Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Barbara Haviland Minor0
Date of Patent
May 22, 2007
0Patent Application Number
111527310
Date Filed
June 14, 2005
0Patent Primary Examiner
Patent abstract
The present invention relates to compositions for use in refrigeration and air-conditioning systems comprising 1,1,1,2,2,3,3,4,4-nonafluoro-4-methoxybutane and at least one hydrocarbon. Further, the present invention relates to compositions for use in refrigeration and air-conditioning systems employing a centrifugal compressor comprising 1,1,1,2,2,3,3,4,4-nonafluoro-4-methoxybutane at least one hydrocarbon. The compositions of the present invention may be azeotropic or near-azeotropic and are useful in processes for producing cooling or heat or as heat transfer fluids.
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