Appeal No. 2006-1038
Application No. 10/138,994
least partially penetrated and/or embedded by the urethane froth.
Further details regarding this appealed subject matter are set
forth in representative independent claim 1 which reads as
follows:
1. A composite structure comprising:
(A) an open weave, natural or synthetic fabric or backing having
fibers, and
(B) a urethane froth foam comprising:
(1) at least one polyisocyanate component,
(2) at least one isocyanate-reactive component,
(3) at least one non-Newtonian thickener,
and
(4) at least one catalyst;
wherein the fibers of the fabric or backing are at least
partially penetrated and/or embedded by the urethane froth.
The references set forth below are relied upon by the
examiner as evidence of obviousness:
Holeschovsky et al. 6,264,775 B1 July 24, 2001
(Holeschovsky)
Irwin 6,475,592 B1 Nov. 5, 2002
(filed Sep. 23, 1999)
-2-
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