Hydrofluoroolefin compositions

Details Hydrofluoroolefin compositions Hydrofluoroolefin compositions

2009-05-14

2011-12-06

Hardee, John (Department: 1761)

Compositions

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

Reexamination Certificate

active

08070977

ABSTRACT:
The present invention relates to compositions containing hydrofluoroolefins and to the uses thereof as heat transfer fluids, blowing agents, solvents and aerosols. More particularly, the invention relates to compositions having: 5 to 65% by weight, preferably from 5 to 15% by weight, of 2,3,3,3-tetrafluoropropene, 5 to 70% by weight, preferably 40 to 60% by weight, of HFC-134a and 25 to 42% by weight of HFC-32.

REFERENCES:
patent: 2006/0243944 (2006-11-01), Minor et al.
patent: 2009/0253820 (2009-10-01), Bowman et al.
patent: WO 2004/037913 (2004-05-01), None
patent: WO 2005/105947 (2005-11-01), None
patent: WO 2006/094303 (2006-09-01), None
patent: WO 2008/009922 (2008-01-01), None
patent: WO 2008/009928 (2008-01-01), None

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