Appeal No. 94-3243
Application 07/974,560
recovering said colloidal sol; and
calcining said colloidal sol to produce a stabilized
alumina.
PRIOR ART REFERENCES
The references of record relied upon by the examiner are:
Leach et al (Leach) 4,676,928 Jun. 30, 1987
Bricker et al (Bricker) 4,791,091 Dec. 13, 1988
Matsumoto et al (Matsumoto) 4,843,056 Jun. 27, 1989
ISSUE
The sole issue presented for review is whether the examiner
correctly rejected claims 1 and 3 under 35 U.S.C. § 103 as
unpatentable over the combined teachings of Leach, Bricker and
Matsumoto.
OPINION
Our deliberations in this matter have included evaluation
and review of the following materials: (1) the instant
specification and all of the claims on appeal; (2) appellants’
Brief before the Board; (3) the Examiner’s Answer; and (4) the
prior art references cited and relied on by the examiner.
Having carefully considered those materials, we agree with
appellants that the examiner has not established a prima facie
case of obviousness for the reasons succinctly set forth by
3
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