Preparation of salt solutions of phosphonocarboxylic acids

Compositions – Preservative agents – Anti-corrosion

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210699, 422 15, 423 99, C23F 11167

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active

053687736

ABSTRACT:
A substantially 100% active aqueous solution of one or more phosphonocarboxylic acids and one or more hydroxides, wherein the solution has a slightly alkaline pH. In an alternate embodiment, a dry, free flowing mixture comprising one or more phosphonocarboxylic acids, calcium chloride fines which, on average, are a dihydrate, and hydroxide is disclosed.

REFERENCES:
patent: 3933427 (1976-01-01), Bohnsack et al.
patent: 4057511 (1977-11-01), Bohnsack et al.
patent: 4497713 (1985-02-01), Geiger
Hawley's Condensed Chemical Dictionary, 11th edition, p. 208, Van Nostrand Reinhold Company.
Experimental Organic Chemistry, 2nd edition, p. 93, McGraw-Hill Book Company.
Morrison & Boyd, 4th edition, pp. 779-780.

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