Patents by Inventor David Jalland

David Jalland 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).

  • Gypsum-based panel
    Patent number: 11680019
    Abstract: A panel has a gypsum matrix, in which the following additives are embedded: glass fibre in an amount greater than 1 wt % relative to the gypsum and a synthetic polymeric binder in an amount greater than 2.5 wt % relative to the gypsum. The glass fibre and synthetic polymeric binder are present in a weight ratio of at least 2 parts binder to one part fibre. The amount of sand present in the gypsum matrix lies in the range 0-0.5 wt % relative to the gypsum. The amount of cellulosic fibre present in the gypsum matrix lies in the range 0-2 wt % relative to the gypsum.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: June 20, 2023
    Assignee: Saint-Gobain Placo SAS
    Inventors: Nicholas Jones, Adam Richardson, Jan Rideout, Laura Brooks, Joanna Sparkes, David Jalland, Nicola Jupp
  • Gypsum-Based Panel
    Publication number: 20190152855
    Abstract: A panel has a gypsum matrix, in which the following additives are embedded: glass fibre in an amount greater than 1 wt % relative to the gypsum and a synthetic polymeric binder in an amount greater than 2.5 wt % relative to the gypsum. The glass fibre and synthetic polymeric binder are present in a weight ratio of at least 2 parts binder to one part fibre. The amount of sand present in the gypsum matrix lies in the range 0-0.5 wt % relative to the gypsum. The amount of cellulosic fibre present in the gypsum matrix lies in the range 0-2 wt % relative to the gypsum.
    Type: Application
    Filed: April 6, 2017
    Publication date: May 23, 2019
    Inventors: Nicholas Jones, Adam Richardson, Jan Rideout, Laura Brooks, Joanna Sparkes, David Jalland, Nicola Jupp