Ester derivatives of ether polycarboxylic acids

Details Ester derivatives of ether polycarboxylic acids Ester derivatives of ether polycarboxylic acids

1977-07-07

1979-03-20

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

562583, C07C 6966

Patent

active

041455584

ABSTRACT:
Novel polyfunctional compounds which may be hydrolyzed to the corresponding salts, which in turn are metal sequestering agents, are disclosed, as well as a novel method for their preparation. The compounds are the reaction product obtained from the reaction of selected salts of monoalkyl esters of maleic acid with selected active hydrogen containing compounds. These products are prepared by a reaction of the starting materials in preferably a substantially anhydrous medium at an elevated temperature.

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patent: 3862219 (1975-01-01), Lindsay et al.
patent: 3935257 (1976-01-01), Ruest et al.
patent: 3954858 (1976-05-01), Lamberti

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