Appeal No. 1997-1991 Page 2
Application No. 08/376,270
1994. Also, copending and related application No. 08/430,083
was filed on April 27, 1995 as a divisional of the above-noted
parent application. Both of the above-noted related and
copending applications are also before us on appeal (Appeals
No. 1997-1907 and 1997-2384, respectively) . 1
Appellants' invention relates to a method of coating a
substrate using a composition comprising a dispersion of
polyurethane in water, the coating composition, and a method
of preparing the coating composition. Claims 1, 8 and 15, all
of the independent claims on appeal, are reproduced below.
1. A composition being an aqueous dispersion of
polyurethane in water, said composition comprising water and
the reaction product of:
(a) a water-dispersible isocyanate-terminated
polyurethane prepolymer having an NCO content of between about
1.5 and 10% by weight, said prepolymer having incorporated
therein uretdione moieties and isocyanurate moieties, and
(b) an amine chain extender, in an amount sufficient to
provide an NCO/NH index for the composition of between 40 and
2
150.
1We observe that appellants refer to parent application
No. 08/265,369 at page 2 of the brief submitted on October 17,
1996 without acknowledging the existence of the other related
copending application No. 08/430,083 and without setting forth
the appealed status of all of the above-noted applications.
See 37 C.F.R. § 1.192(c)(2) (1995).
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