公开(公告)号：US20230365886A1

公开(公告)日：2023-11-16

申请号：US18266948

申请日：2021-12-20

Applicant: ENEOS Corporation

Inventor： Fumiyuki NARA ,  Yohei SHONO ,  Hidetoshi OGATA

IPC: C10M169/04 ,  C10M101/02 ,  C10M137/10 ,  C09K5/04

CPC classification number: C10M169/04 ,  C10M101/02 ,  C10M137/105 ,  C09K5/042 ,  C10M2223/041 ,  C10M2223/047 ,  C10M2203/1025 ,  C10N2040/30

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

公开(公告)号：US20230167377A1

公开(公告)日：2023-06-01

申请号：US17920121

申请日：2021-04-27

Applicant: ENEOS CORPORATION

Inventor： Hidetoshi OGATA ,  Fumiyuki NARA ,  Yohei SHONO

IPC: C10M145/14 ,  C10M169/04 ,  C10M101/02 ,  C09K5/04

CPC classification number: C10M145/14 ,  C10M169/041 ,  C10M101/02 ,  C09K5/042 ,  C10M2203/003 ,  C10M2209/084 ,  C10N2040/30

Abstract: 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：US20220106538A1

公开(公告)日：2022-04-07

申请号：US17428439

申请日：2020-02-19

Applicant: ENEOS Corporation

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

IPC: C10M169/04 ,  C10M137/10 ,  C10M137/12 ,  C09K5/04

Abstract: One aspect of the present invention is a refrigerating machine oil comprising a base oil, a dithiophosphoric acid ester, and a phosphonate ester.

公开(公告)号：US20220064562A1

公开(公告)日：2022-03-03

申请号：US17422948

申请日：2020-02-19

Applicant: ENEOS Corporation

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

IPC: C10M169/04 ,  C10M137/10 ,  C10M137/08 ,  C09K5/04

Abstract: One aspect of the present invention is a refrigerating machine oil comprising a base oil, a dithiophosphoric acid ester, and an amine salt of an acidic phosphoric acid ester.

公开(公告)号：US20210269731A1

公开(公告)日：2021-09-02

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

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.