C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
134/39
C02F 5/14 (2006.01) C07F 9/38 (2006.01) C09K 5/20 (2006.01) C10M 173/02 (2006.01) C23F 11/167 (2006.01)
Patent
CA 1205715
Abstract of the Disclosure Systems inhibited against corrosion and/or scale deposition Aqueous or partly aqueous systems are treated against the corrosion of metals, especially ferrous metals, in contact therewith, and/or against scale deposition therefrom, by adding to these systems from 0.1 to 50 000 ppm of 2-hydroxyphosphonoacetic acid having the formula I Image I), or a water-soluble salt thereof.
410666
Cook Barry
Richardson Norman
Tames Joseph
Ag Ciba-Geigy
Fetherstonhaugh & Co.
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