Patents by Inventor John Fall

John Fall 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).

  • Foamed slurry and building panel made therefrom
    Publication number: 20080000392
    Abstract: A gypsum slurry is described that includes water, a hydraulic component comprising at least 50% calcined gypsum by weight based on the dry weight of the hydraulic component, foam, a defoamer and a polycarboxylate dispersant. In some embodiments of the invention, the defoamer is combined with the dispersant prior to being added to the gypsum slurry. The defoamer and dispersant can be added as a physical mixture, wherein the defoamer is attached onto the dispersant polymer, or a combination thereof. In some embodiments, a gypsum building panel is made from the gypsum slurry.
    Type: Application
    Filed: August 17, 2007
    Publication date: January 3, 2008
    Inventors: David Blackburn, Runhai Lu, Sharon Tracy, Qingxia Liu, James Wittbold, Bruce Petersen, Alfred Li, John Fall, Michael Shake, Chris Lee