Water treatment agent

Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus acids or salts thereof

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C07F 922

Patent

active

056061056

ABSTRACT:
Unsaturated compounds which can be dissolved in aqueous based solvents, such as ethylenic or acetylenic carboxylate or alcohols with less than 10 carbon atoms, especially maleic and/or acrylic acid or propargyl alcohol, are reacted with alkali metal phosphite in aqueous solution at neutral or alkaline pH in the presence of free radical initiators such as persulphate to form threshold scale and corrosion inhibitors.

REFERENCES:
patent: 4386036 (1983-03-01), Kleiner
patent: 4493803 (1985-01-01), Kleiner

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