Appeal No. 2006-2710
Application No. 10/458,114
alkylated dendritic materials. In particular, Neumann describes dendrimers
functionalized by alkyl amines. (Neumann 3-4.)
In addition, Appellants argue that:
Snyder teaches chromatography end uses. The major end use
of the materials of the instant invention is for scavenging metals
from solution, and in cosmetics. None of these end uses, and
the knowledge that the alkylated amine functional dendritic
molecules of this invention would have the properties to do this
kind of activity, are set forth or obvious from Snyder. Why
would it be obvious, then, from a combination of the two
references, to bind the amine functional dendritic material to a
solid substrate, and then alkylate it?
(Br. 4.) However, the Examiner is not relying on Snyder to provide
motivation to “bind the amine functional dendritic material to a solid
substrate, and then alkylate it.” Instead, the Examiner is relying on
Neumann to disclose these features of claim 1. The Examiner is merely
relying on Snyder to disclose using an organosilane to attach an organic
group to a silica support. For the reasons discussed above, we conclude that
Neumann discloses chemically bonding an alkyl amine dendrimer to a solid
support, and that, based on the teachings of Snyder, one of ordinary skill in
the art would have been motivated to use an organosilane to attach the
dendrimer to the support.
SUMMARY
The Examiner has set forth a prima facie case that claim 1 would have
been obvious over Neumann in view of Snyder, and Appellants have not
rebutted this prima facie case. We therefore affirm the rejection of claim 1
under 35 U.S.C. § 103.
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