Patents by Inventor Linzhu Zhang

Linzhu 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).

  • Publication number: 20240141177
    Abstract: Described herein is a building panel comprising a first major exposed surface opposite a second major exposed surface, the building panel comprising: a body having a first major surface opposite a second major surface and a plurality of perforations extending from the first major surface toward the second major surface; a flame-retardant coating atop the first major surface of the body and extending into the plurality of perforations, the coating comprising a silicate compound and an amphoteric surfactant; and wherein the building panel has an airflow resistance of less than about 12,000 rayls as measured between the first major exposed surface and the second major exposed surface.
    Type: Application
    Filed: October 25, 2023
    Publication date: May 2, 2024
    Inventors: John E. HUGHES, Linzhu ZHANG
  • Publication number: 20240026162
    Abstract: Described herein is a building panel comprising a body having an upper surface opposite a lower surface and a side surface extending there-between, a coating applied to the side surface, the coating comprising a binder, a pigment composition, and an amphoteric surfactant.
    Type: Application
    Filed: July 21, 2023
    Publication date: January 25, 2024
    Inventors: Linzhu ZHANG, John E. HUGHES, Jessica L. VOIGHT
  • Publication number: 20230383531
    Abstract: Described herein is a flame-retardant building panel comprising a body having a first major surface opposite a second major surface, an inorganic coating atop the first major surface, the inorganic coating being optically transparent and flame retardant and comprising a silicate compound; and wherein the inorganic flame retardant coating is substantially transparent such that the first major surface of the body is visible through the inorganic coating.
    Type: Application
    Filed: August 9, 2023
    Publication date: November 30, 2023
    Inventors: John E. Hughes, Linzhu Zhang, Michelle X. Wang
  • Patent number: 11761200
    Abstract: Described herein is a flame-retardant building panel comprising a body having a first major surface opposite a second major surface, an inorganic coating atop the first major surface, the inorganic coating being optically transparent and flame retardant and comprising a silicate compound; and wherein the inorganic flame retardant coating is substantially transparent such that the first major surface of the body is visible through the inorganic coating.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: September 19, 2023
    Assignee: AWI LICENSING LLC
    Inventors: John E. Hughes, Linzhu Zhang, Michelle X. Wang
  • Publication number: 20230279257
    Abstract: Described herein is a coating composition suitable for application to a panel. The coating composition exhibits stability upon exposure to various temperatures, such as temperatures which induce freezing and thawing. The coating composition comprises calcium carbonate; titanium dioxide; opacity pigment composite comprising TiO2 encapsulated within a precipitated calcium carbonate shell; calcined diatomaceous earth; calcium chloride, aluminum hydroxide; and vinyl acrylic polymer. Described herein are also building panels coated with the coating composition and methods of their formation.
    Type: Application
    Filed: February 28, 2023
    Publication date: September 7, 2023
    Inventors: John E. HUGHES, Linzhu ZHANG, Lori Jo L. SHEARER
  • Publication number: 20230257631
    Abstract: Described herein is a fire-resistant adhesive coating composition which emits water vapor when exposed to fire. Such compositions comprise an ionic polyacrylate dispersant, aluminum hydroxide, silicate, and an alkoxylated alcohol. In certain embodiments, the composition comprises a solids content of at least about 44.2%, based on the wet weight of the composition. Also described herein are methods for making and using of such coating compositions.
    Type: Application
    Filed: February 11, 2023
    Publication date: August 17, 2023
    Inventors: John E. HUGHES, Linzhu Zhang, Michelle X. WANG
  • Publication number: 20230130177
    Abstract: Described herein is a coating composition suitable for application to a panel. The coating composition exhibits stability upon exposure to high temperatures. The coating composition comprises calcium carbonate; titanium dioxide; opacity pigment composite comprising TiO2 encapsulated within a precipitated calcium carbonate shell; calcined diatomaceous earth; aluminum hydroxide; and vinyl acrylic polymer. Described herein are also building panels coated with the coating composition and methods of their formation.
    Type: Application
    Filed: October 26, 2022
    Publication date: April 27, 2023
    Inventors: Linzhu ZHANG, John E. HUGHES, Jason T. CAVANAUGH, Lori Jo L. SHEARER
  • Publication number: 20230072469
    Abstract: Described herein is a surface coating composition useful to provide durability and fire resistance to building panels, as well as methods to prepare the same. The coating composition comprises silicate present in an amount from about 65 to about 85 wet wt. %; hectorite clay present in an amount from about 0.15 to about 0.5 wet wt. %; silica present in an amount from about 1 to about 3 wet wt. %; and polysorbate present in an amount from about 0.5 to about 10 wet wt. %.
    Type: Application
    Filed: September 7, 2022
    Publication date: March 9, 2023
    Inventors: John E. HUGHES, Linzhu ZHANG, Michelle X. WANG
  • Publication number: 20220290425
    Abstract: Described herein is a coated building panel comprising an acoustical body comprising a first major surface and a side surface that intersects the first major surface, a coating applied to the first major surface, the coating comprising a polymeric binder, a pigment, and a hydrophobic component present in an amount ranging from about 1.0 wt. % to about 8.0 wt. % based on the total weight of the coating; and wherein the pigment and polymeric binder are present in a weight ratio ranging from about 3.5:1 to about 6.5:1.
    Type: Application
    Filed: March 9, 2022
    Publication date: September 15, 2022
    Inventors: John E. HUGHES, Christian BUSQUE, Linzhu ZHANG
  • Publication number: 20220289987
    Abstract: Described herein is a barrier coating composition comprising an organic blend comprising a first component and a second component, the first component comprising latex polymer and the second component being selected from polyurethane emulsion, wax emulsion, and alkyd emulsion, wherein the first component and the second component are present in a weight ratio ranging from about 2:1 to about 20:1, and the latex polymer has a glass transition temperature of less than about 18° C.
    Type: Application
    Filed: May 26, 2022
    Publication date: September 15, 2022
    Inventors: Linzhu ZHANG, John E. HUGHES, Michelle X. WANG, Steven L. MASIA
  • Patent number: 11365322
    Abstract: Described herein is a barrier coating composition comprising an organic blend comprising a first component and a second component, the first component comprising latex polymer and the second component being selected from polyurethane emulsion, wax emulsion, and alkyd emulsion, wherein the first component and the second component are present in a weight ratio ranging from about 2:1 to about 20:1, and the latex polymer has a glass transition temperature of less than about 18° C.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: June 21, 2022
    Assignee: AWI Licensing LLC
    Inventors: Linzhu Zhang, John E. Hughes, Michelle X. Wang, Steven L. Masia
  • Publication number: 20220177711
    Abstract: Described herein is a building panel comprising: a substrate, and a coating applied to the substrate, the coating comprising a blend of an antimicrobial composition, a binder, and a pigment, wherein the antimicrobial composition consists essentially of zinc borate.
    Type: Application
    Filed: December 1, 2021
    Publication date: June 9, 2022
    Inventors: Michelle X. WANG, Ying CHANG, John E. HUGHES, Linzhu ZHANG, Steven L. MASIA
  • Publication number: 20180346738
    Abstract: Described herein is a barrier coating composition comprising an organic blend comprising a first component and a second component, the first component comprising latex polymer and the second component being selected from polyurethane emulsion, wax emulsion, and alkyd emulsion, wherein the first component and the second component are present in a weight ratio ranging from about 2:1 to about 20:1, and the latex polymer has a glass transition temperature of less than about 18° C.
    Type: Application
    Filed: May 31, 2018
    Publication date: December 6, 2018
    Inventors: Linzhu Zhang, John E. Hughes, Michelle X. Wang, Steven L. Masia
  • Publication number: 20180347186
    Abstract: Described herein is a flame-retardant building panel comprising a body having a first major surface opposite a second major surface, an inorganic coating atop the first major surface, the inorganic coating being optically transparent and flame retardant and comprising a silicate compound; and wherein the inorganic flame retardant coating is substantially transparent such that the first major surface of the body is visible through the inorganic coating.
    Type: Application
    Filed: May 31, 2018
    Publication date: December 6, 2018
    Inventors: John E. Hughes, Linzhu Zhang, Michelle X. Wang