Compositions – Vaporization – or expansion – refrigeration or heat or energy... – With lubricants – or warning – stabilizing or anti-corrosion...
Reexamination Certificate
2008-03-04
2008-03-04
Hardee, John R. (Department: 1751)
Compositions
Vaporization, or expansion, refrigeration or heat or energy...
With lubricants, or warning, stabilizing or anti-corrosion...
C252S067000
Reexamination Certificate
active
07338616
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: 4422297 (1983-12-01), Rojey
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: 2005/0166607 (2005-08-01), Brasz et al.
patent: 2000007601 (2000-01-01), None
patent: WO 00/024814 (2000-05-01), None
patent: WO 01/23491 (2001-04-01), None
International Search Report, date of mailing: Aug. 15, 2006.
Written Opinion of the International Searching Authority, date of mailing: Aug. 15, 2006.
Biancardi et. al., “Component Design Issues and Limitations With 3rdGeneration HFC, HC and Natural Refrigerants”, Science et Technique du Frond, 1994, pp. 365-386.
Leck Thomas J.
Minor Barbara Haviland
E.I. Du Pont de Nemours and Company
Hamby Jane O.
Hardee John R.
LandOfFree
1,1,1,2,2,4,5,5,5-Nonafluoro-4-(trifluoromethyl)-3-pentanone... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with 1,1,1,2,2,4,5,5,5-Nonafluoro-4-(trifluoromethyl)-3-pentanone..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and 1,1,1,2,2,4,5,5,5-Nonafluoro-4-(trifluoromethyl)-3-pentanone... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2793949