Patents by Inventor Christopher J. Borovka

Christopher J. Borovka 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).

  • Coated building panels and articles containing calcium sulfate hemihydrate
    Patent number: 10427978
    Abstract: A method of finishing an interior wall includes the steps of preparing a substrate of building panels including gypsum, cement or combinations thereof, the substrate having a surface, followed by applying a coating to the substrate, the coating having 1-30% by weight of a latex emulsion binder, 30-80% by weight calcium sulfate hemihydrate, up to about 8% by weight of a set inhibiting agent and 20-60% by weight water.
    Type: Grant
    Filed: April 22, 2008
    Date of Patent: October 1, 2019
    Assignee: UNITED STATES GYPSUM COMPANY
    Inventors: Lee K. Yeung, Jeffrey F. Grussing, Christopher J. Borovka
  • Coated building panels and articles containing calcium sulfate hemihydrate
    Patent number: 9919969
    Abstract: A method of finishing an interior wall includes the steps of preparing a substrate of building panels comprising gypsum, cement or combinations thereof, said substrate having a surface, followed by applying a coating to the substrate, said coating comprising 1-30% by weight of a latex emulsion binder, 30-80% by weight calcium sulfate hemihydrate, up to about 8% by weight of a set inhibiting agent and 20-60% by weight water.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: March 20, 2018
    Assignee: UNITED STATES GYPSUM COMPANY
    Inventors: Lee K. Yeung, Jeffrey F. Grussing, Christopher J. Borovka
  • COATED BUILDING PANELS AND ARTICLES CONTAINING CALCIUM SULFATE HEMIHYDRATE
    Publication number: 20160355438
    Abstract: A method of finishing an interior wall includes the steps of preparing a substrate of building panels comprising gypsum, cement or combinations thereof, said substrate having a surface, followed by applying a coating to the substrate, said coating comprising 1-30% by weight of a latex emulsion binder, 30-80% by weight calcium sulfate hemihydrate, up to about 8% by weight of a set inhibiting agent and 20-60% by weight water.
    Type: Application
    Filed: August 22, 2016
    Publication date: December 8, 2016
    Inventors: Lee K. Yeung, Jeffrey F. Grussing, Christopher J. Borovka
  • COATED BUILDING PANELS AND ARTICLES CONTAINING CALCIUM SULFATE HEMIHYDRATE
    Publication number: 20090263673
    Abstract: A method of finishing an interior wall includes the steps of preparing a substrate of building panels comprising gypsum, cement or combinations thereof, said substrate having a surface, followed by applying a coating to the substrate, said coating comprising 1-30% by weight of a latex emulsion binder, 30-80% by weight calcium sulfate hemihydrate, up to about 8% by weight of a set inhibiting agent and 20-60% by weight water.
    Type: Application
    Filed: April 22, 2008
    Publication date: October 22, 2009
    Inventors: Lee K. Yeung, Jeffrey F. Grussing, Christopher J. Borovka