Appeal No. 1996-4135 Page 3
Application No. 08/346,325
BACKGROUND
The appellant's invention relates to polysiloxane-
polycarbonate block copolymers and compositions containing such
polymers. An understanding of the invention can be derived
from a reading of exemplary claim 1. The claims on appeal have
been correctly reproduced in an appendix to the brief.
The prior art references of record relied upon by the
examiner in rejecting the appealed claims are:
Bialous et al. (Bialous) 4,391,935 Jul.
05, 1983
Davis et al. (Davis) 5,025,074 Jun. 18,
1991
(filed Aug. 27, 1990)
European Patent 0 376 502 Jul. 04,
1990
(Okamoto)
Claims 1-3, 5, 10, 11 and 14 stand rejected under 35
U.S.C.
§ 103 as being unpatentable over Okamoto or, in the
alternative, Okamoto in view of Davis. Claims 8, 9, 12 and 13
stand rejected under 35 U.S.C. § 103 as being unpatentable over
Okamoto in view of Bialous or, in the alternative, Okamoto in
view of Davis and Bialous.
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