Patents by Inventor Yizhe WEI

Yizhe WEI 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).

  • Publication number: 20250033321
    Abstract: A self-adhering roofing membrane, a fully-adhered roof system and a method for producing a self-adhering roofing membrane, the roofing membrane including a waterproofing layer including at least one polymer P1, a first adhesive layer, a barrier layer including a polymeric film including at least one polymer P2, a second adhesive layer, and optionally a release liner, wherein the first and second adhesive layers are pressure sensitive adhesive layers.
    Type: Application
    Filed: January 17, 2023
    Publication date: January 30, 2025
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Shenghua XU, Yizhe WEI, Qin WEI
  • Publication number: 20230140264
    Abstract: A separation sheet includes a polymeric carrier layer, a first adhesive layer, a second adhesive layer, and optionally a first and a second release liner. A method for producing a separation sheet, a method for waterproofing a substrate, a waterproofed substrate, and a use of the separation sheet for bonding of roof membranes to roof substrates.
    Type: Application
    Filed: April 2, 2020
    Publication date: May 4, 2023
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Yizhe WEI, Qin WEI