Compositions containing heterocyclic corrosion inhibitors

Details Compositions containing heterocyclic corrosion inhibitors Compositions containing heterocyclic corrosion inhibitors

C - Chemistry, Metallurgy

07

D

260/300, 260/309

C07D 277/74 (2006.01) C07D 417/12 (2006.01) C09D 5/08 (2006.01) C23F 11/16 (2006.01)

Patent

CA 1246586

Compositions containing heterocyclic corrosion inhibitors Abstract of Disclosure New anticorrosive compositions comprise: A) an applicational medium selected from a) surface coatings and b) wholly or partly aqueous non-coating media, B) as corrosion inhibitor, an effective corrosion-inhibiting amount of at least one aliphatic or cycloaliphatic mono-, di-, tri- or tetra-carboxylic acid ester or anhydride which is substituted in the aliphatic or cyclosliphatic residue by one or more groups having the formula Image (I) in which X is oxygen, sulphur or NH; and each R, independently, is hydrogen, alkyl, haloalkyl, alkoxy, alkylthio, alkylsulphonyl, cyclo- alkyl, phenyl, alkylphenyl, phenylalkyl, halogen, cyano, nitro, hydroxy, -COOH, -COOalkyl or a tertiary aminogroup or carbamoyl group; or a non-toxic base addition salts of those components B) which contain free carboxyl group.

481152

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