Appeal No. 94-3134
Application 07/848,884
hexa-methylenetetramine in light of the teaching in Moradi-
Araghi of using either an aldehyde or an aldehyde-generating
compound in a gel-forming composition. That is, an artisan
with ordinary skill would have found in this teaching of
Moradi-Araghi motivation for, and a reasonable expectation of
success in, using hexamethylenetetramine as an aldehyde-
generating compound in place of the aldehyde of Mumallah’s
composition. In re O’Farrell, 853 F.2d 894, 904, 7 USPQ2d
1673, 1681 (Fed. Cir. 1988). The composition and method
resulting from the substitution in question would fully
correspond the composition and method defined by appealed
independent claims 1 and 25 respectively.
The appellant seems to believe that it would not have
been obvious to combine the applied references in the above
discussed manner because “Moradi-Araghi specifically discloses
that an
aldehyde-generating compound must be used in a composition
which contains a furan derivative in order to be useful”
(Brief, page 4). We do not agree. In the first place, we
find no explicit teaching in this reference, and the appellant
points to none, that an aldehyde-generating compound such as
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