Compositions: ceramic – Ceramic compositions – Carbide or oxycarbide containing
Reexamination Certificate
2006-08-23
2008-09-02
Group, Karl E (Department: 1793)
Compositions: ceramic
Ceramic compositions
Carbide or oxycarbide containing
C501S096300, C089S036020
Reexamination Certificate
active
07419925
ABSTRACT:
A sintered ceramic composition includes at least 50 wt. % boron carbide and at least 0.01 wt. % of at least one element selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy Ho, Er, Tm, Yb, and Lu, the sintered ceramic composition being characterized by a density of at least 90% of theoretical density.
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Group Karl E
Marasco Joseph A.
UT-Battelle LLC
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