Compositions – Vaporization – or expansion – refrigeration or heat or energy... – With lubricants – or warning – stabilizing or anti-corrosion...
Reexamination Certificate
2011-04-19
2011-04-19
Hardee, John R (Department: 1761)
Compositions
Vaporization, or expansion, refrigeration or heat or energy...
With lubricants, or warning, stabilizing or anti-corrosion...
Reexamination Certificate
active
07927503
ABSTRACT:
The present invention provides lubricating oil for a compression refrigerator, characterized by including an alkylene glycol or polyoxy alkylene glycol unit and a vinyl ether unit in a molecule and containing a polyvinyl ether compound having a molecular weight of 300 to 3,000. The lubricating oil for a compression refrigerator has a high viscosity index and excellent compatibility under a natural refrigerant atmosphere such as carbon dioxide.
REFERENCES:
patent: 5399631 (1995-03-01), Egawa et al.
patent: 5908818 (1999-06-01), Egawa et al.
patent: 6734151 (2004-05-01), Kubota et al.
patent: 08-193196 (1996-07-01), None
patent: 10-46169 (1998-02-01), None
patent: 10-088161 (1998-04-01), None
U.S. Appl. No. 12/443,500, filed Mar. 30, 2009, Kaneko, et al.
U.S. Appl. No. 12/443,606, filed Mar. 30, 2009, Kaneko, et al.
U.S. Appl. No. 12/443,494, filed Mar. 30, 2009, Kaneko, et al.
U.S. Appl. No. 12/443,486, filed Mar. 30, 2009, Kaneko, et al.
U.S. Appl. No. 12/443,501, filed Mar. 30, 2009, Kaneko, et al.
U.S. Appl. No. 12/443,488, filed Mar. 30, 2009, Kaneko, et al.
Kaneko Masato
Nagao Satoshi
Shimizu Nobuaki
Terada Izumi
Hardee John R
Idemitsu Kosan Co. Ltd.
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
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