Compositions – Vaporization – or expansion – refrigeration or heat or energy... – With lubricants – or warning – stabilizing or anti-corrosion...
Reexamination Certificate
2008-01-01
2008-01-01
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
07314576
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 hydrofluorocarbon for use in refrigeration and air conditioning systems employing a centrifugal compressor. The compositions may be azeotropic or near-azeotropic.
REFERENCES:
patent: 5037573 (1991-08-01), Merchant
patent: 5039445 (1991-08-01), Merchant
patent: 5302212 (1994-04-01), Desboemdrs et al.
patent: 6299792 (2001-10-01), Feiring et al.
patent: 6423673 (2002-07-01), Owens et al.
patent: 2004/0226303 (2004-11-01), Jannick et al.
patent: 2005/0166607 (2005-08-01), Brasz et al.
patent: 520860 (1992-12-01), None
patent: 2002226839 (2002-08-01), None
patent: WO 97/31989 (1997-09-01), None
patent: WO 02/052072 (2002-07-01), None
patent: WO 03/018707 (2003-03-01), None
International Search Report, date of mailing: Aug. 29, 2006.
Written Opinion of the International Search Authority, date of mailing: Aug. 29, 2006.
Biancardi et. al., “Component Design Issues and Limitations With 3rdGeneration HFC, HC and Natural Refrigerants”, Science Et Technique Du Froid, 1994, pp. 365-386.
Leck Thomas J.
Minor Barbara Haviland
Nappa Mario Joseph
Sievert Allen Capron
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-2798033