Appeal No. 2002-0843
Application No. 09/611,182
b) a water soluble rhodium nitrite salt or rhodium
ammine-nitrite salt;
c) ammonium hydroxide; and
d) hydrazine hydrate.
The examiner relies upon the following references as
evidence of obviousness:
Rhoda et al. (Rhoda) 3,486,928 Dec. 30, 1969
Ishihara et al. (Ishihara) 5,032,694 Jul. 16, 1991
Chang et al. (Chang) 5,980,345 Nov. 9, 1999
Torikai et al. (JP '168) JP 58204168 Nov. 28, 1983
(Japanese Kokai patent publication)
Appellants' claimed invention is directed to a composition
and process for electroless plating of a platinum-rhodium alloy.
The composition comprises an aqueous solution which includes a
platinum nitrite salt or platinum ammine-nitrite salt and a
rhodium nitrite salt or rhodium ammine-nitrite salt.
Appealed claims 1, 2, 4, 7, 9-21, 23, 25 and 26 stand
rejected under 35 U.S.C. § 103 as being unpatentable over Rhoda
in view of Chang. Claim 3 stands rejected under 35 U.S.C. § 103
as being unpatentable over the stated combination of references
further in view of JP '168. Also, claim 22 stands rejected under
35 U.S.C. § 103 as being unpatentable over Rhoda and Chang
further in view of Ishihara.
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