viscosity, and an artificial tear. The substance with increasing liquid viscosity could apply the ophthalmic composition to elongate the retention time on the ocular surface, thereby increasing the retention time of anti-inflammatory substance on the ocular surface for treating dry eye syndrome and inhibiting ocular surface inflammation.
    Type: Grant
    Filed: October 13, 2019
    Date of Patent: August 30, 2022
    Assignee: TAIPEI MEDICAL UNIVERSITY
    Inventors: Ching-Li Tseng, I-Chan Lin, Yi-Zhou Chen, Yu-Lun Chuang, Cheng-Han Tsai, Zhi-Yu Chen
  • LUTEIN-CONTAINING OPHTHALMIC COMPOSITION
    Publication number: 20200222316
    Abstract: A lutein-containing ophthalmic composition, wherein the ophthalmic composition is mainly consisting of a natural anti-inflammatory substance, a substance with increasing liquid viscosity, and an artificial tear. The substance with increasing liquid viscosity could apply the ophthalmic composition to elongate the retention time on the ocular surface, thereby increasing the retention time of anti-inflammatory substance on the ocular surface for treating dry eye syndrome and inhibiting ocular surface inflammation.
    Type: Application
    Filed: October 13, 2019
    Publication date: July 16, 2020
    Inventors: CHING-LI TSENG, I-CHAN LIN, YI-ZHOU CHEN, YU-LUN CHUANG, CHENG-HAN TSAI, ZHI-YU CHEN