Process for making phosphate esters and products thereof

Details Process for making phosphate esters and products thereof Process for making phosphate esters and products thereof

1977-03-01

1978-07-11

Sutto, Anton H.

Chemistry of carbon compounds

Dipeptides, e.g., aspartame, anserine, carnosine, etc.

C07C 909

Patent

active

041002318

ABSTRACT:
Phosphate esters including polymers are produced by mixing polyols, such as glycerol, with phosphoric acid material followed by heating under reduced pressure in the presence of inorganic base to temperatures of from about 135.degree. to 165.degree. C. By maintaining reactants under subatmospheric conditions, water is removed as formed. The products have utility as scale suppressant additives to water used in heat exchange and cooling tower applications.

REFERENCES:
patent: 3439068 (1969-04-01), Hill et al.

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