Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1990-10-03
1991-08-06
Lieberman, Paul
Compositions
Water-softening or purifying or scale-inhibiting agents
62114, 134 12, 134 31, 134 38, 134 39, 134 40, 252162, 252364, 252DIG9, 252 67, 521 98, 521131, C09K 504, C11D 730, C11D 750, C23G 5028
Patent
active
050375733
ABSTRACT:
The azeotropic mixture of 1,1-dichloro-1-fluoroethane and n-perfluorobutylethylene is disclosed. The azeotropic mixture is useful as: a cleaning agent, a blowing agent, a refrigerant, an aerosol propellant, a fire extinguishing agent, a heat transfer medium and a power cycle working fluid.
REFERENCES:
patent: 2999815 (1961-09-01), Eiseman
patent: 2999817 (1961-09-01), Bower
patent: 3789088 (1974-01-01), La Lande, Jr. et al.
patent: 3881949 (1975-05-01), Brock
patent: 3903009 (1975-09-01), Bauer et al.
patent: 4482902 (1984-12-01), Fritschel
patent: 4624988 (1986-11-01), Fritschel
E. I. Du Pont de Nemours and Company
Lieberman Paul
Shipley James E.
Skaling Linda D.
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