Appeal No. 2005-1611
Application No. 09/808,812
1. A two-ply polyurethane geotextile composite in
which a dimensionally stable geotextile is bonded to a
pliable geotextile with a solidifiable liquid polyurethane
composition which is a reaction product of a mixture
comprising:
a) a liquid polyisocyanate having an isocyanate
content of at least 10% by weight,
b) an isocyanate reactive component comprising a
polyether polyol having from 2 to 6 hydroxyl groups and a
number average molecular weight of from 250 to 8,000 and 0
to 10% by weight, based on total weight of b), of a low
molecular weight diol or triol having an equivalent weight
of from 31 to 99,
c) a urethane catalyst, and
optionally,
d) a filler.
The references set forth below are relied upon by the
examiner in the Section 102 and Section 103 rejections before us:
Lou et al. (Lou) 4,582,750 Apr. 15, 1986
Payne 4,872,784 Oct. 10, 1989
Gasper et al. (Gasper) 4,968,542 Nov. 6, 1990
Adam et al. (Adam) 5,421,677 Jun. 6, 1995
Sinclair 5,464,919 Nov. 7, 1995
Kausch et al. (Kausch) 5,674,565 Oct. 7, 1997
Claims 1, 2, 5 and 6 are rejected under 35 U.S.C. § 102(b)
as being anticipated by Gasper as evidenced by Sinclair and
Kausch.
Claims 1-8 are rejected under 35 U.S.C. § 103(a) as being
unpatentable over Payne in view of Adam or alternatively as being
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