Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1974-10-23
1976-08-24
Hart, Charles N.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
260 515, C02B 114
Patent
active
039765717
ABSTRACT:
A redox resin capable of removing reducible metal ions effectively from aqueous solutions is described. This resin is obtained by polycondensation of a mixture of formaldehyde, pyrocatechol and an aromatic amine.
REFERENCES:
patent: 2927096 (1960-03-01), Soloway
patent: 3660317 (1972-05-01), Masatsugu
patent: 3755161 (1973-08-01), Yokota et al.
patent: 3847841 (1974-11-01), Motani et al.
patent: 3864327 (1975-02-01), Marchant
Cintins Ivars
Hart Charles N.
Rhone-Poulenc S.A.
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