Methods of corrosion inhibition and compositions therefor

Details Methods of corrosion inhibition and compositions therefor Methods of corrosion inhibition and compositions therefor

C - Chemistry, Metallurgy

09

K

31/45

C09K 15/32 (2006.01) C23F 11/167 (2006.01)

Patent

CA 1088290

TITLE: METHODS OF CORROSION INHIBITION AND COMPOSITIONS THEREFOR INVENTORS: ROBERT S. MITCHELL AND THOMAS M. KING ABSTRACT OF THE DISCLOSURE Phosphonomethyl amino carboxylates of the general formula Image wherein M1, M2 and M3 are each hydrogen, metal ion, ammonium ion or alkyl ammonium ion, Z is -CH2PO3M1M2, C1-4 alkanol, C1-4 alkyl carboxylic acid, or C1-10 alkaminomethylene phos- phonic acid radical, and Q is C3-15 alkylene, C3-15 alkenylene, or alkaryl radical are useful alone or in combination with one or more conventional corrosion inhibitor compounds to inhibit the corrosion of metals in aqueous systems.

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