公开(公告)号：EP4134417A1

公开(公告)日：2023-02-15

申请号：EP21796063.2

申请日：2021-04-27

申请人： ENEOS Corporation

发明人： NARA Fumiyuki ,  SHONO Yohei ,  OGATA Hidetoshi

IPC分类号： C10M171/02 ,  C10N20/02 ,  C10N30/06 ,  C10N40/30 ,  C10M137/00

摘要： An aspect of the present invention provides a refrigerating machine oil containing a mixed base oil of a first hydrocarbon base oil having a kinematic viscosity at 40°C of less than 6 mm 2 /s and a second hydrocarbon base oil having a kinematic viscosity at 40°C of 6 mm 2 /s or more, wherein a (A)/(B) ratio is more than 1 and 1.5 or less, wherein (A) is a kinematic viscosity at 40°C of the mixed base oil, and (B) is the kinematic viscosity at 40°C of the first hydrocarbon base oil.

公开(公告)号：EP3845623A1

公开(公告)日：2021-07-07

申请号：EP19853566.8

申请日：2019-08-27

申请人： ENEOS Corporation

发明人： SHONO Yohei ,  NAKAJIMA Tatsuki ,  HASHIMOTO Shogo ,  OGATA Hidetoshi

IPC分类号： C10M137/04 ,  C10M129/18 ,  C10N30/06 ,  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.

公开(公告)号：EP4249574A1

公开(公告)日：2023-09-27

申请号：EP21910704.2

申请日：2021-12-20

申请人： ENEOS Corporation

发明人： NARA Fumiyuki ,  SHONO Yohei ,  OGATA Hidetoshi

IPC分类号： C10M169/04 ,  C10N20/00 ,  C10N30/02 ,  C10N30/06 ,  C10N40/30 ,  C10M101/02 ,  C10M105/02 ,  C10M107/02 ,  C10M137/00 ,  C09K5/04

摘要： A refrigerating machine oil containing a hydrocarbon base oil having a 90% distillation temperature of 270°C or lower.

公开(公告)号：EP3835395A1

公开(公告)日：2021-06-16

申请号：EP19846922.3

申请日：2019-07-30

申请人： ENEOS Corporation

发明人： SHITARA Yuji ,  SHONO Yohei ,  OGATA Hidetoshi ,  KODAMA Kazushi ,  MATSUURA Hiroshi ,  MASUYAMA Satoshi

IPC分类号： C10M105/32 ,  C10N20/02 ,  C10N30/00 ,  C10N30/06 ,  C10N40/02

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 an ester as a lubricating base oil.

公开(公告)号：EP3835394A1

公开(公告)日：2021-06-16

申请号：EP19848630.0

申请日：2019-07-30

申请人： ENEOS Corporation

发明人： SHITARA Yuji ,  SHONO Yohei ,  OGATA Hidetoshi ,  KODAMA Kazushi ,  MATSUURA Hiroshi ,  MASUYAMA Satoshi

IPC分类号： C10M101/02 ,  C10M105/06 ,  C10N20/02 ,  C10N30/00 ,  C10N30/06 ,  C10N40/02

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.

公开(公告)号：EP4245829A1

公开(公告)日：2023-09-20

申请号：EP21910713.3

申请日：2021-12-20

申请人： ENEOS Corporation

发明人： NARA Fumiyuki ,  SHONO Yohei ,  OGATA Hidetoshi

IPC分类号： C10M171/00 ,  C10M171/02 ,  C10N20/00 ,  C10N20/02 ,  C10N30/06 ,  C10N40/30 ,  C10M101/02 ,  C09K5/04

摘要： A refrigerating machine oil having a flash point of 130°C or lower and a carbon residue of 10% residual oil of 0.02% by mass or more.

公开(公告)号：EP4134416A1

公开(公告)日：2023-02-15

申请号：EP21796311.5

申请日：2021-04-27

申请人： ENEOS Corporation

发明人： OGATA Hidetoshi ,  NARA Fumiyuki ,  SHONO Yohei

IPC分类号： C10M169/04 ,  C10N20/02 ,  C10N30/06 ,  C10N40/30 ,  C10M107/02 ,  C10M145/10

摘要： An aspect of the present invention provides a refrigerating machine oil containing: a lubricating base oil; and a polymer containing an unsaturated carboxylic acid ester as a monomer unit, wherein the unsaturated carboxylic acid ester contains an ester of an unsaturated carboxylic acid and an alcohol having a hydrocarbon group represented by the following formula (1):

wherein x represents an integer of 5 to 18, and y represents an integer of 3 to 18.

公开(公告)号：EP4134415A1

公开(公告)日：2023-02-15

申请号：EP21797478.1

申请日：2021-04-27

申请人： ENEOS Corporation

发明人： NARA Fumiyuki ,  SHONO Yohei ,  OGATA Hidetoshi

IPC分类号： C10M161/00 ,  C10M169/04 ,  C10N20/02 ,  C10N30/06 ,  C10N40/30 ,  C10M137/00 ,  C10M145/10 ,  C10M145/14 ,  C10M145/16

摘要： 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.

公开(公告)号：EP4063472A1

公开(公告)日：2022-09-28

申请号：EP20890875.6

申请日：2020-11-13

申请人： ENEOS Corporation

发明人： SHONO Yohei ,  NARA Fumiyuki

IPC分类号： C10M169/04 ,  C10N30/06 ,  C10N40/30 ,  C10M101/02 ,  C10M145/10 ,  C09K5/04

摘要： A refrigerating machine oil containing: a lubricating base oil; and a polymer additive, wherein a carbon residue of 10% residual oil is 0.05% by mass or more.