Naphthylamine polycarboxylic acids

Compositions – Preservative agents – Anti-corrosion

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252391, 25238961, 25238962, 252394, 252395, 252396, 252180, 210698, 562490, 562488, 422 16, 422 17, C23F 1112, C23F 1114

Patent

active

051397021

ABSTRACT:
A composition useful for treating aqueous systems comprising a naphthylamine polycarboxylic acid having the formula: ##STR1## wherein X is CO.sub.2 H or SO.sub.3 H, Y is H, C.sub.1 to C.sub.6 alkyl, CO.sub.2 H or SO.sub.3 H, R is H, C.sub.1 to C.sub.6 alkyl, CO.sub.2 R' or COR', R' is C.sub.1 to C.sub.6 alkyl, n is an integer from 1 to 20, and water soluble salts thereof.

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Chem. Soc. Jap. 40, 2977, J. Oh-hashi et al.
Chemical Abstracts 57, 16732g (1962) Hamptman et al.

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