1,1,1,3,3-pentafluorobutane refrigerant or heat transfer...

Details 1,1,1,3,3-pentafluorobutane refrigerant or heat transfer... 1,1,1,3,3-pentafluorobutane refrigerant or heat transfer...

2007-06-05

2008-09-09

Hardee, John R. (Department: 1796)

Compositions

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

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

C252S067000

Reexamination Certificate

active

07422699

ABSTRACT:
Disclosed herein are 1,1,1,3,3-pentafluorobutane refrigerant or heat transfer fluid compositions further comprising hydrofluorocarbon, N-(difluoromethyl)-N,N-dimethylamine, 1,1,1,2,2-pentafluoro-2-[(pentafluoroethyl)thio]ethane r mixtures thereof, which are useful in refrigerain or air conditioning apparatus or as heat transfer fluids. The compositions of the present invention are also useful in centrifugal compressor apparatus that employ two-stage compressors or single slab.single pass heat exchangers.

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Notification of Transmittal of International Search Report: Date of Mailing Jan. 31, 2006.
Written Opinion of the International Searching Authority; Date of Mailing Jan. 31, 2006.

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