Invention Grant
- Patent Title: Lubricating oil composition for internal combustion engine
- Patent Title (中): 内燃机润滑油组成
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Application No.: US13635037Application Date: 2011-05-18
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Publication No.: US08722597B2Publication Date: 2014-05-13
- Inventor: Yukio Tatsumi , Kenji Yamamoto
- Applicant: Yukio Tatsumi , Kenji Yamamoto
- Applicant Address: JP Tokyo
- Assignee: Adeka Corporation
- Current Assignee: Adeka Corporation
- Current Assignee Address: JP Tokyo
- Agency: Wenderoth, Lind & Ponack, L.L.P.
- Priority: JP2010-136278 20100615
- International Application: PCT/JP2011/061413 WO 20110518
- International Announcement: WO2011/158595 WO 20111222
- Main IPC: C10M137/10
- IPC: C10M137/10 ; C07F9/02 ; C07F9/06 ; C07F9/09

Abstract:
Provided is a lubricating oil composition for an internal combustion engine, including as essential components the following component (A), component (B), and component (C), in which a phosphorus content of the composition is 50 ppm by mass to 1,000 ppm by mass: Component (A): a base oil; Component (B): a compound represented by the following general formula (1); and Component (C): a metal-containing antioxidant: where R1 to R8 each independently represent a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, Z represents a hydrocarbon group having 2 to 20 carbon atoms, and n represents a number of 1 to 10.
Public/Granted literature
- US20130012418A1 LUBRICATING OIL COMPOSITION FOR INTERNAL COMBUSTION ENGINE Public/Granted day:2013-01-10
Information query
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