Compositions: ceramic – Ceramic compositions – Carbide or oxycarbide containing
Reexamination Certificate
2009-04-03
2010-11-16
Group, Karl E (Department: 1793)
Compositions: ceramic
Ceramic compositions
Carbide or oxycarbide containing
C501S093000
Reexamination Certificate
active
07833921
ABSTRACT:
A composite material according to the invention includes X parts by volume of boron carbide, Y parts by volume of silicon carbide, and Z parts by volume of silicon as main components, wherein 10<X<60, 20<Y<70, and 5<Z<30 are satisfied, and grains of 10 μm or more of the boron carbide and the silicon carbide are 10-50 parts by volume.
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Matsumoto Akio
Shimada Shogo
Blackman William D.
Carrier Joseph P.
Carrier Blackman & Associates P.C.
Group Karl E
Toto Ltd.
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