Patents by Inventor Michael R. Anseau

Michael R. Anseau 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).

  • Ceramic material
    Patent number: 5023216
    Abstract: A ceramic material which comprises a composite of zirconia and O'-/.beta.'-sialon wherein the volume ratio of O'-sialon to .beta.'-sialon is in the range of from 1:7 to 7:1, preferably from 1:3 to 3:1.
    Type: Grant
    Filed: March 22, 1989
    Date of Patent: June 11, 1991
    Assignee: Cookson Group PLC
    Inventors: Michael R. Anseau, James M. Lawson, Shaun Slasor
  • Process for making an improved ceramic material
    Patent number: 4866013
    Abstract: A ceramic material which comprises a composite of zirconia and O'-sialon or silicon oxynitride.The ceramic material may comprise a dispersion of zirconia in an O'-sialon matrix and such a dispersion is obtained when the amount of zirconia is from 5 to 30 volume percent, preferably 15 to 25 volume percent, based on the total volume of the composition.
    Type: Grant
    Filed: May 5, 1988
    Date of Patent: September 12, 1989
    Inventors: Michael R. Anseau, James M. Lawson, Shaun Slasor
  • Ceramic material
    Patent number: 4804644
    Abstract: A ceramic material which comprises a composite of zirconia and O'-sialon or silicon oxynitride.The ceramic material may comprise a dispersion of zirconia in an O'-sialon matrix and such a dispersion is obtained when the amount of zirconia is from 5 to 30 volume percent, preferably 15 to 25 volume percent, based on the total volume of the composition.
    Type: Grant
    Filed: May 26, 1987
    Date of Patent: February 14, 1989
    Assignee: Cookson Group plc
    Inventors: Michael R. Anseau, James M. Lawson, Shaun Slasor