Salts of alkylenediamine carboxylic acids and aqueous solutions

Details Salts of alkylenediamine carboxylic acids and aqueous solutions Salts of alkylenediamine carboxylic acids and aqueous solutions

1977-07-08

1979-03-13

Niebling, John F.

Compositions

Electrolytes for electrical devices

252 41, 252 493, 252 515A, 2604045, C10M 132, C09F 500

Patent

active

041441826

ABSTRACT:
Aqueous solutions of salts of alkylenediaminecarboxylic acids of the formula ##STR1## such as N-isononanoyl-ethylenediamine-N, N'-diacetic acid are effective coolants and lubricants for the machining and other working of metals and inhibit the corrosion of ferrous metals. The salts are biodegradable.

REFERENCES:
patent: 2781370 (1957-02-01), Mannheimer
patent: 2828262 (1958-03-01), Morway
patent: 2941943 (1960-06-01), Kirkpatrick
patent: 3278430 (1966-10-01), Williams
patent: 3801609 (1974-04-01), Magne

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