Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yasuhiro Kawaguchi0
Hiroshi Nagakawa0
Masato Kaneko0
Nobuaki Shimizu0
Date of Patent
May 12, 2009
0Patent Application Number
099395990
Date Filed
August 28, 2001
0Patent Primary Examiner
Patent abstract
Disclosed is a lubricating oil for compression-type refrigerator comprising, as a main component, a polyoxyalkyleneglycol derivative represented by the general formula:R1[(OR2)mOR3]nwherein symbols are as defined in the specification. Said lubricating oil has a favorable compatibility with refrigerants and an excellent lubricating property, and is utilized as the lubricating oil for compression-type refrigerator employing hydrogen-containing fluorocarbon compound refrigerants including R-134a or fluorocarbon compound refrigerants without hydrogen.
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