Appeal No. 2004-0375
Application 09/841,926
roller, transfer roller or cleaning roller used around a
photoreceptor drum of an image forming apparatus (specification,
page 1, lines 7-10). Claim 1 is illustrative:
1. A semiconductor roller comprising:
a semiconductive elastic layer made of silicone rubber
comprising carbon black formed around a conductive shaft body,
wherein a resin layer including a hard film material is
formed on the outer circumference of said elastic layer via a
coupling agent layer, wherein the hard film material further
comprises an amino resin and a crosslinking component, wherein
the ratio of the amino resin to the crosslinking component is
about 40/50 to about 20/80 by weight.
THE REFERENCES
Ishii et al. (Ishii) 5,925,893 Jul. 20, 1999
Takagi et al. (Takagi) 6,067,434 May 23, 2000
THE REJECTION
Claims 1 and 2 stand rejected under 35 U.S.C. § 103 as being
unpatentable over Takagi in view of Ishii.
OPINION
We affirm the aforementioned rejection.
The appellants state that the claims stand or fall together
(brief, page 3). We therefore limit our discussion to one claim,
i.e., claim 1. See In re Ochiai, 71 F.3d 1565, 1566 n.2, 37
USPQ2d 1127, 1129 n.2 (Fed. Cir. 1995); 37 CFR
§ 1.192(c)(7)(1997).
2
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