Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1989-12-15
1991-03-05
Lieberman, Paul
Compositions
Water-softening or purifying or scale-inhibiting agents
62114, 134 12, 134 38, 134 39, 134 40, 252 69, 252162, 252364, 252DIG9, 521 98, 521131, C11D 730, C11D 750, C09K 504, C08J 914
Patent
active
049975897
ABSTRACT:
Novel azeotrope-like compositions comprising 1,2-difluoroethane and dichlorotrifuoroethane which are useful in a variety of industrial applications including refrigerant applications, solvent applications, and blowing agent applications.
REFERENCES:
patent: 2101993 (1937-12-01), Fleischer
patent: 2641579 (1953-06-01), Benning
patent: 3352789 (1967-11-01), Degginger
patent: 3940342 (1976-02-01), Hutchinson
patent: 4173530 (1979-11-01), Smith et al.
patent: 4303536 (1981-12-01), Orfeo
patent: 4624970 (1986-11-01), Dwyer
patent: 4816175 (1989-03-01), Lund
patent: 4816176 (1989-03-01), Lund
R. C. Downing, "Fluorocarbon Refrigerants Handbook", 17-43, 139-160 (1988).
W. Swietoslawski, "Ebulliometric Measurements", 1-17 (1945).
Lund Earl E. A.
Shankland Ian R.
Swan Ellen L.
Allied-Signal Inc.
Friedenson Jay P.
Lieberman Paul
Skaling Linda D.
Szuch Colleen D.
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