Azeotropic compositions of 1,1,2-trichlorotrifluoroethane and tr

Details Azeotropic compositions of 1,1,2-trichlorotrifluoroethane and tr Azeotropic compositions of 1,1,2-trichlorotrifluoroethane and tr

1988-12-29

1989-10-31

Lieberman, Paul

Compositions

Water-softening or purifying or scale-inhibiting agents

252162, 252170, 252172, 252364, 252DIG9, 134 12, 134 38, 134 39, 134 40, C11D 750, C11D 730

Patent

active

048775452

ABSTRACT:
Azeotropic mixtures of 1,1,2-trichlorotrifluoroethane (CFC-113) with trans-1,2-dichloroethylene and ethanol, n-propanol, isopropanol or acetone. Also, Azeotropic mixtures of 1,1,2-trichlorotrifluoroethane (CFC-113), trans-1,2-dichloroethylene and ethanol or acetone with nitromethane are disclosed. The azeotropic mixtures are useful in solvent cleaning applications.

REFERENCES:
patent: 2999815 (1961-09-01), Eiseman
patent: 3903009 (1975-09-01), Bauer et al.
patent: 4767561 (1988-08-01), Gorski
patent: 4803009 (1989-02-01), Gorski
U.S. patent application No. 07/198,015, (Allowed 9/7/88), Gorski.

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