Patents by Inventor Ann B. Tipton

Ann B. Tipton 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 hydrogen sulfide content in geothermal steam
    Patent number: 4374106
    Abstract: A process for removing hydrogen sulfide from geothermal steam utilizes iron oxide supported by a carrier resistant to deterioration by the geothermal steam. The process includes the addition of an oxygen-containing gas to the geothermal steam before contacting the steam with the iron oxide at a temperature of at least about 300.degree. F. The amount of oxygen added to the geothermal steam is sufficient to make the molar ratio of oxygen-to-hydrogen sulfide in the steam to be at least about 10.
    Type: Grant
    Filed: April 30, 1982
    Date of Patent: February 15, 1983
    Assignee: Occidental Research Corporation
    Inventors: Ann B. Tipton, Alan C. Crosby
  • Desulfurization of carbonaceous materials
    Patent number: 4359451
    Abstract: Solid carbonaceous material, especially coal or coal char, is desulfurized by treatment with a limited amount of hydrogen to convert the organic sulfur to sulfide sulfur at an elevated temperature. The thusly formed sulfide sulfur is then removed from the solid carbonaceous material by steam treatment or other means.
    Type: Grant
    Filed: September 5, 1978
    Date of Patent: November 16, 1982
    Assignee: Occidental Research Corporation
    Inventor: Ann B. Tipton