Hydraulic and earth engineering – Subterranean waste disposal – containment – or treatment – Waste barrier – containment – or monitoring
Reexamination Certificate
2006-06-28
2009-02-24
Lagman, Frederick L (Department: 3672)
Hydraulic and earth engineering
Subterranean waste disposal, containment, or treatment
Waste barrier, containment, or monitoring
C405S129450, C405S129750, C405S129800
Reexamination Certificate
active
07494298
ABSTRACT:
The method of the present invention results in a secondary containment area for above ground storage tanks. The method involves leveling the site, laying a foundation bed, building a retaining barrier around the site, covering the foundation bed and retaining barrier with a liner cloth, and applying a layer of polyurea to the liner cloth and retaining barrier.
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BBL Falcon Industries, Ltd
Carstens David W.
Carstens & Cahoon LLP
Lagman Frederick L
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