Patents by Inventor Antony A. Dowman

Antony A. Dowman 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).

  • Fluoride ion sensitive materials
    Patent number: 5082540
    Abstract: A fluoride ion sensitive material suitable for use as the active component in a fluoride ion sensitive electrode comprises a sintered mixture comprising of up to 99.9 molar % of Lanthanum trifluoride and from 0.1 to 20 molar % Calcium difluoride formed from a body that has been pressed at 10.sup.7 Pa or more and then sintered in a inert atmosphere at 900.degree. C. or more.
    Type: Grant
    Filed: May 7, 1990
    Date of Patent: January 21, 1992
    Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
    Inventors: Jeffrey D. Newman, Ramin Pirzad, David C. Cowell, Antony A. Dowman