Bis-crown-ether derivatives and their use

Details Bis-crown-ether derivatives and their use Bis-crown-ether derivatives and their use

1983-06-28

1985-06-18

Ivy, C. Warren

Liquid purification or separation

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Material

210511, 210643, 252 60, 521 88, 524108, 549352, C08J 522, C08K 515

Patent

active

045239940

ABSTRACT:
Bis-crown-ether derivatives having such configuration that the two crown rings may easily overlap spatially, holding a potassium or the like ion between them, and ion-selective membranes used for said bis-crown-ether derivatives as neutral carrier, which are useful as an ion sensor and are superior to the ion-selective membrane containing valinomycin.

REFERENCES:
patent: 3954742 (1976-05-01), Snapp
patent: 3956136 (1976-05-01), Frost
patent: 3987061 (1976-10-01), Pedersen
patent: 4070512 (1978-01-01), Lochmann
patent: 4256859 (1981-03-01), Woo
patent: 4271425 (1981-06-01), Wong
patent: 4313865 (1982-02-01), Teramoto
patent: 4361473 (1982-11-01), Young

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