Appeal 1997-2575
Application 08/524,661
10. With respect to the ketoximosilane (which Beers
calls an oxime), Beers states, inter alia (col. 5, lines 24-
36):
The amount of the oxime curing agent ranges from about 2
to about 15 percent by weight with from about 4 to about
8 percent by weight being preferred based upon the total
weight of the composition.
*****
In order to insure that gellation or viscosity increases
do not occur, an excess of oxime crosslinking agents to
silanol in the base polymer is utilized as an equivalent
ratio of from about 1.2 to about 4.0 with from about 1.5
to about 2.5 being preferred.
Beers Example 3
11. Notwithstanding other portions of the
description of the Beer invention, Example 3 describes a
silicone sealant having "excellent low modulus properties"
(col. 9, line 8) said to have been made with a calcium
carbonate filler having 0.4% [applicant claims greater than
0.25%] water. The amount of filler in the composition is said
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