Appeal No. 95-3834
Application No. 07/947,569
Remand to the examiner
Upon return of this application to the examiner, the
examiner should determine whether the teachings of Cairns
alone anticipate or render obvious the composition of claims
1-8. As pointed out above, Cairns discloses a bearing
composition comprising a filled polytetrafluoroethylene
material wherein a first filler material may be titanium
dioxide and a second filler material may be a copper alloy.
Cairns further discloses that the polytetrafluoroethylene may
be granular or in the form of fine particles and the first and
second filler materials are preferably in the form of a fine
powder (col. 3, lines 21-24; col. 4, lines 3-8). See Exxon
Chem. Patents, Inc. v. Lubrizol Corp., 64 F.3d 1553, 1558, 35
USPQ2d 1801, 1804 (Fed. Cir. 1995), cert. denied, 116 S. Ct.
2554 (1996)(claims drawn to a composition read on a
composition that contains the specified ingredients at any
time from the moment at which the ingredients are mixed
together and are not limited to the final end product).
Although the composition disclosed in Cairns contains an
additional thermoplastic resin, the claims do not exclude a
composition including other additional materials which are not
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