Metal sequestering method and composition using .alpha.,.alpha.'

Details Metal sequestering method and composition using .alpha.,.alpha.' Metal sequestering method and composition using .alpha.,.alpha.'

1973-08-03

1976-09-14

Padgett, Benjamin R.

Compositions

Water-softening or purifying or scale-inhibiting agents

Plant or organic material containing

252 89R, 252132, 252135, 252541, 252544, 252546, 252DIG11, C02B 506

Patent

active

039805786

ABSTRACT:
.alpha.,.alpha.'-carboxyalkoxy succinic acids and salts thereof are described in which the carboxyalkoxy radicals contain from 2 to about 7 carbon atoms and which are useful as sequestrants and in which the carboxyalkoxy radicals contain from about 8 to about 30 carbon atoms and which are useful as lubricant additives, sizing agents for paper and textiles, and the like. A method is disclosed for sequestering polyvalent metal ions using .alpha.,.alpha.'-carboxyalkoxy succinic acid or salts thereof. A method for sequestering polyvalent metal ions is disclosed using .alpha.,.alpha.'-carboxyalkoxy succinic acid or salts thereof in combination with a surfactant.

REFERENCES:
patent: 3293176 (1966-12-01), White
patent: 3692685 (1972-09-01), Lamberti
patent: 3725290 (1973-04-01), Nelson et al.

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