Patents by Inventor Thomas H. Webster

Thomas H. Webster 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).

  • Desulphuration of metals
    Patent number: 4209325
    Abstract: Injectable composition for desulphurizing molten ferrous metals, especially iron, comprises alkaline earth metal, preferably magnesium, and sintered mixture of lime and at least one fluxing agent. Magnesium is preferably 8 to 60% of composition and lime preferably is 45 to 95% of the sintered mixture. Fluxing agent is preferably alumina and fluoride. Composition enables rapid and efficient desulphurization and does not give large amounts of slag.
    Type: Grant
    Filed: December 15, 1978
    Date of Patent: June 24, 1980
    Assignee: Foseco International Limited
    Inventors: Stephen M. Cooper, Thomas H. Webster, Helmut Jaunich