Compositions – Vaporization – or expansion – refrigeration or heat or energy...
Reexamination Certificate
2007-05-15
2007-05-15
Elhilo, Eisa (Department: 1751)
Compositions
Vaporization, or expansion, refrigeration or heat or energy...
C252S068000, C252S069000, C508S110000, C508S111000, C208S019000
Reexamination Certificate
active
11108482
ABSTRACT:
The present invention relates to refrigerant compositions comprising a fluorocarbon, an oxygenated lubricant, a non-oxygenated lubricant, and a compatibilizer. The present invention further relates to methods for replacing a chlorofluorocarbon and/or hydrochlorofluorocarbon and a non-oxygenated lubricant composition with a fluorocarbon and an oxygenated lubricant composition in a compression refrigeration system without flushing residual non-oxygenated lubricant from the system
REFERENCES:
patent: 4975212 (1990-12-01), Thomas et al.
patent: 5023007 (1991-06-01), Grava et al.
patent: 5154846 (1992-10-01), Thomas et al.
patent: 5205357 (1993-04-01), Terral
patent: 5254280 (1993-10-01), Thomas et al.
patent: 5417872 (1995-05-01), Fukuda et al.
patent: 5498356 (1996-03-01), Kamakura et al.
patent: 5547593 (1996-08-01), Sanechika et al.
patent: 5801132 (1998-09-01), Kaneko et al.
patent: 6251300 (2001-06-01), Takigawa et al.
patent: 6379581 (2002-04-01), Kamakura et al.
patent: 6516837 (2003-02-01), Thomas et al.
patent: 2002/0013233 (2002-01-01), Corr et al.
patent: 2003/0209688 (2003-11-01), Lee et al.
patent: 0406433 (1997-03-01), None
patent: 0784090 (1997-07-01), None
patent: 05025468 (1993-02-01), None
patent: 05060406 (1993-03-01), None
patent: 07097587 (1995-04-01), None
PCT Notification of Transmittal of the International Search Report dated Sep. 17, 2003.
PCT Notification of Transmittal of the International Search Report date mailed: Apr. 9, 2004.
E.I. du Pont de Nemours and Company
Elhilo Eisa
Hamby Jane O.
Sebree Chyrrea J.
LandOfFree
Fluorocarbon, oxygenated and non-oxygenated lubricant, and... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Fluorocarbon, oxygenated and non-oxygenated lubricant, and..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fluorocarbon, oxygenated and non-oxygenated lubricant, and... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3763152