Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1973-08-27
1976-02-03
Feinberg, Samuel
Compositions
Water-softening or purifying or scale-inhibiting agents
252 67, 252162, 252305, 252364, 252DIG9, C11D 750, C23G 502
Patent
active
039363872
ABSTRACT:
This invention relates to azeotropic compositions of 1,2-dichloro-1-fluoroethane or of 1,2-dichloro-1,2-difluoroethane with certain alcohols, ethers, or ketones.
REFERENCES:
patent: 2894044 (1959-07-01), Prill
patent: 2999816 (1961-09-01), Bennett
patent: 3349009 (1967-10-01), Ruehlen
patent: 3671444 (1972-06-01), Schofield
Feinberg Samuel
Palo Ralph
Phillips Petroleum Company
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