Organophosphorus compounds

Details Organophosphorus compounds Organophosphorus compounds

1986-03-10

1989-04-04

Sutto, Anton H.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Ion-exchange polymer or process of preparing

521 30, 558161, 2605024P, C08F 840, C07F 938, C07F 940

Patent

active

048187747

ABSTRACT:
Polyvalent cations (e.g., U(IV), Fe(III) can be extracted from aqueous solution using novel organophosphorus compounds of the formulas: ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and are selected from alkyl, alkoxyl, alkylaryl and alkylaryloxy groups having from 1 to 18 carbon atoms or hydroxyl;

REFERENCES:
patent: 3299123 (1967-01-01), Fitch et al.
patent: 3404178 (1968-10-01), Roy

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