Appeal 2006-2980
Application 10/683,240
Representative independent claim 1, as presented in the Brief, appears
below:
1. Cellular amine-crosslinked polyurethane elastomers
comprising the reaction product of:
A) one or more compounds selected from the group
consisting of polyisocyanates, polyisocyanate prepolymers,
modified polyisocyanates and mixtures thereof,
with
B) one or more polyols selected from the group consisting of
polyetherpolyols, polyesterpolyols and mixtures thereof,
and
C) a mixture of components comprising:
C1) one or more aromatic amines having at least two
primary amine groups per molecule,
C2) one or more quaternary ammonium salts,
and
C3) optionally, one or more short-chain diols having a
molecular weight of no more than 400 g/mol;
in the presence of
D) water and/or physical blowing agents,
E) catalysts,
and
F) optionally, additional auxiliary substances and/or
additives..
2
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