Appeal No. 95-0999
Application 07/925,347
According to appellants (Brief, pages 3 an 4):
Claims 1-21 and 27-32 stand or fall together
with respect to the rejection under 35 U.S.C. §
102(b) over Gillis.
Claims 1-21 and 27-32 stand or fall together
with respect to the rejection under 35 U.S.C. §
102(b) over Cassidy.
Therefore, for purposes of this appeal, we will limit our
discussion to the broadest claim on appeal, claim 1, which is
reproduced below:
1. A liquid adhesive/sealant reaction system for use in
the preparation of lignocellulosic and cellulosic composites
comprising:
(a) a polyisocyanate having aromatically linked
isocyanate groups and a number average isocyanate
functionality in the range of 1.8 to 4.0; and
(b) a curing agent having at least one imino- or enamino-
functional linkage wherein the molecular number ratio of the
total number of isocyanate groups in the polyisocyanate to the
total number of imino- or enamino-functional linkages is at
least 2:1.
The references of record relied upon by the examiner are:
Gillis Jr. et al. (Gillis) 4,794,129 Dec. 27,
1988
Cassidy et al. (Cassidy) 4,935,460 Jun.
19, 1990
2
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