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

发明人： Yohei Shono ,  Tatsuki Nakajima ,  Shogo Hashimoto ,  Yuya Mizutani ,  Hidetoshi Ogata

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.

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：US11453839B2

公开(公告)日：2022-09-27

申请号：US17270179

申请日：2019-08-27

申请人： ENEOS Corporation

发明人： Yohei Shono ,  Tatsuki Nakajima ,  Shogo Hashimoto ,  Hidetoshi Ogata

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.

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.