Novel ester derivatives of ether polycarboxylic acids and proces

Details Novel ester derivatives of ether polycarboxylic acids and proces Novel ester derivatives of ether polycarboxylic acids and proces

1977-09-09

1979-01-09

Thomas, Jr., James O.

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

Organic compounds

Carboxylic acid esters

560155, C07C10122

Patent

active

041339606

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.

REFERENCES:
patent: 2120688 (1938-06-01), Towne
patent: 2377246 (1945-05-01), Kyrides
patent: 2438091 (1948-03-01), Lynch
patent: 3954858 (1976-05-01), Lamberti et al.

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