Appeal No. 2002-2314
Application No. 09/213,671
This appealed subject matter is adequately represented by
independent claim 48 which reads as follows:
48. A method for bonding polyvinyl chloride to polyurethane,
comprising:
a) providing a base polyurethane layer, said base
polyurethane layer having an excess isocyanate component
in its composition;
b) applying a resin containing free hydroxyl groups to one
or more portions of one or more polyvinyl chloride sheets
to create treated portions of said one or more polyvinyl
chloride sheets, said resin being applied in a solution
containing a solvent;
and
c) bonding said one or more polyvinyl chloride sheets to
said base polyurethane layer, said bonding taking place
between said treated portions of said one or more
polyvinyl chloride sheets and said base polyurethane
layer,
wherein said solvent is operative to allow said resin to dissolve
and become impregnated in said treated portions of said one or more
polyvinyl chloride sheets.
The prior art set forth below is relied upon by the Examiner
in the § 102 and § 103 rejections before us:
Fuller 1,560,346 Nov. 3, 1925
Wedger et al. (Wedger) 3,197,350 July 27, 1965
Horak et al. (Horak) 4,460,747 July 17, 1984
Daude et al. (Daude) 5,279,882 Jan. 18, 1994
The admitted prior art described in the subject specification.
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