Appeal No. 95-0432
Application 08/002,448
examiner’s rejection of Claims 1 and 3-11, all claims pending
in this application.
Introduction
Claims 1 and 3-11 stand rejected under 35 U.S.C. § 103 as
being unpatentable in view of the combined teachings of
European Patent Application 335,406 (Atkins), published
October 4, 1989, and Godlewski, U.S. 4,703,082, patented
October 27, 1987.
Representative Claim 1 reads:
1. A four component resinous system for a sheet
molding composition comprising:
(a) an unsaturated polyester comprising a
polycondensation product of one or more dihydric alcohols
and one or more ethylenically unsaturated polycarboxylic
acids;
(b) one or more low-profile thermoplastic
polymers which cause phase separation and porosity during
a curing reaction;
(c) one or more olefinically unsaturated
monomers
which copolymerizes [sic] with the unsaturated polyester;
and,
(d) one or more polysiloxane components which
are compatible with the reacted unsaturated polyester and
monomer during cure wherein the compatible components are
polysiloxane polyalkyl copolymers represented by the
formula
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