Invention Grant
- Patent Title: Lubricating oil composition
- Patent Title (中): 润滑油组成
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Application No.: US11956151Application Date: 2007-12-13
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Publication No.: US07960319B2Publication Date: 2011-06-14
- Inventor: Hiroyuki Nagamatsu
- Applicant: Hiroyuki Nagamatsu
- Applicant Address: JP Tokyo
- Assignee: Chevron Japan Ltd.
- Current Assignee: Chevron Japan Ltd.
- Current Assignee Address: JP Tokyo
- Priority: JP2007-000690 20070105
- Main IPC: C10M159/20
- IPC: C10M159/20 ; C10M141/12
Abstract:
A lubricating oil composition favorably employable for trunk piston diesel engines contains an overbased sulfurized alkylphenol calcium salt, at least two (preferably three) overbased alkylsalicylic acid calcium salts having different base ratios and hydrocarbyl groups of different carbon atom numbers, a borated ashless dispersant, and a zinc dihydrocarbyldithiophosphate.
Public/Granted literature
- US20080167207A1 LUBRICATING OIL COMPOSITION Public/Granted day:2008-07-10
Information query
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