Azeotrope-like compositions containing difluoromethane, pentaflu

Compositions – Vaporization – or expansion – refrigeration or heat or energy...

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Details

62114, 510410, 510411, C09K 504

Patent

active

057440522

ABSTRACT:
Refrigerant compositions are disclosed which are non-flammable when vapor charged and which perform as well as compositions of 50 weight percent difluoromethane and 50 weight percent pentafluoroethane.

REFERENCES:
patent: 4978467 (1990-12-01), Shankland et al.
patent: 5162381 (1992-11-01), Richard et al.
patent: 5169873 (1992-12-01), Behme et al.
patent: 5254600 (1993-10-01), Blanpied et al.
patent: 5275751 (1994-01-01), Decaire et al.

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