Binary azeotropic compositions of 1,1,1,2,3,3-hexafluoro-3-metho

Details Binary azeotropic compositions of 1,1,1,2,3,3-hexafluoro-3-metho Binary azeotropic compositions of 1,1,1,2,3,3-hexafluoro-3-metho

1990-10-03

1991-06-25

Clingman, A. Lionel

Compositions

Water-softening or purifying or scale-inhibiting agents

134 12, 134 38, 134 39, 134 40, 203 67, 252162, 252170, 252172, 252364, 252DIG9, C11D 730, C11D 750, C23G 5028, B08B 300

Patent

active

050264982

ABSTRACT:
Azeotropic mixtures of 1,1,1,2,3,3-hexafluoro-3-methoxypropane with one of trans-1,2-dichloroethylene (t-HCC-1130), cis-1,2-dichloroethylene (c-HCC-1130), 1,1-dichloro-1,2-difluoroethane (HCFC-132c), or 1,2-dichloro-1,2-difluoroethane (HCFC-132), and the use of such azeotropic mixtures in solvent cleaning applications is disclosed.

REFERENCES:
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patent: 2999815 (1961-09-01), Eiseman, Jr.
patent: 2999816 (1961-09-01), Bennett et al.
patent: 3291844 (1966-12-01), Wetson
patent: 3691092 (1972-09-01), Floria
patent: 3881949 (1975-05-01), Brock
patent: 3903009 (1975-09-01), Bauer et al.
patent: 3976788 (1976-08-01), Regan
patent: 4357282 (1982-11-01), Anderson et al.
patent: 4767561 (1988-08-01), Gorski

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