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公开(公告)号:US11485926B2
公开(公告)日:2022-11-01
申请号:US17423636
申请日:2020-01-21
申请人: ENEOS CORPORATION
IPC分类号: C10M137/10 , C10M137/08 , C10M107/32 , C10M169/04 , C10N30/06 , C10N40/30 , C10N70/00
摘要: The present invention provides a refrigerating machine oil comprising a lubricating base oil and at least one selected from the group consisting of an amine salt of phosphonic acid and an amine salt of phosphonic acid monoester, and a method for producing the same.
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公开(公告)号:US11384309B2
公开(公告)日:2022-07-12
申请号:US16967242
申请日:2019-02-06
申请人: ENEOS Corporation
发明人: Yohei Shono , Fumiyuki Nara , Takeshi Okido , Hidetoshi Ogata
IPC分类号: C10M137/10 , C09K5/04 , C10M105/34 , C10M105/38 , C10M169/04 , C10N20/00 , C10N30/02 , C10N30/06 , C10N40/30
摘要: One aspect of the present invention is a refrigerating machine oil containing: a base oil containing an ester of an alcohol and a fatty acid; a compound represented by the following formula (1): wherein R1 and R2 each independently represent a monovalent hydrocarbon group, R3 represents a divalent hydrocarbon group, and R4 represents hydrogen atom or a monovalent hydrocarbon group, and the refrigerating machine oil having a kinematic viscosity at 40° C. of 10 mm2/s or less.
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公开(公告)号:US11326118B2
公开(公告)日:2022-05-10
申请号:US17258304
申请日:2019-07-30
申请人: ENEOS Corporation
发明人: Yuji Shitara , Yohei Shono , Hidetoshi Ogata , Kazushi Kodama , Hiroshi Matsuura , Satoshi Masuyama
IPC分类号: C10M105/06 , C08J7/06 , C10M101/02 , C10N20/02
摘要: A lubrication method including lubricating a sliding member which contains at least one selected from the group consisting of a liquid crystal polymer and polyetheretherketone by using a lubricating oil composition which contains at least one selected from the group consisting of a mineral oil and alkyl benzene as a lubricating base oil.
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公开(公告)号:US11505760B2
公开(公告)日:2022-11-22
申请号:US16077932
申请日:2017-02-15
申请人: ENEOS Corporation
发明人: Yohei Shono , Akira Tada , Yuya Mizutani , Takeshi Okido , Hidetoshi Ogata , Tatsuki Nakajima
IPC分类号: C09K5/04 , C10M171/00 , C10M101/00 , C10M131/04 , C10M169/04 , C10N20/00 , C10N30/02 , C10N40/30
摘要: The present invention provides a refrigerating machine oil comprising a hydrocarbon-based base oil having a viscosity index of 120 or less, and the refrigerating machine oil being used with a 1-chloro-2,3,3,3-tetrafluoropropene refrigerant.
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公开(公告)号:US11499114B2
公开(公告)日:2022-11-15
申请号:US16769352
申请日:2018-11-19
申请人: ENEOS Corporation
发明人: Fumiyuki Nara , Yohei Shono , Takeshi Okido , Hidetoshi Ogata
IPC分类号: C10M137/10 , C09K5/10 , C10M169/04 , C10N20/02 , C10N30/06 , C10N40/30
摘要: A refrigerating oil comprising a lubricating base oil, a first extreme pressure agent containing sulfur and phosphorus as constituent elements and a second extreme pressure agent containing phosphorus but not containing sulfur as constituent elements, and having a kinematic viscosity at 100° C. of 0.5 mm2/s or more and 2.5 mm2/s or less.
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公开(公告)号:US11384271B2
公开(公告)日:2022-07-12
申请号:US16981388
申请日:2019-04-02
申请人: ENEOS Corporation
摘要: One aspect of the present invention is a refrigerating machine including a refrigerant circulation system including a compressor, a condenser, an expansion mechanism, and an evaporator, and the refrigerant circulation system being filled with a refrigerant and a refrigerating machine oil, wherein the refrigerating machine oil contains: a first base oil having a compatible region with the refrigerant in a range of a temperature of 30° C. or lower and an oil ratio of 1 to 80% by mass; and a second base oil having a kinematic viscosity at 40° C. lower than the first base oil and having a narrower compatible region with the refrigerant than the first base oil.
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公开(公告)号:US11001779B2
公开(公告)日:2021-05-11
申请号:US16327444
申请日:2017-09-14
申请人: ENEOS Corporation
IPC分类号: C09K5/04 , C10M137/10 , C10M171/00 , C10M169/04 , C10M105/38 , C10N20/00 , C10N30/10 , C10N40/30
摘要: The present invention, in one aspect, provides a refrigerating machine oil including a lubricating base oil and a compound represented by the following formula (A): wherein R1 and R2 each independently represent a monovalent hydrocarbon group, and R3 and R4 each independently represent a hydrogen atom or an alkyl group, the refrigerating machine oil being used with a refrigerant including an unsaturated hydrofluorocarbon.
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公开(公告)号:US10913918B2
公开(公告)日:2021-02-09
申请号:US16092630
申请日:2017-04-14
申请人: ENEOS Corporation
IPC分类号: C09K5/04 , C10M169/04 , C10M145/14 , C10M171/00 , C10M105/38 , C10M107/24 , C10N20/04 , C10N20/00 , C10N30/06 , C10N40/30
摘要: The present invention provides a refrigerating machine oil comprising: a lubricating base oil; and 40 mass % or less of a polymer, based on a total amount of the refrigerating machine oil, the polymer having a structural unit represented by the following formula (I) and a weight average molecular weight of from 500 to 100000. [In formula (I), Ra, Rb and Rc each independently represents a hydrogen atom or a hydrocarbon group, and Rd represents an oxygen-containing organic group or a C1-18 hydrocarbon group.]
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公开(公告)号:US11549077B2
公开(公告)日:2023-01-10
申请号:US16967250
申请日:2019-02-06
申请人: ENEOS Corporation
发明人: Yohei Shono , Fumiyuki Nara , Takeshi Okido , Hidetoshi Ogata
IPC分类号: C10M137/04 , C10M137/10 , C09K5/04 , C10M169/04 , F25B31/00 , C10N30/00 , C10N30/02 , C10N30/06 , C10N40/30
摘要: A refrigerating machine oil containing: a lubricating base oil; and a compound represented by the following formula (1): wherein R1 and R2 each independently represent a monovalent hydrocarbon group, R3 represents a divalent hydrocarbon group, and R4 represents hydrogen atom or a monovalent hydrocarbon group, and the refrigerating machine oil having a kinematic viscosity at 100° C. of 0.5 mm2/s or more and 2.5 mm2/s or less.
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公开(公告)号:US11453839B2
公开(公告)日:2022-09-27
申请号:US17270179
申请日:2019-08-27
申请人: ENEOS Corporation
IPC分类号: C10M171/00 , C10M105/42 , C10M129/18 , C10M137/02 , C10N20/00 , C10N40/30
摘要: The present invention provides a refrigerating machine oil containing a lubricating base oil, a dialkyl hydrogen phosphite having two alkyl groups having 1 to 12 carbon atoms in the molecule, and an epoxy compound.
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