- Patent Title: Refrigerator oil and hydraulic fluid composition for refrigerators
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Application No.: US16967250Application Date: 2019-02-06
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Publication No.: US11549077B2Publication Date: 2023-01-10
- Inventor: Yohei Shono , Fumiyuki Nara , Takeshi Okido , Hidetoshi Ogata
- Applicant: ENEOS Corporation
- Applicant Address: JP Tokyo
- Assignee: ENEOS Corporation
- Current Assignee: ENEOS Corporation
- Current Assignee Address: JP Tokyo
- Agency: Greenblum & Bernstein P.L.C.
- Priority: JPJP2018-019949 20180207
- International Application: PCT/JP2019/004265 WO 20190206
- International Announcement: WO2019/156126 WO 20190815
- Main IPC: C10M137/04
- 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.
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