公开(公告)号：US20220098506A1

公开(公告)日：2022-03-31

申请号：US17426156

申请日：2020-01-21

Applicant: ENEOS Corporation

Inventor： Yohei SHONO ,  Tatsuki NAKAJIMA ,  Shogo HASHIMOTO ,  Hidetoshi OGATA

IPC: C10M137/02 ,  C10M169/04 ,  C10N40/30

Abstract: The present invention provides a method for producing a refrigerating machine oil, comprising blending a hydrocarbyl hydrogen phosphite having an acid value of 100 mgKOH/g or less with a lubricating base oil or an oil composition containing a lubricating base oil, and a refrigerating machine oil obtained by the method.

公开(公告)号：US20220411710A1

公开(公告)日：2022-12-29

申请号：US17776400

申请日：2020-11-13

Applicant: ENEOS CORPORATION

Inventor： Yohei SHONO ,  Fumiyuki NARA

IPC: C10M101/00 ,  C10M129/56

Abstract: 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.

公开(公告)号：US20210269730A1

公开(公告)日：2021-09-02

申请号：US17258304

申请日：2019-07-30

Applicant: ENEOS Corporation

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

IPC: C10M105/06 ,  C10M101/02 ,  C08J7/06

Abstract: 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：US20230159851A1

公开(公告)日：2023-05-25

申请号：US17920131

申请日：2021-04-27

Applicant: ENEOS CORPORATION

Inventor： Fumiyuki NARA ,  Yohei SHONO ,  Hidetoshi OGATA

IPC: C10M171/00 ,  C09K5/04 ,  C10M169/04 ,  C10M145/14 ,  C10M145/16 ,  C10M137/04 ,  C10M101/00

CPC classification number: C10M171/008 ,  C09K5/041 ,  C10M101/00 ,  C10M137/04 ,  C10M145/14 ,  C10M145/16 ,  C10M169/04 ,  C10N2040/30

Abstract: 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：US20220098507A1

公开(公告)日：2022-03-31

申请号：US17423636

申请日：2020-01-21

Applicant: ENEOS CORPORATION

Inventor： Yohei SHONO ,  Tatsuki NAKAJIMA ,  Shogo HASHIMOTO ,  Yuya MIZUTANI ,  Hidetoshi OGATA

IPC: C10M137/08 ,  C10M169/04 ,  C10M107/32

Abstract: 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：US20210032558A1

公开(公告)日：2021-02-04

申请号：US16967242

申请日：2019-02-06

Applicant: ENEOS Corporation

Inventor： Yohei SHONO ,  Fumiyuki NARA ,  Takeshi OKIDO ,  Hidetoshi OGATA

IPC: C10M137/10 ,  C10M169/04 ,  C10M105/34 ,  C10M105/38 ,  C09K5/04

Abstract: 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：US20230365887A1

公开(公告)日：2023-11-16

申请号：US18266945

申请日：2021-12-20

Applicant: ENEOS Corporation

Inventor： Fumiyuki NARA ,  Yohei SHONO ,  Hidetoshi OGATA

IPC: C10M171/00 ,  C10M171/02 ,  C10M101/02 ,  C09K5/04

CPC classification number: C10M171/008 ,  C09K5/042 ,  C10M101/02 ,  C10M171/02 ,  C10N2020/02

Abstract: 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：US20230134730A1

公开(公告)日：2023-05-04

申请号：US17920114

申请日：2021-04-27

Applicant: ENEOS CORPORATION

Inventor： Fumiyuki NARA ,  Yohei SHONO ,  Hidetoshi OGATA

IPC: C10M169/04 ,  C10M101/02 ,  C10M107/04 ,  C10M111/04 ,  C10M137/10 ,  C10M145/16 ,  C10M161/00 ,  C09K5/04

Abstract: 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 mm2/s and a second hydrocarbon base oil having a kinematic viscosity at 40° C. of 6 mm2/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：US20220298448A1

公开(公告)日：2022-09-22

申请号：US17635855

申请日：2020-07-28

Applicant: ENEOS CORPORATION

Inventor： Yohei SHONO ,  Fumiyuki NARA

IPC: C10M169/04 ,  C10M101/00 ,  C10M129/16 ,  F25B31/00

Abstract: The refrigerating machine oil according to the present invention contains a lubricating base oil having a kinematic viscosity at 40° C. of 10 mm2/s or less, and an oiliness agent containing at least one selected from the group consisting of an ester oiliness agent and an ether oiliness agent.

公开(公告)号：US20210324295A1

公开(公告)日：2021-10-21

申请号：US17270179

申请日：2019-08-27

Applicant: ENEOS Corporation

Inventor： Yohei SHONO ,  Tatsuki NAKAJIMA ,  Shogo HASHIMOTO ,  Hidetoshi OGATA

IPC: C10M171/00 ,  C10M137/02 ,  C10M129/18 ,  C10M105/42

Abstract: 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.