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Title:
REFRIGERATING MACHINE OIL
Document Type and Number:
WIPO Patent Application WO/2021/221063
Kind Code:
A1
Abstract:
One aspect of the present invention provides a refrigerating machine oil which contains a lubricant base oil, a phosphorus-containing additive, and a polymer that contains an unsaturated carboxylic acid ester as a monomer unit.

Inventors:
NARA FUMIYUKI (JP)
SHONO YOHEI (JP)
OGATA HIDETOSHI (JP)
Application Number:
PCT/JP2021/016821
Publication Date:
November 04, 2021
Filing Date:
April 27, 2021
Export Citation:
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Assignee:
ENEOS CORP (JP)
International Classes:
C10M161/00; C10M169/04; C10M137/00; C10M145/10; C10M145/14; C10M145/16; C10N20/02; C10N30/06; C10N40/30
Domestic Patent References:
WO2018097173A12018-05-31
WO1993013185A11993-07-08
WO2007105452A12007-09-20
WO2021100634A12021-05-27
WO2005012469A12005-02-10
Foreign References:
JP2008184569A2008-08-14
JP2007204568A2007-08-16
JP2005281603A2005-10-13
JP2011162766A2011-08-25
JP2018083920A2018-05-31
Other References:
See also references of EP 4134415A4
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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