Appeal No. 94-4291
Application No. 07/627,009
the here claimed catalyst, and we fully agree with the
examiner that it would have been obvious for one with ordinary
skill in the art to replace the catalyst of Eckberg with the
catalyst of Drahnak in order to obtain the advantages
associated with this catalyst (e.g., see lines 51 through 62
in column 2 of Drahnak).
On pages 19 and 20 of the brief, the appellants argue
that it would have not been obvious to combine Eckberg and
Drahnak in the manner opposed above. In this regard, the
appellants state that Eckberg's composition is capable of
reacting prematurely at room temperature whereas "[t]he
catalyst of Drahnak . . ., which is the only precious metal
catalyst set forth in the claims of the present application,
will not result in premature gelation or curing, for the
reason that it will not activate a hydrosilation reaction at
temperatures below about 50EC in the absence of actinic
radiation", and accordingly "it is clear that the teachings of
Eckberg are in conflict with the teachings of Drahnak" (brief,
page 20; emphasis in original). It is the appellants'
position that, as a result of this "conflict", there would
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