Patents by Inventor Xiujaun Zhang

Xiujaun Zhang 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).

  • SHINGLES WITH INCREASED HYDROPHOBICITY
    Publication number: 20150240495
    Abstract: One exemplary embodiment of a shingle includes a substrate, a surface layer of granules, a backdust layer, and hydrophobic material. The substrate is infiltrated with asphalt to form a first asphalt coating on the top or upper surface of the substrate and a second asphalt coating on the bottom or lower surface of the substrate. A surface layer of granules is embedded in the first asphalt coating. A backdust layer of particles is embedded in the second asphalt coating. A hydrophobic material is applied to at least one of the surface layer and the backdust layer.
    Type: Application
    Filed: February 17, 2015
    Publication date: August 27, 2015
    Inventors: Donn R. Vermilion, Xiujaun Zhang, William Brian Ward, Chris Armintrout