Appeal No. 1997-0659
Application No. 08/318,462
in-situ remediation of contaminated soil by introducing a
foam-based fluid which contains a surfactant, and then
removing the foam from the contaminated soil for the recovery
and recycling of the surfactant solution. As further
explained in his answer at page
9, it is the examiner’s position that based on the title of
the
Gannon Abstract, the Abstract is directed to treating soil in-
situ with colloidal foam.
On the other hand, appellant correctly points out that
the title of the Gannon Abstract states three separate and
distinct areas that are discussed in the entire Gannon
reference. As appellant correctly points out, the section of
the complete Gannon reference that discusses foams, relates to
the use of colloidal foam flotation to remove metals from a
very dilute liquid solution, not, contaminated soil, as
required by the appealed process. In the experiments
described in this section of the complete Gannon reference
(which is entitled “Removal of Antimony from Aqueous Systems”)
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