Invention Grant
- Patent Title: Lubricating oil composition for shock absorber
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Application No.: US16630592Application Date: 2018-11-07
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Publication No.: US11279898B2Publication Date: 2022-03-22
- Inventor: Shuichi Sakanoue , Tatsuya Hamachi
- Applicant: Idemitsu Kosan Co., Ltd.
- Applicant Address: JP Chiyoda-ku
- Assignee: Idemitsu Kosan Co., Ltd.
- Current Assignee: Idemitsu Kosan Co., Ltd.
- Current Assignee Address: JP Chiyoda-ku
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JPJP2017-218798 20171114
- International Application: PCT/JP2018/041267 WO 20181107
- International Announcement: WO2019/098098 WO 20190523
- Main IPC: C10M141/10
- IPC: C10M141/10 ; C10M101/02 ; C10M127/04 ; C10M137/02 ; C10M169/04 ; C10N30/02 ; C10N30/10 ; C10N30/12
Abstract:
Provided is a lubricating oil composition for a shock absorber, the lubricating oil composition being capable of emitting fluorescence by ultraviolet irradiation while ensuring thermal stability and abrasion resistance. This lubricating oil composition for a shock absorber contains, as components: (A) a base oil; (B) a hydrocarbon compound having a stilbene structure; and (C) a phosphite ester.
Public/Granted literature
- US20200172824A1 LUBRICATING OIL COMPOSITION FOR SHOCK ABSORBER Public/Granted day:2020-06-04
Information query
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