Appeal No. 1997-2072
Application No. 08/261,544
where each R may be the same or different and represents
an alkyl group,
each R’ may be the same or different and represents
H or any substituent which does not adversely
affect polyurethane formation,
n = 2 or 3,
p = 2 or 3,
q = 0 to 2,
r = 0 to 4,
s = 0 to 5,
t = 3 or 4, and
X is an alkylene or alkylidene,
with the amounts of components (1) and (2) being such that the
isocyanate index is from about 70 to about 130.
The examiner relies on the following prior art:
Nodelman 4,792,576 Dec. 20,
1988
Kia 4,957,684 Sep. 18,
1990
Smith (Smith ‘634) 5,059,634 Oct.
22, 1991
Primeaux II et al. (Primeaux) 5,124,426 Jun. 23,
1992
Rains et al. (Rains) 5,391,344 Feb. 21,
1995
(effective filing date Nov. 26,
1991)
Smith (Smith ‘260) 5,418,260 May 23,
1995
(effective filing date Oct. 4,
1993)
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