C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
134/39
C02F 5/10 (2006.01) C02F 5/14 (2006.01) C23F 11/08 (2006.01)
Patent
CA 1219511
Abstract of The Disclosure A water system deposit control method and composition of high calcium tolerance are herein disclosed. The composition com- prises a reaction product formed from acrylic acid, hydroxylated lower alkyl acrylate and hypophosphorous acid. In accordance with the method herein, an effective amount, from about 0.1 - 500 ppm of the composition is added to the water system, e.g., cooling water system, so as to inhibit the build-up or agglomeration of undesirable deposits along the metal surfaces on contact with the water.
445232
Betzdearborn Inc.
Borden Ladner Gervais Llp
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