Terpolymers of maleic anhydride and their use as scale control agents
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United States of America Patent
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Sep 16, 1980
Issued Date -
N/A
app pub date -
Dec 8, 1978
filing date -
Mar 23, 1977
priority date (Note) -
Expired
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Abstract
Terpolymers of maleic anhydride, acrylamide or methacrylamide and a third monomer consisting of octene, styrene and the like. Copolymers of maleic anhydride and acrylamide or methacrylamide. Use of the hydrolyzed form of the terpolymer as a scale control agent. Novel process employing a mixture of aromatic and ketonic solvent and a temperature of at least 120.degree. C. which renders the polymers of the invention insoluble in water at ambient temperature.
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