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US12227712B2 Refrigerating machine oil, working fluid composition for refrigerating machine, lubricating method, and method for producing refrigerating machine oil 有权

  • Patent Title: Refrigerating machine oil, working fluid composition for refrigerating machine, lubricating method, and method for producing refrigerating machine oil
  • Application No.: US17776400
    Application Date: 2020-11-13
  • Publication No.: US12227712B2
    Publication Date: 2025-02-18
  • Inventor: Yohei Shono , Fumiyuki Nara
  • 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: JP2019-208869 20191119
  • International Application: PCT/JP2020/042508 WO 20201113
  • International Announcement: WO2021/100634 WO 20210527
  • Main IPC: C10M101/00
  • IPC: C10M101/00 ;  C10M129/56
Refrigerating machine oil, working fluid composition for refrigerating machine, lubricating method, and method for producing refrigerating machine oil
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.
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