Appeal No. 2006-0594
Application No. 09/740,708
obviousness-type double patenting over claims 1-14 of U.S. Patent
No. 6,283,195 in view of Nazmy.
We have thoroughly reviewed each of appellants' arguments
for patentability, as well as the specification data relied upon
in support thereof. However, we find ourselves in complete
agreement with the examiner's reasoned analysis and application
of the prior art, as well as her cogent disposition of the
arguments raised by appellants. Accordingly, we will adopt the
examiner's reasoning as our own in sustaining the rejections of
record, and we add the following for emphasis only.
Concerning the rejection of claims 10-15 and 21-24 under
§ 103 over WO '973 in view of Nazmy, we fully concur with the
examiner's reasoning that it would have been obvious for one of
ordinary skill in the art to add yttrium, a rare earth element,
to the Ti-Al alloy of WO '973 for the purpose of providing
excellent hardness and strength at high temperatures, as
expressly taught by Nazmy. Although, as urged by appellants,
Nazmy does not specifically teach that the inclusion of yttrium
increases the service life of the Ti-Al alloy in contact with an
aluminum-containing molten material, we subscribe to the
examiner's reasoning that one of ordinary skill in the art would
have reasonably expected the presently claimed effect because the
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