Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1990-03-21
1991-07-23
Lieberman, Paul
Compositions
Water-softening or purifying or scale-inhibiting agents
134 12, 134 38, 134 39, 134 40, 252 67, 252162, 252170, 252305, 252364, 252DIG9, 424 45, 521131, C11D 730, C11D 750, C09K 330, C23G 5028
Patent
active
050341499
ABSTRACT:
Azeotropic mixtures of 3-chloro-1,1,1-trifluoropropane (HCFC-253fb) with methanol, ethanol, or trans-1,2-dichloroethylene (t-HCC-1130) are useful in solvent cleaning applications.
REFERENCES:
patent: 2999815 (1961-09-01), Eiseman
patent: 2999816 (1961-09-01), Bennett et al.
patent: 3881949 (1975-05-01), Brock
patent: 3903009 (1975-09-01), Bauer et al.
patent: 4482465 (1984-11-01), Gray
patent: 4767561 (1988-08-01), Gorski
patent: 4795763 (1989-01-01), Gluck et al.
E. I. Du Pont de Nemours and Company
Lieberman Paul
Skaling Linda D.
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