Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Reexamination Certificate
2008-10-16
2010-12-21
Boyer, Charles I (Department: 1796)
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
C510S247000, C510S222000, C510S228000, C510S288000, C510S363000, C510S401000, C510S431000, C510S435000, C510S436000, C510S467000, C510S480000
Reexamination Certificate
active
07855171
ABSTRACT:
The present invention comprises an iron complexing mixture and method of using same wherein beneficial performance and natural gas pipeline cleaning methods are employed. The synergistic improvement of combining two water-soluble metal complexing agents, THPS and IDS, prove to offer advantages in performance over the individual use of either chemical.
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Boyer Charles I
The Matthews Firm
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