C - Chemistry – Metallurgy – 23 – F
Patent
C - Chemistry, Metallurgy
23
F
134/39, 31/51
C23F 11/14 (2006.01) C23F 11/167 (2006.01)
Patent
CA 1258965
COMPOSITION USEFUL AS CORROSION INHIBITOR, ANTI- SCALANT AND CONTINUOUS BIOCIDE FOR WATER COOLING TOWERS AND METHOD OF USE Abstract of the Disclosure An all-in-one treatment composition for a water cooling tower includes a water soluble aromatic azole corrosion inhibitor such as benzotriazole, an organophosphorous antiscalant and a polymeric quater- nary ammonium compound. The polymeric quaternary ammonium compound has the following general formula: Image The composition is suitable for use at low level continuous applications rates. The polymeric quaternary ammonium compound is also suitable for use at low concentration as a continuous biocide/biostat. This compound does not suffer from the acclimatization typically encountered when one biocide is used on a continuous low level basis.
489316
Baker Gary L.
Christensen Ronald J.
Diversey Ip International Bv
Macrae & Co.
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