Appeal No. 2004-1717
Application No. 09/647,129
substance comprises at least one of aluminum oxide and silicon
carbide having a mean particle size of 60 to 160 u-m; and
wherein the dispersion comprises 100 parts of the amino resin, 20
to 95 parts of the abrasive substance, 0.5 to 2.5 parts to a
silane adhesion promoter, 5 to 25 parts of a flow-promoting
agent, 0.1 to 0.4 parts of a wetting agent, 0.05 to 0.4 parts of
a separating agent and of an amino resin hardener.
PRIOR ART
The examiner relies on the following prior art references:
Hoover et al. (Hoover) 2,958,593 Nov. 1, 1960
Michl 3,135,643 Jun. 2, 1964
Lindgren et al. (Lindgren) 5,034,272 Jul. 23, 1991
O’Dell et al. (O’Dell) 5,344,704 Sep. 6, 1994
REJECTIONS
The appealed claims stand rejected as follows:
(1) Claims 1, 3, 4 and 8 under 35 U.S.C. § 103(a) as
unpatentable over the combined disclosures of Michl, Hoover
and O’Dell; and
(2) Claims 5 and 7 under 35 U.S.C. § 103 as unpatentable over
the combined disclosures of Michle, Hoover, O’Dell and
Lindgren.
OPINION
We have carefully reviewed the claims, specification and
applied prior art references, including all of the arguments
advanced by both the examiner and the appellant in support of
their respective positions. This review has led us to conclude
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