C - Chemistry – Metallurgy – 23 – F
Patent
C - Chemistry, Metallurgy
23
F
31/64
C23F 11/14 (2006.01) C23F 11/08 (2006.01) C23F 11/12 (2006.01)
Patent
CA 2021675
ABSTRACT OF THE INVENTION The present invention utilizes low volatility amines or alkanol amines to control caustic corrosion which can take place when a boiler system, treated with a coordinated phosphate/pH program, is "out of control". N-substituted hydroxyalkyl piperazines are also capable of mitigating caustic corrosion in coordinated phosphate/pH programs. Combinations of the compounds of the present invention and phosphate have also been shown to be efficacious at mitigating caustic corrosion in coordinated phosphate/pH programs.
Feldman Nancy A.
Muccitelli John A.
Betz Laboratories Inc.
Borden Ladner Gervais Llp
Feldman Nancy A.
Muccitelli John A.
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