Compositions: ceramic – Ceramic compositions – Refractory
Reexamination Certificate
2008-08-06
2009-12-15
Lorengo, Jerry (Department: 1793)
Compositions: ceramic
Ceramic compositions
Refractory
C423S069000, C423S082000, C423S084000, C423S608000, C501S102000, C501S104000, C501S105000, C502S242000, C502S340000
Reexamination Certificate
active
07632769
ABSTRACT:
A zirconia porous body with excellent stability of heat resistance is manufactured. This relates to a zirconia porous body having peaks at pore diameters of 8 to 20 nm and 30 to 100 nm in a pore distribution based on the BJH method, with a total pore volume of 0.4 cc/g or more, and to a zirconia porous body having a peak at a pore diameters of 20 to 110 nm in a pore distribution based on the BJH method, with a total pore volume of 0.4 cc/g or more.
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Knobbe Martens Olson & Bear LLP
Lorengo Jerry
Smith Jennifer A
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