Constant boiling admixtures

Details Constant boiling admixtures Constant boiling admixtures

1978-01-30

1979-01-16

Pitlick, Harris A.

Compositions

Water-softening or purifying or scale-inhibiting agents

134 38, 134 40, 252305, 252364, 252DIG9, C11D 750, C11D 730, C23G 502

Patent

active

041348494

ABSTRACT:
Constant boiling binary admixtures are formed by 1,2-dichloro-1,1-difluoroethane (F-132B) with acetone, with methanol, and with ethanol; and a constant boiling ternary admixture is formed with diethyl ether and ethanol. Constant boiling binary admixtures are formed by 1,1,2-trifluoroethane (F-143) with octafluorocyclobutane, with 1,2-dichloro-1,1,2,2-tetrafluoroethane, with dichlorofluoromethane, with trichlorofluoromethane, with 1,1,2-trichloro-1,2,2-trifluoroethane, and with 1,1,1-trifluoro-2-chloroethane.

REFERENCES:
patent: 3042479 (1962-07-01), Lawrence et al.
patent: 3349009 (1967-10-01), Ruehlen

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