Unsaturated carboxylic salt materials and derivatives thereof

Details Unsaturated carboxylic salt materials and derivatives thereof Unsaturated carboxylic salt materials and derivatives thereof

1975-11-18

1976-12-14

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260456R, 252 99, 252550, 252551, 252553, C07C14312

Patent

active

039975967

ABSTRACT:
A novel sulphonated salt is prepared by pyrolyzing an alkaline-earth metal salt of citric acid until an increase in titratable alkalinity is reached, whereby a novel unsaturated organic salt material is obtained. That salt material is dissolved or suspended and thereafter contacted with a bisulphite ion under acid conditions for producing the sulphonated salt. The corresponding acid of the sulphonated salt may be obtained by hydrolyzing the salt either prior to or subsequent to the sulphonation step.

REFERENCES:
patent: 2602057 (1952-07-01), Groote

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