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.

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

发明人： Yohei Shono ,  Kentaro Yamaguchi ,  Yuya Mizutani ,  Takeshi Okido ,  Hidetoshi Ogata

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.

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

发明人： Hiroko Shimpo ,  Kentaro Yamaguchi ,  Hidetoshi Ogata ,  Takeshi Okido

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.]

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.

公开(公告)号：US11377619B2

公开(公告)日：2022-07-05

申请号：US16479706

申请日：2018-01-30

申请人： ENEOS Corporation

发明人： Fumiyuki Nara ,  Yohei Shono ,  Takeshi Okido ,  Hidetoshi Ogata

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

摘要： An aspect of the present invention relates to a refrigerating machine oil with a kinematic viscosity at 100° C. of 0.5 mm2/s or more and 1.5 mm2/s or less, a 90% distillation temperature in gas chromatography distillation of 280° C. or more and less than 360° C., and an aniline point of 70° C. or more.

公开(公告)号：US11365368B2

公开(公告)日：2022-06-21

申请号：US16769342

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： C10M171/00 ,  C10M101/02 ,  C10M137/10 ,  C10M171/02 ,  C10N40/30

摘要： A refrigerating machine oil having a kinematic viscosity at 100° C. of 0.5 mm2/s or more and 2.5 mm2/s or less, a distillation end point in gas chromatography distillation of 380° C. or more and 450° C. or less, and a sulfur content of 0.001 mass % or more and 0.2 mass % or less.

公开(公告)号：US11208608B2

公开(公告)日：2021-12-28

申请号：US16343226

申请日：2017-10-20

申请人： ENEOS Corporation

发明人： Kentaro Yamaguchi ,  Akira Tada ,  Tatsuki Nakajima ,  Takeshi Okido ,  Hidetoshi Ogata

IPC分类号： C10M107/28 ,  C09K5/04 ,  C09K5/08 ,  C10N20/02 ,  C10N30/02 ,  C10N40/30

摘要： In an aspect, the present invention provides a refrigerating machine oil comprising a poly(meth)acrylate as a base oil, wherein the poly(meth)acrylate comprises a hydrogenated poly(meth)acrylate, a content of a unit having a carbon-carbon double bond present at a terminal in the poly(meth)acrylate is 6% by mole or less relative to total units constituting the poly(meth)acrylate, and a kinematic viscosity at 40° C. of the hydrogenated poly(meth)acrylate is 1 to 1000 mm2/s, the refrigerating machine oil being used with a refrigerant comprising a refrigerant selected from difluoromethane, a mixture of difluoromethane and pentafluoroethane, a mixture of difluoromethane, pentafluoroethane, and 1, 1, 1, 2-tetrafluoroethane, a mixture of pentafluoroethane, 1, 1, 1, 2-tetrafluoroethane, and 1, 1, 1-trifluoroethane, an unsaturated hydrofluorocarbon, a hydrocarbon, and carbon dioxide.

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.

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.