Patents by Inventor Xiujuan Zhang

Xiujuan 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: 20200032517
    Abstract: A shingle includes a substrate having an asphalt coating on a top surface of the substrate and on a bottom surface of the substrate. A surface layer of granules is embedded in the asphalt on the top surface of the substrate. A backdust layer of particles is embedded in the asphalt on the bottom surface of the substrate. A sealant is disposed on the backdust. A hydrophobic material is applied to the sealant.
    Type: Application
    Filed: August 7, 2019
    Publication date: January 30, 2020
    Inventors: Donn R. Vermilion, Xiujuan Zhang, William Brian Ward, Chris Armintrout
  • AQUEOUS BINDER COMPOSITIONS
    Publication number: 20190106563
    Abstract: An aqueous binder composition is disclosed that comprises at least one long-chain polyol having at least two hydroxyl groups and a number average molecular weight of at least 2,000 Daltons; a primary cross-linking agent comprising at least two carboxylic acid groups; and a secondary cross-linking agent comprising a short-chain polyol having at least two hydroxyl groups and a number average molecular weight less than 2,000 Daltons.
    Type: Application
    Filed: October 9, 2018
    Publication date: April 11, 2019
    Inventors: Xiujuan Zhang, Gert Mueller, Kendel Smith
  • AQUEOUS BINDER COMPOSITIONS
    Publication number: 20190106564
    Abstract: An aqueous binder composition is disclosed that comprises at least one long-chain polyol having at least two hydroxyl groups and a number average molecular weight of at least 2,000 Daltons; a primary cross-linking agent comprising at least two carboxylic acid groups; and a secondary cross-linking agent comprising a short-chain polyol having at least two hydroxyl groups and a number average molecular weight less than 2,000 Daltons.
    Type: Application
    Filed: October 9, 2018
    Publication date: April 11, 2019
    Inventors: Xiujuan Zhang, Gert Mueller, Kendel Smith
  • SHINGLES WITH INCREASED HYDROPHOBICITY
    Publication number: 20190017273
    Abstract: A shingle includes a substrate having an asphalt coating on a top surface of the substrate and on a bottom surface of the substrate. A surface layer of granules is embedded in the asphalt on the top surface of the substrate. A backdust layer of particles is embedded in the asphalt on the bottom surface of the substrate. A sealant is disposed on the backdust. A hydrophobic material is applied to the sealant.
    Type: Application
    Filed: September 20, 2018
    Publication date: January 17, 2019
    Inventors: Donn R. Vermilion, Xiujuan Zhang, William Brian Ward, Chris Armintrout