High temperature corrosion inhibitor

Details High temperature corrosion inhibitor High temperature corrosion inhibitor

C - Chemistry, Metallurgy

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F

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C23F 11/12 (2006.01) C09K 8/54 (2006.01) C23F 11/04 (2006.01) C23F 11/10 (2006.01) C23F 11/14 (2006.01)

Patent

CA 1336039

A composition and method for inhibiting corrosion of iron and steel in the presence of aqueous acid at high temperatures, containing an alkenylphenone having the following structure: (I) Image wherein R1 may be aryl of 6 to about 10 carbons, and R2 and R3 may be the same or different and each may be hydrogen, halogen, or aliphatic of about 3 to about 12 carbons, and R2 may also be alkanol, ether, or aryl of 6 to about 10 carbons, provided that the total number of carbons in said alkenyl- phenone does not exceed 16, and a substituted 1-azanaphthalene of the structure: Image wherein R4 is alkyl of about 4 to about 16 carbons, or alkylaryl of about 7 to about 20 carbons, and X is chloro or bromo.

549676

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