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：US20230250354A1

公开(公告)日：2023-08-10

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

CPC classification number: C10M129/76 ,  C09K5/045 ,  C10M169/04 ,  C10M2207/281 ,  C09K2205/126 ,  C10N2040/30 ,  C10M2207/289

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：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：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.

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.