Appeal No. 1996-4058
Application No. 07/837,619
DECISION ON APPEAL
This is an appeal under 35 U.S.C. § 134 from the
decision of the examiner finally rejecting claims 13, 14, 24,
28 through 33, 36 through 38, 42, 47 and 48, and refusing to
allow claims 49 through 54 as amended subsequent to the final
rejection which are all the claims in the application.
THE INVENTION
The invention is directed to rhenium and iridium alloys
comprising silicon and aluminum wherein the alloy is resistant
to oxidation at 1550EC. Other embodiments include methods for
fabricating a shaped body and shaped bodies resulting
therefrom containing the aforesaid alloys.
THE CLAIMS
Claim 47 is illustrative of appellants’ invention and is
reproduced below.
47. An alloy comprising:
rhenium;
from about 20 to about 40 atomic percent silicon; and
from about 20 to about 50 atomic percent aluminum;
said alloy being resistant to oxidation at 1550EC.
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