Invention Grant
- Patent Title: Lubricant composition for gasoline engine and method for producing same
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Application No.: US15320954Application Date: 2016-03-24
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Publication No.: US10781395B2Publication Date: 2020-09-22
- Inventor: Kazushi Tamura
- 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: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@31758779
- International Application: PCT/JP2016/059455 WO 20160324
- International Announcement: WO2016/152995 WO 20160929
- Main IPC: C10M169/04
- IPC: C10M169/04 ; C10M159/20 ; C10M165/00 ; C10N10/02 ; C10N10/04 ; C10N30/02 ; C10N30/04 ; C10N30/06 ; C10N30/08 ; C10N30/10 ; C10N30/18 ; C10N30/00 ; C10N40/25 ; C10N60/14
Abstract:
Provided is a lubricating oil composition having excellent detergency and LSPI preventing performance, and specifically a lubricating oil composition including a base oil, a calcium detergent, and a magnesium detergent and/or a sodium detergent, wherein the content of the calcium detergent as converted into a calcium atom and a mass ratio of a magnesium atom (Mg) contained in the magnesium detergent and/or a sodium atom (Na) contained in the sodium detergent to a calcium atom (Ca) [(Mg and/or Na)/Ca] fall within the specific ranges.
Public/Granted literature
- US20170204348A1 LUBRICANT COMPOSITION FOR GASOLINE ENGINE AND METHOD FOR PRODUCING SAME Public/Granted day:2017-07-20
Information query
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