Working fluid containing tetrafluoroethane

Details Working fluid containing tetrafluoroethane Working fluid containing tetrafluoroethane

1992-02-11

1994-12-06

Skane, Christine

Compositions

Vaporization, or expansion, refrigeration or heat or energy...

62114, C09K 504

Patent

active

053708113

ABSTRACT:
A working fluid comprising tetrafluoroethane and at least two fluorinated hydrocarbons having a boiling point of not higher than -40.degree. C. under atmospheric pressure selected from the group consisting of methane derivatives and ethane derivatives which consist of one or two carbon atoms, hydrogen atoms and fluorine atoms, which has very small influence on the ozone layer in the stratosphere and is suitable as a substitute working fluid for chlorodifluoromethane.

REFERENCES:
patent: 3173872 (1965-03-01), Broadley et al.
patent: 3444085 (1969-05-01), Eiseman
patent: 3640869 (1972-02-01), Orfeo et al.
patent: 4810403 (1989-03-01), Bivens et al.
patent: 4971712 (1990-11-01), Gorski et al.
patent: 5185094 (1993-02-01), Shiflett
World Patent Index, Latest, accession No. 89-035371 [05], Derwent Publications Ltd. (London)-Abstract of JP-A-63 308 084, Dec. 1988.

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