Constant boiling admixtures

Details Constant boiling admixtures Constant boiling admixtures

1976-05-27

1977-08-02

Pitlick, Harris A.

Compositions

Water-softening or purifying or scale-inhibiting agents

252162, 252305, 252364, 252DIG9, 134 38, 134 40, 8142, C11D 750, C11D 730, C23G 502

Patent

active

040394654

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 octafluorocyclolbutane, with 1,2-dichloro-1,1,2,2-tetrafluoroethane, with dichlorofluoromethane, with trichlorofluoramethane, with 1,1,2-trichloro-1,2,2-trifluoroethane, and with 1,1,1-trifluoro-2-chloroethane.

REFERENCES:
patent: 2999815 (1961-09-01), Eiseman
patent: 3042479 (1962-07-01), Lawrence et al.
patent: 3349009 (1967-10-01), Ruenlen
patent: 3904542 (1975-09-01), Reusser
patent: 3936387 (1976-02-01), Reusser

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