Appeal No. 1998-0030 Page 7
Application No. 08/151,960
Accordingly, we will determine the scope and content of
the prior art applied by the examiner in the rejection of the
claims on appeal and then ascertain the differences between
the prior art and the claims at issue.
Van Romer's invention relates to a portable, foldable
containment device for hazardous chemicals such as
petrochemicals, and the like, and the prevention of
environmental
contamination by the chemicals. As shown in Figures 1-6, the
portable containment device 10 includes a floor 14 composed of
sheet material and a foldable wall 12 extending around a
periphery of the floor 14 for containing spilled material such
as petrochemicals to prevent environmental contact and ground
water contamination. The foldable wall 12 is composed of
sheet material integrally connected to the floor for
containing spilled material in cooperation with the floor.
Preferably, the sheet material which the floor and wall is
comprised of includes a modified vinyl or polyurethane coated
woven synthetic fabric. The sheet material may be folded up
at the sides to provide the wall or the wall may be integrally
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