Process for producing metallic salt of ethercarboxylic acid

Details Process for producing metallic salt of ethercarboxylic acid Process for producing metallic salt of ethercarboxylic acid

1989-02-13

1991-03-19

Lone, Werren B.

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

Organic compounds

Heavy metal containing

562579, 562582583, 562585, 562587, 562589, 252 891, C07F 304, C07F 306, C07C 59305, C07C 51347

Patent

active

050012452

ABSTRACT:
A preparation of metallic salt of ethercarboxylic acid in a pure form by restraining the formation of fumaric acid likely to occur when maleic acid and/or maleic anhydride react with oxycarboxylic acid. The ethercarboxylic product is a useful chelating agent.

REFERENCES:
patent: 3692685 (1972-04-01), Lamberti et al.
patent: 3862219 (1975-01-01), Lindsay et al.
patent: 3954858 (1976-05-01), Lamberti et al.
patent: 4058560 (1977-11-01), Walter
patent: 4223162 (1980-09-01), Crutchfield et al.
patent: 4639325 (1987-01-01), Valenty et al.
patent: 4827028 (1989-05-01), Scardera et al.

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