Measuring and testing – Embrittlement or erosion
Reexamination Certificate
2006-12-07
2009-12-08
Fitzgerald, John (Department: 2856)
Measuring and testing
Embrittlement or erosion
C422S053000
Reexamination Certificate
active
07628060
ABSTRACT:
A deposit removal probe for monitoring the effectiveness of a chemical at removing deposits from the internal surface of a pipeline used to transport fluids comprising a chamber constructed from mesh having a pore size sufficient to retain a sample of said deposit in said chamber while also allowing the deposit to be removed from the chamber with the action of the chemical and liquid flow through the pipeline and methods of using the probe to determine the effectiveness of a chemical at removing deposits from the internal surface of a pipeline and monitor corrosion rates of surfaces in contact with the deposit and in the bulk fluid.
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Fitzgerald John
Martin Michael B.
Nalco Company
Yonter Edward O.
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