Appeal No. 95-2881
Application No. 07/988,037
This is a decision on an appeal from the final rejection
of claims 6 through 10 and 17 which are all of the claims
remaining in the application.
The subject matter on appeal relates to a carbon fiber
which has been coated with an aromatic polysulfone resin and
then heated at 300-400EC for from 1 to 20 hours. Further
details of this appealed subject matter are readily apparent
from a review of illustrative independent claim 6 which reads
as follows:
6. A carbon fiber which has been surface-coated with an
aromatic polysulfone resin and then heated at 300-400EC for
from 1 to 20 hours prior to any blending or mixing of said
fiber with any other material.
The references relied upon by the examiner as evidence of
obviousness are:
Turton et al. 3,785,916 Jan. 15, 1974
(Turton)
Hannah et al. 3,798,105 Mar. 19, 1974
(Hannah)
Hara et al. 4,764,427 Aug. 16, 1988
(Hara)
Cogswell et al. 4,783,349 Nov. 8, 1988
(Cogswell)
Tobukuro et al. 56-90837 Jul. 23, 1981
(Japanese '837) (JP)
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