Appeal 2007-2863
Application 10/934,507
1 D. Findings of fact
2 The following findings of fact are believed to be supported by a
3 preponderance of the evidence. To the extent that a finding of fact is a
4 conclusion of law, it may be treated as such. Additional findings as
5 necessary may appear in the Discussion portion of the opinion.
6 The invention
7 According to Asahi Glass, an object of the invention is to provide a
8 polyurethane elastomer having low hardness and excellent mechanical
9 strength. Specification, page 2:21-24.
10 The invention is readily understandable by reference to claim 1.
11 Claim 1
12 Claim 1 on appeal reads [some indentation and bracketed matter
13 added]:
14 A thermosetting polyurethane elastomer composition
15 comprising
16 [A] an isocyanate-terminated prepolymer (i) obtained by
17 reacting
18 [1] a polyol component comprising a
19 polyoxyalkylene polyol component (c) comprising
20 at least one polyoxyalkylene polyol having
21 as an oxyalkylene group an oxypropylene group of at least 70%
22 by mass,
23 wherein the polyoxyalkylene polyol
24 component (c) has an average number of hydroxyl groups of
4
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