Appeal No. 2006-0916
Application No. 10/345,711
The subject matter on appeal relates to wood chip boards or
particle boards. (Specification at 1, lines 1-19.)
Specifically, the invention relates to: (1) a process for making
a composite of a member containing cellulose selected from the
group consisting of wood particles, a cellulose-containing
material other than wood particles, and mixtures thereof with a
carbon dioxide-forming binder comprising a liquid polyol
component, water, and a polyisocyanate component, wherein a
ratio of the carbon dioxide-forming binder to the member
containing cellulose is from 0.1:1 to 2:1 (claims 20-35, 39, and
40); and (2) a product made by such a process (claims 36-38).
Further details of this appealed subject matter are recited in
representative claims 20 through 22, 25, 28, and 36 through 39
reproduced below:
20. A process for making a composite of a member
containing cellulose selected from the group
consisting of wood particles, a cellulose containing
material other than wood particles and mixtures
thereof with a carbon dioxide forming binder
comprising a liquid polyol component, water and a
polyisocyanate component wherein a ratio of the carbon
dioxide forming binder to the member containing
cellulose is from 0.1:1 to 2:1, which comprises:
a) forming a first mixture comprising the
member containing cellulose, the liquid
polyol component and water;
0295 (November 18, 2002), a copy of which is attached to the appeal brief
filed on May 18, 2005.
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