Compositions – Vaporization – or expansion – refrigeration or heat or energy... – With lubricants – or warning – stabilizing or anti-corrosion...
Reexamination Certificate
2007-07-10
2007-07-10
Hardee, John R. (Department: 1751)
Compositions
Vaporization, or expansion, refrigeration or heat or energy...
With lubricants, or warning, stabilizing or anti-corrosion...
Reexamination Certificate
active
11014435
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 or 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 Society Authority; Date of Mailing: Jan. 31, 2006.
Minor Barbara Haviland
Nappa Mario J.
Sievert Allen C.
E.I. du Pont de Nemours and Company
Hamby Jane O.
Hardee John R.
Sebree Chyrrea J.
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