Appeal 2007-1692
Application 10/415,009
We AFFIRM.
I. BACKGROUND
The invention relates to a reactive adhesive with a low content of
polyisocyanate monomer. Claim 19 is illustrative of the subject matter on
appeal:
19. A solventless or solvent-containing, low-monomer, reactive adhesive,
curing in several stages which comprises:
at least one polyurethane prepolymer (A) with a low content of monomeric
polyisocyanate (a) and at least one free functional group capable of reacting
with a compound containing at least one acidic hydrogen atom, and
at least one compound (B) containing a functional group polymerizable by
irradiation, wherein, the reactive adhesive contains less than 0.1% by weight
of monomeric polyisocyanate.
The Examiner relies on the following prior art references to show
unpatentability:
Schnabel US 4,385,171 May 24, 1983
Bolte US 6,482,869 B1 Nov. 19, 2002
The Examiner maintains a rejection of claims 19, 20, 22-26, and 28-
38 under 35 U.S.C. § 103(a) as unpatentable over Bolte in view of
Schnabel.1
1 The Examiner has withdrawn the rejections of claims 19, 20, 22-31, 35,
and 36 under 35 U.S.C. § 102(b) and under 35 U.S.C. § 103(a) over Bolte,
and also withdrawn the rejection of claim 27 under 35 U.S.C. § 103(a) over
Bolte in view of Schnabel.
2
Page: Previous 1 2 3 4 5 6 7 8 9 Next
Last modified: September 9, 2013