Patents by Inventor Donald Anderson Crooks

Donald Anderson Crooks 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).

  • Catalytic material
    Patent number: 3988514
    Abstract: A self-cleaning catalytic coating for cooking oven walls comprises a mutually sintered matrix of hard catalyst particles and binder particles.The coating is preferably made by forming large hard catalyst particles, such as compressed pellets, milling them to the required size range, typically averaging above 2 microns, then incorporating them with a binder and applying the mixture to a substrate.
    Type: Grant
    Filed: November 21, 1973
    Date of Patent: October 26, 1976
    Assignee: Imperial Chemical Industries Limited
    Inventors: Patrick John Denny, Donald Anderson Crooks