公开(公告)号：US12098346B2

公开(公告)日：2024-09-24

申请号：US17920114

申请日：2021-04-27

Applicant: ENEOS CORPORATION

Inventor： Fumiyuki Nara ,  Yohei Shono ,  Hidetoshi Ogata

IPC: C10M169/04 ,  C09K5/04 ,  C10M101/02 ,  C10M107/04 ,  C10M111/04 ,  C10M137/10 ,  C10M145/16 ,  C10M161/00 ,  C10N20/02 ,  C10N30/02 ,  C10N40/30

CPC classification number: C10M169/044 ,  C09K5/042 ,  C10M101/02 ,  C10M107/04 ,  C10M111/04 ,  C10M137/105 ,  C10M145/16 ,  C10M161/00 ,  C10M2203/1006 ,  C10M2205/0225 ,  C10M2209/086 ,  C10M2223/041 ,  C10M2223/047 ,  C10N2020/02 ,  C10N2030/02 ,  C10N2040/30

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：US11485926B2

公开(公告)日：2022-11-01

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: C10M137/10 ,  C10M137/08 ,  C10M107/32 ,  C10M169/04 ,  C10N30/06 ,  C10N40/30 ,  C10N70/00

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：US11384309B2

公开(公告)日：2022-07-12

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 ,  C09K5/04 ,  C10M105/34 ,  C10M105/38 ,  C10M169/04 ,  C10N20/00 ,  C10N30/02 ,  C10N30/06 ,  C10N40/30

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：US12258531B2

公开(公告)日：2025-03-25

申请号：US18013418

申请日：2021-07-07

Applicant: ENEOS CORPORATION

Inventor： Tatsuki Nakajima ,  Shogo Hashimoto ,  Hidetoshi Ogata ,  Yuma Seki

IPC: C10M129/76 ,  C09K5/04 ,  C10M169/04 ,  C10N40/30

Abstract: One aspect of the present invention is a refrigerating machine oil containing: a base oil; and a partial ester of a carboxylic acid and a polyhydric alcohol, wherein the carboxylic acid contains an unsaturated carboxylic acid.

公开(公告)号：US12091629B2

公开(公告)日：2024-09-17

申请号：US17915262

申请日：2021-03-12

Applicant: ENEOS CORPORATION

Inventor： Satoshi Nagai ,  Tatsuki Nakajima ,  Yuya Mizutani ,  Hidetoshi Ogata

IPC: C10M105/38 ,  C09K5/04 ,  C10N30/10 ,  C10N40/30

CPC classification number: C10M105/38 ,  C09K5/045 ,  C10M2207/042 ,  C10N2030/10 ,  C10N2040/30

Abstract: An aspect of the present invention provides a refrigerating machine oil containing an ester-based base oil, at least one epoxy compound selected from an alkyl glycidyl ether and an aryl glycidyl ether, and a phenol-based antioxidant, wherein a content of the epoxy compound is 0.7% by mass or more based on a total amount of the refrigerating machine oil, and the refrigerating machine oil is used with a refrigerant containing trifluoroiodomethane.

公开(公告)号：US11326118B2

公开(公告)日：2022-05-10

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 ,  C08J7/06 ,  C10M101/02 ,  C10N20/02

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：US12091606B2

公开(公告)日：2024-09-17

申请号：US17623424

申请日：2020-06-17

Applicant: ENEOS Corporation

Inventor： Satoshi Nagai ,  Tatsuki Nakajima ,  Yuya Mizutani ,  Hidetoshi Ogata

IPC: C09K5/04 ,  C10M107/32 ,  C10M129/10 ,  C10M129/18 ,  C10M129/40 ,  C10M169/04 ,  C10N30/10 ,  C10N40/30

CPC classification number: C09K5/044 ,  C10M107/32 ,  C10M129/10 ,  C10M129/18 ,  C10M129/40 ,  C10M169/04 ,  C09K2205/10 ,  C10M2207/023 ,  C10M2207/042 ,  C10M2207/126 ,  C10M2209/1023 ,  C10M2215/064 ,  C10N2030/10 ,  C10N2040/30

Abstract: A working fluid composition for a refrigerating machine, containing: a refrigerant containing trifluoroiodometbane; and a refrigerating machine oil containing a polyol ester and a hindered phenol compound, wherein a content of the hindered phenol compound is 0.6 to 10% by mass based on a total amount of the refrigerating machine oil.

公开(公告)号：US11702608B2

公开(公告)日：2023-07-18

申请号：US17258310

申请日：2019-07-30

Applicant: ENEOS Corporation

Inventor： Yuji Shitara ,  Yohei Shono ,  Hidetoshi Ogata ,  Kazushi Kodama ,  Hiroshi Matsuura ,  Satoshi Masuyama

IPC: C10M105/32 ,  C10M103/02 ,  C10M171/02 ,  C10M171/06

CPC classification number: C10M105/32 ,  C10M103/02 ,  C10M171/02 ,  C10M171/06 ,  C10M2201/0413 ,  C10M2201/0613

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 an ester as a lubricating base oil.

公开(公告)号：US11549077B2

公开(公告)日：2023-01-10

申请号：US16967250

申请日：2019-02-06

Applicant: ENEOS Corporation

Inventor： Yohei Shono ,  Fumiyuki Nara ,  Takeshi Okido ,  Hidetoshi Ogata

IPC: C10M137/04 ,  C10M137/10 ,  C09K5/04 ,  C10M169/04 ,  F25B31/00 ,  C10N30/00 ,  C10N30/02 ,  C10N30/06 ,  C10N40/30

Abstract: 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：US11453839B2

公开(公告)日：2022-09-27

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 ,  C10M105/42 ,  C10M129/18 ,  C10M137/02 ,  C10N20/00 ,  C10N40/30

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.