Patents by Inventor Longsheng Feng

Longsheng Feng 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).

  • SKIN-LAYERED POROUS SEPARATORS AND RELATED METHODS
    Publication number: 20250118865
    Abstract: A product, in accordance with one aspect of the present invention, includes a porous first layer having a first porosity, and a porous skin layer having a second porosity that is relatively lower than the first porosity. The skin layer is a self-formed layer. A method, in accordance with one aspect of the present invention, includes contacting a resin with a separator. The resin is exposed to radiation for curing the resin, thereby simultaneously creating a porous first layer and a porous skin layer positioned between the first layer and the separator. The first layer has a first porosity. The skin layer has a second porosity that is relatively lower than the first porosity.
    Type: Application
    Filed: October 4, 2023
    Publication date: April 10, 2025
    Inventors: Juergen Biener, Sijia Huang, Longsheng Feng, Jianchao Ye, Meghann Christine Ma, Donglin Li, Kun Wang, Sangil Kim, Jiandi Wan