Appeal No. 1999-2760
Application 08/773,304
Murakami et al. (Murakami) 4,938,784 Jul. 3,
1990
Harmer et al. (Harmer) 5,360,462 Nov. 1,
1994
Hibbard et al. (Hibbard) 5,454,844 Oct.
3, 1995
Engen et al. (Engen) 5,611,825 Mar. 18,
1997
(filed Sept. 19,
1994)
The appealed claims stand finally rejected under 35
U.S.C.
§ 103(a) on the following grounds:
(1) Claims 18 to 28, unpatentable over Engen in view of
Harmer.
(2) Claims 1 to 3, 6 to 12 and 15 to 17, unpatentable over
Engen in view of Harmer and Murakami.
(3) Claim 5 and 14, unpatentable over Engen in view of Harmer,
Murakami and Hibbard.
Rejection (1)
First considering this rejection in relation to claim 23,
Engen discloses a polishing sheet comprising a support and an
abrasive layer thereon, the grains of the abrasive layer being
in a binder formed of a urea-aldehyde resin and the solids
3
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