Appeal No. 2002-0181
Application No. 08/476,497
The subject matter on appeal relates to a high temperature
capability composite material. Further details of this appealed
subject matter are recited in representative claims 1, 19, 21,
and 22 reproduced below:
1. A high temperature capability composite
material consisting essentially of:
a matrix formed from a powder material having a
particle size in the range from about 1 to 100
nanometers;
a plurality of reinforcing fibers embedded within
said matrix, said reinforcing fibers comprising from
about 20% to about 40% volume of said composite
material; and
said composite material being characterized by
the substantial absence of voids between adjacent ones
of said fibers.
19. The composite material of claim 1 wherein
said reinforcing fibers are silicon fibers.
21. A high temperature capability composite
material for use in jet engine applications, said
composite material consisting essentially of:
a matrix formed from a powdered ceramic material
having a particle size in the range of about 1 to 100
nanometers, said powdered ceramic material being
selected from the group consisting of refractory
oxides with ionic bonds and nitrides and carbides with
covalent bonds;
a plurality of reinforcing fibers embedded within
said matrix, said reinforcing fibers comprising from
2001, paper 22, pp. 2-3), we note that parent application
08/261,600, filed Jun. 17, 1994, contains a decision by a merits
panel of the Board of Patent Appeals and Interferences affirming
the examiner’s rejections of claims directed to the method of
making the here claimed high temperature capability composite
materials. Nevertheless, we consider this misstatement harmless
because the appellant has specifically directed our attention to
the earlier decision. (Appeal Brief, p. 3.)
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