Patents by Inventor John R. Case

John R. Case 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).

  • Fire-retardant composition
    Patent number: 4137199
    Abstract: Composite materials composed of an organic polymer containing a fire-retardant together with a blowing agent and a hydroxy group-containing organic acid or a salt thereof, or a reaction product of the blowing agent and said acid or salt.
    Type: Grant
    Filed: July 7, 1975
    Date of Patent: January 30, 1979
    Assignee: Imperial Chemical Industries Limited
    Inventors: Geoffrey T. Brown, John R. Case