1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone...

Details 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone... 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone...

2006-07-11

2006-07-11

Hardee, John R. (Department: 1751)

Compositions

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

With lubricants, or warning, stabilizing or anti-corrosion...

C252S067000, C521S050000, C524S463000

Reexamination Certificate

active

07074343

ABSTRACT:
Disclosed herein are refrigerant and heat transfer fluid compositions comprising 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone and at least one hydrocarbon. These compositions are useful in refrigeration and air conditioning systems that employ a centrifugal compressor. Also disclosed herein are azeotropic or near azeotropic refrigerant and heat transfer fluid compositions comprising 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone and at least one hydrocarbon.

REFERENCES:
patent: 5717001 (1998-02-01), Books et al.
patent: 6423673 (2002-07-01), Owens et al.
patent: 2002/0042470 (2002-04-01), Moore et al.
patent: 2000007601 (2000-01-01), None
patent: WO 00/024814 (2000-02-01), None
Biancardi et. al., “Component Design Issues and Limitations with 3RDGeneration HFC, HC and Natural Refrigerants”, Science et Technique du Froid, 1994, pp. 365-386.

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