Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1988-05-24
1989-02-14
Lieberman, Paul
Compositions
Water-softening or purifying or scale-inhibiting agents
252171, 252DIG9, 134 40, C11D 730, C11D 750
Patent
active
048044938
ABSTRACT:
A stabilized azeotrope or azeotrope-like composition is disclosed with 1,1,2-trichloro-1,2,2-trifluoroethane and trans-1,2-dichloroethylene containing effective stabilizing amounts of lower alkoxyphenol, 1,2-butylene oxide, nitromethane and/or 1,2-propylene oxide.
REFERENCES:
patent: 3349039 (1967-10-01), Renault
patent: 3455835 (1969-07-01), Burt
E. I. Du Pont de Nemours and Company
Lieberman Paul
Markowski Kathleen
Shipley James E.
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