Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hidetoshi Ogata0
Yohei Shono0
Fumiyuki Nara0
Date of Patent
October 22, 2024
0Patent Application Number
179201310
Date Filed
April 27, 2021
0Patent Citations
Patent Primary Examiner
Patent abstract
An aspect of the present invention provides a refrigerating machine oil containing: a lubricating base oil; a phosphorus-containing additive; and a polymer comprising an unsaturated carboxylic acid ester as a monomer unit.
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