Title:
LUBRICATING OIL COMPOSITION, METHOD FOR USING LUBRICATING OIL COMPOSITION, AND METHOD FOR PRODUCING LUBRICATING OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2023/190361
Kind Code:
A1
Abstract:
This lubricating oil composition comprises: a base oil (A); and at least one polyoxyalkylene glycol compound (B) selected from the group consisting a polyoxyalkylene glycol compound (B1), and a polyoxyalkylene glycol compound (B2). The number-average molecular weight and EO unit content of each of the polyoxyalkylene glycol compound (B1) and the polyoxyalkylene glycol compound (B2) are adjusted to specific ranges.
Inventors:
YOSHIDA KOHEI (JP)
NAKAJIMA SO (JP)
NAKAJIMA SO (JP)
Application Number:
PCT/JP2023/012239
Publication Date:
October 05, 2023
Filing Date:
March 27, 2023
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C10M169/04; C10M145/30; C10M145/34; C10M149/12; C10N30/00; C10N40/02; C10N40/04; C10N40/08
Foreign References:
| JPH08170088A | 1996-07-02 | |||
| JP2016089043A | 2016-05-23 | |||
| JP2020186386A | 2020-11-19 | |||
| JP2010265397A | 2010-11-25 | |||
| JP2016089103A | 2016-05-23 | |||
| JP2016132722A | 2016-07-25 | |||
| JPS5051104A | 1975-05-07 | |||
| JPS56139591A | 1981-10-31 |
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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