Reaction of .alpha.-phosphorus containing carboxylic acids with

Details Reaction of .alpha.-phosphorus containing carboxylic acids with Reaction of .alpha.-phosphorus containing carboxylic acids with

1978-06-29

1979-02-06

Evans, Joseph E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252180, 422 15, 252389A, C07F 938, C23F 1100, C09D 508, C02B 506

Patent

active

041384318

ABSTRACT:
Novel compounds and the use of these compounds in inhibiting corrosion and scale in open cooling systems containing ferrous materials which are: ##STR1## These compounds are prepared by a carboxylic acid-phosphonic acid interchange in the general reaction involving .alpha.-phosphorous containing carboxylic acids as reactants:

REFERENCES:
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patent: 3297578 (1967-01-01), Crutchfield et al.
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patent: 3404178 (1968-10-01), Roy
patent: 3579570 (1971-05-01), Nicholson et al.
patent: 3734954 (1973-05-01), Maier
patent: 3933944 (1976-01-01), Moreau et al.
patent: 4077997 (1978-03-01), Blum et al.

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