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    LUBRICATING-OIL COMPOSITION
    4.
    发明申请
    LUBRICATING-OIL COMPOSITION 审中-公开
    润滑油组合物

    公开(公告)号：US20160024416A1

    公开(公告)日：2016-01-28

    申请号：US14773473

    申请日：2014-03-07

    Applicant: IDEMITSU KOSAN CO., LTD.

    Inventor： Hideki KAMANO

    IPC: C10M141/12

    CPC classification number: C10M141/12 ,  C10M141/08 ,  C10M2203/1006 ,  C10M2203/1025 ,  C10M2207/026 ,  C10M2207/289 ,  C10M2209/084 ,  C10M2215/064 ,  C10M2215/223 ,  C10M2215/28 ,  C10M2219/068 ,  C10M2223/045 ,  C10M2227/066 ,  C10N2210/06 ,  C10N2230/06 ,  C10N2230/08 ,  C10N2230/42 ,  C10N2230/45 ,  C10N2230/54 ,  C10N2240/10 ,  C10N2260/14 ,  C10N2220/022

    Abstract: The lubricating oil composition of the present invention comprises a base oil that contains at least one selected from the group consisting of a mineral oil and a synthetic oil, has a viscosity index of 120 or more, and has a paraffin content by ring analysis of 70% or more; a dispersant (A) containing one or more compounds selected from the group consisting of an alkenylsuccinimide, a boronated alkenylsuccinimide, an alkylsuccinimide and a boronated alkylsuccinimide; and a molybdenum dithiocarbamate (B); wherein the component (A) is contained in an amount of from 0.01% by mass to 0.10% by mass in terms of the nitrogen content thereof based on the total amount of the composition, one or more compounds selected from the group consisting of a boronated alkenylsuccinimide and a boronated alkylsuccinimide in the component (A) are contained in an amount of from 0.05% by mass to 3.5% by mass based on the total amount of the composition, the phosphorus content is from 100 ppm by mass to 1200 ppm by mass, the sulfated ash content is 1.2% by mass or less, and the molybdenum content is from 300 ppm by mass to 1000 ppm by mass. Accordingly, even when used in automobile internal combustion engines capable of increasing the thermal and mechanical durability temperature thereof more than before and capable of realizing power increase and fuel efficiency, the lubricating oil composition can prevent engine performance degradation and therefore can satisfy both the requirements of engine performance and engine durability.

    Abstract translation: 本发明的润滑油组合物包含含有选自矿物油和合成油中的至少一种的基油，其粘度指数为120以上，通过环状分析得到的石蜡含量为70 ％ 或者更多; 含有一种或多种选自烯基琥珀酰亚胺，硼化烯基琥珀酰亚胺，烷基琥珀酰亚胺和硼化烷基琥珀酰亚胺的化合物的分散剂（A） 和二硫代氨基甲酸钼（B）; 其中组分（A）的含量相对于组合物的总量为0.01质量％至0.10质量％，一种或多种选自硼化物的化合物 组分（A）中的链烯基琥珀酰亚胺和硼化烷基琥珀酰亚胺的含量相对于组合物的总量为0.05质量％至3.5质量％，磷含量为100质量ppm至1200质量ppm ，硫酸化灰分为1.2质量％以下，钼含量为300质量ppm以上1000质量ppm以下。 因此，即使在能够提高其以往的热机械耐久性温度的汽车内燃机中，能够实现功率增加和燃料效率的情况下，也能够防止发动机性能下降，因此能够满足 发动机性能和发动机耐久性。

    FRICTION ADJUSTING AGENT AND LUBRICATING OIL COMPOSITION
    6.
    发明申请
    FRICTION ADJUSTING AGENT AND LUBRICATING OIL COMPOSITION 有权

    公开(公告)号：US20210095221A1

    公开(公告)日：2021-04-01

    申请号：US16625997

    申请日：2018-04-12

    Applicant: Idemitsu Kosan Co.,Ltd.

    Inventor： Kazushige MATSUBARA ,  Hiroaki KOSHIMA ,  Toshiaki IWAI ,  Hideki KAMANO

    IPC: C10M133/44 ,  C10M169/04 ,  C07D207/40

    Abstract: The present invention provides a compound represented by formula (1) (in formula (1), R1 and R2 each independently represent a group represented by formula (2) or NHR0 (where R1 and R2 are not simultaneously NHR0), R0 represents any one of hydrogen, an alkyl group having 1-20 carbon atoms, an alkenyl group having 2-30 carbon atoms, an aryl group having 6-30 carbon atoms, an alkylaryl group having 7-30 carbon atoms, and an arylalkyl group having 7-30 carbon atoms, each R3 independently represents hydrogen or a hydrocarbon group having 1-30 carbon atoms, l represents an integer of 0-4, m represents an integer of 1-4 (where m is an integer of 2-4 in the case where R1 and R2 are a group represented by formula (2)), and each n independently represents an integer of 0-4, and, in formula (2), R4 represents a hydrocarbon group having 6-24 carbon atoms, and X1 and X2 each independently represent an oxygen atom or a sulfur atom).

    LUBRICATING OIL COMPOSITION FOR SPARK-IGNITION INTERNAL COMBUSTION ENGINE
    7.
    发明申请
    LUBRICATING OIL COMPOSITION FOR SPARK-IGNITION INTERNAL COMBUSTION ENGINE 审中-公开
    用于火花点火内燃机的润滑油组合物

    公开(公告)号：US20160304802A1

    公开(公告)日：2016-10-20

    申请号：US15038662

    申请日：2014-11-25

    Applicant: IDEMITSU KOSAN CO., LTD.

    Inventor： Kazushi TAMURA ,  Toshimasa UTAKA ,  Hideki KAMANO ,  Akira IIJIMA

    IPC: C10M169/04

    CPC classification number: C10M169/04 ,  C10M163/00 ,  C10M2203/022 ,  C10M2207/026 ,  C10M2207/027 ,  C10M2207/262 ,  C10M2209/084 ,  C10M2215/064 ,  C10M2215/28 ,  C10M2219/068 ,  C10M2223/045 ,  C10M2229/02 ,  C10N2210/01 ,  C10N2210/02 ,  C10N2210/06 ,  C10N2220/022 ,  C10N2230/00 ,  C10N2230/02 ,  C10N2230/52 ,  C10N2230/74 ,  C10N2240/104

    Abstract: The lubricating oil composition for spark-ignition internal combustion engine according to the present invention is a lubricating oil composition to be used for a spark-ignition internal combustion engine including a piston having a piston ring, in which a total tension per piston of tensions applied to the piston ring is 30 N or less, the lubricating oil composition being a lubricating oil composition comprising a base oil, (A) an organic metal-based additive containing an alkali metal and/or an alkaline earth metal, and (B) an organic zinc-based additive, wherein a concentration of the component (A) on a basis of the total amount of the lubricating oil composition is 0.15% by mass or less as converted into a metal content; a concentration of the component (B) on a basis of the total amount of the lubricating oil composition is 0.15% by mass or less as converted into a zinc content; the product of the concentration (% by mass) of the component (A) and a base number (mgKOH/g) of the lubricating oil composition is 1.3 or less; the product of the concentration (% by mass) of the component (B) and an acid number (mgKOH/g) of the lubricating oil composition is 1.2 or less; and the lubricating oil composition has a Noack evaporation loss of 10% by mass or more and a kinematic viscosity at 100° C. of 9.3 mm2/s or less. The lubricating oil composition for spark-ignition internal combustion engine according to the present invention is capable of preventing a deterioration of the combustion state of a spark-ignition internal combustion engine.

    Abstract translation: 本发明的火花点火式内燃机润滑油组合物是一种用于火花点火式内燃机的润滑油组合物，其包括具有活塞环的活塞，其中每个活塞的总张力施加在其上 活塞环为30N以下，润滑油组合物为含有基油的润滑油组合物，（A）含有碱金属和/或碱土金属的有机金属类添加剂，（B） 有机锌系添加剂，其中，基于所述润滑油组合物的总量，所述成分（A）的浓度为0.15质量％以下。 基于润滑油组合物的总量，组分（B）的浓度为0.15质量％以下，转化为锌含量; 组分（A）的浓度（质量％）和润滑油组合物的碱值（mgKOH / g）的乘积为1.3以下; 组分（B）的浓度（质量％）和润滑油组合物的酸值（mgKOH / g）的乘积为1.2以下; 润滑油组合物的Noack蒸发损失为10质量％以上，100℃下的运动粘度为9.3mm 2 / s以下。 根据本发明的用于火花点火内燃机的润滑油组合物能够防止火花点火式内燃机的燃烧状态的劣化。

    LUBRICATING-OIL COMPOSITION
    8.
    发明申请
    LUBRICATING-OIL COMPOSITION 审中-公开

    公开(公告)号：US20160024417A1

    公开(公告)日：2016-01-28

    申请号：US14773609

    申请日：2014-03-07

    Applicant: IDEMITSU KOSAN CO., LTD.

    Inventor： Hideki KAMANO

    IPC: C10M141/12

    CPC classification number: C10M141/12 ,  C10M163/00 ,  C10M2203/1006 ,  C10M2203/1025 ,  C10M2207/026 ,  C10M2207/028 ,  C10M2207/262 ,  C10M2207/289 ,  C10M2209/084 ,  C10M2215/064 ,  C10M2215/223 ,  C10M2215/28 ,  C10M2219/044 ,  C10M2219/046 ,  C10M2223/045 ,  C10M2227/066 ,  C10N2210/01 ,  C10N2210/02 ,  C10N2220/022 ,  C10N2230/06 ,  C10N2230/08 ,  C10N2230/10 ,  C10N2230/42 ,  C10N2230/43 ,  C10N2230/45 ,  C10N2230/54 ,  C10N2230/74 ,  C10N2240/10 ,  C10N2260/14

    Abstract: The lubricating oil composition of the present invention comprises a base oil that contains at least one selected from the group consisting of a mineral oil and a synthetic oil, has a viscosity index of 120 or more, and has a paraffin content by ring analysis of 70% or more; (A) a dispersant containing one or more compounds selected from the group consisting of an alkenylsuccinimide, a boronated alkenylsuccinimide, an alkylsuccinimide and a boronated alkylsuccinimide; and (B) a metallic detergent containing one or more compounds selected from the group consisting of an alkali metal sulfonate, an alkali metal phenate, an alkali metal salicylate, an alkaline earth metal sulfonate, an alkaline earth metal phenate, and an alkaline earth metal salicylate; wherein the component (A) is contained in an amount of from 0.01% by mass to 0.10% by mass in terms of the nitrogen content thereof based on the total amount of the composition, the component (B) is contained in an amount of from 0.01% by mass to 0.3% by mass in terms of the metal content thereof based on the total amount of the composition, at least one or more compounds selected from the group consisting of a boronated alkenylsuccinimide and a boronated alkylsuccinimide in the component (A) are contained, the ratio by mass of boron to nitrogen B/N in the component (A) is 0.5 or more, the phosphorus content based on the total amount of the composition is from 100 ppm by mass to 1200 ppm by mass, and the sulfated ash content based on the total amount of the composition is 1.1% by mass or less. Accordingly, even when used in automobile internal combustion engines capable of increasing the thermal and mechanical durability temperature thereof more than before and capable of realizing power increase and fuel efficiency, the lubricating oil composition can prevent engine performance degradation and therefore can satisfy both the requirements of engine performance and engine durability.

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