Patents by Inventor Desmond G. Eadon

Desmond G. Eadon 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).

  • Pigmentary material
    Patent number: 5779784
    Abstract: A pigmentary material comprises silver in a lattice of crystalline zirconia, which material contains at least 0.4% by weight of the silver. A process for preparing a pigmentary material comprising silver in a lattice of crystalline zirconia comprises calcining a zirconium component which yields the zirconia, and a silver component which yields the silver, forming a calcination mixture of the resultant zirconium and silver moieties and cooling the mixture, the weight of fluoride compound in the total weight of the components to be calcined being less than 6%.
    Type: Grant
    Filed: September 23, 1996
    Date of Patent: July 14, 1998
    Assignee: Cookson Matthey Ceramics & Materials Limited
    Inventors: Desmond G. Eadon, Pamela Wood