Patents by Inventor David Malcolm Sutcliffe

David Malcolm Sutcliffe 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).

  • Catalyst beds for oxidizing ammonia to nitrogen oxides
    Patent number: 3948610
    Abstract: A catalyst bed for a reactor for oxidising ammonia in the presence of a particulate catalyst which either comprises a first layer occupying part of the cross-section of the reactor and a second layer downstream of the first layer and shaped to occupy more than the part of the cross-section not occupied by the first layer, or is disposed between two perforate septa each in the form of a wall of a solid figure parallel to, or tapering outwards or inwards in, the direction of gas flow.
    Type: Grant
    Filed: June 4, 1973
    Date of Patent: April 6, 1976
    Assignee: Imperial Chemical Industries Limited
    Inventors: David Malcolm Sutcliffe, Richard John Young, Wilhelm Wyrwas