Process for the production of aliphatic phosphonic acids

Details Process for the production of aliphatic phosphonic acids Process for the production of aliphatic phosphonic acids

1987-05-26

1988-03-01

Evans, J. E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07F 938

Patent

active

047284668

ABSTRACT:
An improvement in the process for the manufacture of aliphatic phosphonic acid the improvement comprising maintaining the reaction zone volume at about 80 to 95 percent capacity of reactants and/or products by continuously adding diester of aliphatic phosphonic acid reactant up to about 60 percent of the total reaction time said reactant being added in an amount sufficient such that said reactants and/or products will always be present in said reactor so as to occupy at least 80 percent of the reaction zone volume during said reactant addition.

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patent: 4293505 (1981-10-01), Randall
patent: 4322371 (1982-03-01), Stabler

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