Polycarboxylate ethers

Details Polycarboxylate ethers Polycarboxylate ethers

1972-05-15

1980-10-14

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

562583, C07C 5922

Patent

active

042283000

ABSTRACT:
Compounds having the formula ##STR1## wherein M is an alkali metal or ammonium, R.sub.1 and R.sub.2 are hydrogen, methyl or ethyl and R.sub.3 is hydrogen, methyl, ethyl or COOM are useful sequestrants and detergency builders. Lower alkyl esters and acids of such compounds are useful intermediates for their production.

REFERENCES:
E. von Rudloff et al., Canadian Journal of Chemistry, vol. 35, pp. 315-321, 1957.

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