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公开(公告)号：US20210189284A1
公开(公告)日：2021-06-24
申请号：US16761962
申请日：2018-11-07
Inventor： Ayano Shimodate , Hiroyuki Suzuki , Ko Onodera , Kazuo Yamamori , Toyoharu Kaneko
IPC: C10M169/04 , C10M137/10 , C10M135/10 , C10M129/54 , C10M133/44 , C10M139/00 , C10M145/14 , C10M141/12 , C10M161/00
Abstract: A lubricating oil composition is provided, which can reduce friction even when the viscosity is lowered. A lubricating oil composition comprising a lubricating base oil, (A) a cleaning agent containing magnesium, and (B) a zinc dialkyl dithiophosphate, wherein the amount of component (A) is 200 to 1200 ppm by weight of magnesium per total weight of lubricating oil composition; the amount of component (B) is 300 to 1000 ppm by weight phosphorus based on total weight of lubricating oil composition; wherein component (B) comprises (B-1) a zinc dialkyl dithiophosphate having a primary alkyl group, and the proportion of the weight of component (B-1) to the total weight of component (B) is 30 weight % or more; and the concentration of boron [B] is less than 100 ppm by weight.
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公开(公告)号：US20180100112A1
公开(公告)日：2018-04-12
申请号：US15565072
申请日：2016-04-06
Inventor： Takashi Honda , Ko Onodera , Kosuke Fujimoto
IPC: C10M107/02 , C10M105/40
CPC classification number: C10M107/02 , C10M105/04 , C10M105/38 , C10M105/40 , C10M107/10 , C10M171/005 , C10M2203/102 , C10M2205/0206 , C10M2205/0285 , C10M2205/173 , C10M2207/2815 , C10M2207/2825 , C10M2207/2835 , C10M2209/084 , C10N2220/022 , C10N2220/031 , C10N2230/02 , C10N2230/04 , C10N2230/74 , C10N2240/10 , C10N2240/102 , C10N2240/103 , C10N2220/021
Abstract: A lubricant composition improves a performance of reducing a formation of compressor deposit. The lubricant composition also ensures low temperature properties of the lubricant composition. The lubricant composition includes 14 mass % or more of a fraction having a boiling point of 500° C. to 550° C. and 5 mass % or more of a fraction having a boiling point of over 550° C.
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公开(公告)号：US20200181529A1
公开(公告)日：2020-06-11
申请号：US16322141
申请日：2017-08-02
Applicant: ExxonMobil Research and Engineering Company
Inventor： Hiroyuki Suzuki , Ko Onodera , Takashi Honda , Toyoharu Kaneko , Kazuo Yamamori
IPC: C10M169/04 , C10M107/02
Abstract: A lubricant composition contains a lubricant base oil, (A) a detergent containing magnesium, (B) a compound containing boron, and (C) a zinc dialkyl dithiophosphate. The amount of component (A) is in the range of 200 to 1200 mass ppm [Mg] based on the mass of the lubricant composition, and the amount of component (C) is in the range of 300 to 1000 mass ppm [P] based on the mass of the lubricant composition. Component (C) includes a zinc dialkyl dithiophosphate having a primary alkyl group or a secondary alkyl group; the lubricant composition includes zinc dialkyl dithiophosphate having a secondary alkyl group; the mass ratio of the zinc dialkyl dithiophosphate having a primary alkyl group and the zinc dialkyl dithiophosphate having a secondary alkyl group is from 70:30 to 0:100; and the concentration of [B] is from 100 to 300 mass ppm based on the mass of the lubricant composition.
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Patent Agency Ranking
公开(公告)号：US10450528B2
公开(公告)日：2019-10-22
申请号：US15565072
申请日：2016-04-06
Inventor： Takashi Honda , Ko Onodera , Kosuke Fujimoto
IPC: C10M159/04 , C10M107/02 , C10M105/04 , C10M105/40 , C10M171/00 , C10M105/38 , C10M107/10
Abstract: A lubricant composition improves a performance of reducing a formation of compressor deposit. The lubricant composition also ensures low temperature properties of the lubricant composition. The lubricant composition includes 14 mass % or more of a fraction having a boiling point of 500° C. to 550° C. and 5 mass % or more of a fraction having a boiling point of over 550° C.
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公开(公告)号：US20180355272A1
公开(公告)日：2018-12-13
申请号：US16060340
申请日：2016-12-07
Inventor： Ko Onodera , Hiroyuki Suzuki , Toyoharu Kaneko , Kazuo Yamamori
IPC: C10M135/18 , C10M141/12 , C10M159/22 , C10M159/24
CPC classification number: C10M135/18 , C10M141/12 , C10M159/22 , C10M159/24 , C10M169/04 , C10M2207/028 , C10M2219/046 , C10M2219/068 , C10N2210/02 , C10N2210/06 , C10N2230/02 , C10N2230/04 , C10N2230/06 , C10N2240/104
Abstract: Provided is a lubricating oil composition capable of decreasing friction while ensuring anti-wear properties even if it is reduced in viscosity. The lubricating oil composition comprises a lubricant base oil, (A) a magnesium-based detergent, and (B) a molybdenum-based friction modifier, wherein the amount of component (A) is in the range of 200 to 1200 mass ppm in terms of a concentration in mass ppm of magnesium [Mg] in the lubricating oil composition, and the amount of component (B) is in the range of 500 to 1500 mass ppm in terms of a concentration in mass ppm of molybdenum [Mo] in the lubricating oil composition.
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公开(公告)号：US10947475B2
公开(公告)日：2021-03-16
申请号：US15115766
申请日：2014-11-20
Inventor： Ko Onodera , Shuzo Nemoto , Tomohiro Kato , Kosuke Fujimoto , Minoru Yamashita
IPC: C10M141/12 , C10N10/04 , C10N10/12 , C10N20/02 , C10N20/04 , C10N30/04 , C10N30/12 , C10N30/00 , C10N40/25
Abstract: A lubricating oil composition which can reduce the occurrence frequency of LSPI and which can ensure detergency. The lubricating oil composition which includes a lubricant base oil, a compound having calcium and/or magnesium, a compound having molybdenum and/or phosphorus, and an ashless dispersant having nitrogen and which satisfies X≤−0.85 and Y≥0.18 (wherein X is calculated according to formula (1): X=([Ca]+0.5[Mg])×8−[Mo]×8−[P]×30 and Y is calculated according to formula (2): Y=[Ca]+1.65[Mg]+[N]). The lubricating oil composition for use in an internal combustion engine, more particularly, a lubricating oil composition for use in a supercharged gasoline engine.
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公开(公告)号：US20190390131A1
公开(公告)日：2019-12-26
申请号：US16481532
申请日：2018-02-01
Inventor： Honami Watanabe , Ko Onodera , Takehisa Sato , Kazuo Yamamori , Toyoharu Kaneko , Kazuyoshi Manabe
IPC: C10M141/10 , C10M133/04 , C10M133/16 , C10M137/06 , C10M137/10 , C10M169/04
Abstract: A lubricant composition which, in a sliding member, is interposed between a DLC-coated surface and another metal member, in particular, a steel material, the lubricant composition having good wear resistance as well as having a better friction reducing effect than conventional molybdenum friction modifier-containing lubricant compositions. The lubricant composition is characterized by containing a lubricating base oil, (A) molybdenum dialkyl dithiophosphate, and (B) zinc dialkyl dithiophosphate, wherein the amount of phosphorus with respect to the total mass of the lubricant composition is 300-1500 mass ppm.
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公开(公告)号：US20190169520A1
公开(公告)日：2019-06-06
申请号：US16320811
申请日：2017-07-28
Inventor： Ko Onodera , Hiroyuki Suzuki , Toyoharu Kaneko , Kazuo Yamamori
IPC: C10M129/54 , C10M125/22
Abstract: A lubricant composition which is capable of reducing friction, while ensuring anti-wear properties even if the viscosity thereof is decreased. A lubricant composition which contains a lubricant base oil, (A1) a metal salicylate and (B) a molybdenum-based friction regulator, and which is characterized in that: the amount of the component (B) is 500 to 1,500 ppm by mass in terms of the molybdenum concentration [B] in the lubricant composition; the component (A1) is calcium salicylate, magnesium salicylate or a combination thereof; the calcium concentration [Ca] based on the calcium salicylate in the lubricant composition is 0 to 1,800 ppm by mass; the magnesium concentration [Mg] based on the magnesium salicylate in the lubricant composition is 0 to 1,800 ppm by mass; and the total of the calcium concentration [Ca] and the magnesium concentration [Mg] is 200 to 3,000 ppm by mass.
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