Patents by Inventor Zhengfei Sun

Zhengfei Sun 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).

  • THERMAL TREATMENT METHODS FOR POROUS PARTICLES
    Publication number: 20240042417
    Abstract: Disclosed are methods for thermally treating a particle material which used in a chromatographic separation device. The particle material is thermally treated for purposes of controlling and reducing its porosity. Also disclosed are chromatographic separation devices utilizing the thermally treated particle material of the present invention.
    Type: Application
    Filed: July 27, 2023
    Publication date: February 8, 2024
    Inventors: Michael Chitty, Arthur Roy Dixon, James Song, Zhengfei Sun, Zijie Wang, Yinfeng Zong
  • STATIONARY PHASE MATERIALS AND DEVICES USED IN SIZE EXCLUSION CHROMATOGRAPHY
    Publication number: 20240033714
    Abstract: Disclosed are methods of making a porous particle material for use as stationary media and related chromatographic separation devices utilizing the disclosed stationary media.
    Type: Application
    Filed: July 27, 2023
    Publication date: February 1, 2024
    Inventors: Michael Chitty, Arthur Roy Dixon, JR., James Song, Zhengfei Sun, Zijie Wang, Yinfeng Zong