Patents by Inventor David M. Singleton

David M. Singleton 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).

  • Process for reducing the total sulfur content of Claus off-gases
    Patent number: 4012486
    Abstract: The sulfur content of off-gases from processes such as the Claus process is treated by catalytically oxidizing the sulfur compounds to sulfur dioxide. By use of specific catalytic materials, low temperatures of reaction and minimal SO.sub.3 formation are achieved.
    Type: Grant
    Filed: July 2, 1975
    Date of Patent: March 15, 1977
    Assignee: Shell Development Company
    Inventor: David M. Singleton