Patents by Inventor Guandao GAO

Guandao GAO 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).

  • Method for activating polytetrafluoroethylene and method for wastewater treatment, electrogenesis, and hydrogen production using polytetrafluoroethylene
    Patent number: 11453753
    Abstract: A method for activating a PTFE, the method including sonicating the PTFE using ultrasonic waves under a frequency of 20 kHz to 15 megahertz. Further provided is a method for electrogenesis, the method including: a) sonicating a polytetrafluoroethylene (PTFE) material using ultrasonic waves under a frequency of 20 kHz to 15 megahertz; b) connecting a positive electrode and a negative electrode to two opposite surfaces of the PTFE, respectively; and c) applying an external pressure on the positive electrode and the negative electrode.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: September 27, 2022
    Assignee: NANJING UNIVERSITY
    Inventors: Guandao Gao, Yanfeng Wang, Liangtao Pu, Jie Ding
  • METHOD FOR ACTIVATING POLYTETRAFLUOROETHYLENE AND METHOD FOR WASTEWATER TREATMENT, ELECTROGENESIS, AND HYDROGEN PRODUCTION USING POLYTETRAFLUOROETHYLENE
    Publication number: 20210206925
    Abstract: A method for activating a PTFE, the method including sonicating the PTFE using ultrasonic waves under a frequency of 20 kHz to 15 megahertz. Further provided is a method for electrogenesis, the method including: a) sonicating a polytetrafluoroethylene (PTFE) material using ultrasonic waves under a frequency of 20 kHz to 15 megahertz; b) connecting a positive electrode and a negative electrode to two opposite surfaces of the PTFE, respectively; and c) applying an external pressure on the positive electrode and the negative electrode.
    Type: Application
    Filed: June 16, 2020
    Publication date: July 8, 2021
    Inventors: Guandao GAO, Yanfeng WANG, Liangtao PU, Jie DING