Cleaning and liquid contact with solids – Processes – Gas or vapor condensation or absorption on work
Patent
1987-01-08
1987-12-29
Wax, Robert
Cleaning and liquid contact with solids
Processes
Gas or vapor condensation or absorption on work
134 40, 134 42, 252171, 252364, 252DIG9, B08B 308, C11D 750
Patent
active
047159006
ABSTRACT:
Azeotropic mixtures of 1,1,2-trichloro-1,2,2-trifluoroethane (FC-113) and 1,2-dichloro-1,1-difluoroethane (FC-132b) with methanol or ethanol, the azeotropic mixtures being useful in solvent cleaning applications.
REFERENCES:
patent: 2999815 (1961-09-01), Eiseman
patent: 2999816 (1961-09-01), Bennett et al.
patent: 2999817 (1961-09-01), Bower
patent: 3573213 (1971-03-01), Burt
patent: 3728269 (1973-04-01), Burt
patent: 3789006 (1974-01-01), McMillan et al.
patent: 3903009 (1975-09-01), Bauer et al.
Connon Helen A.
Gorski Robert A.
Kenyon William G.
Yokozeki Akimichi
E. I. Du Pont de Nemours and Company
Shipley James E.
Wax Robert
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