Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing
Reexamination Certificate
2007-07-10
2007-07-10
Vanoy, Timothy C. (Department: 1754)
Chemistry of inorganic compounds
Oxygen or compound thereof
Metal containing
C423S069000, C423S085000, C423S593100
Reexamination Certificate
active
11027426
ABSTRACT:
Zirconia particles, methods of making zirconia particles, composite materials that contain the zirconia particles, methods of making the composite materials, and zirconia sols that contain the zirconia particles are described. The zirconia particles are substantially non-associated and have an average size no greater than 50 nanometers and may contain yttrium. The zirconia particles are prepared by a method that includes two separate hydrothermal treatments.
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Anderson Danny B.
Brady John T.
Davidson Robert S.
Hendrickson Mark J.
Higgins James A.
3M Innovative Properties Company
Lown Jean A.
Vanoy Timothy C.
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