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    LUBRICANT COMPOSITION
    1.
    发明公开
    LUBRICANT COMPOSITION 审中-公开

    公开(公告)号：US20240199972A1

    公开(公告)日：2024-06-20

    申请号：US18552839

    申请日：2022-03-17

    申请人： IDEMITSU KOSAN CO.,LTD.

    发明人： Kenji SUNAHARA ,  Shoichiro FUJITA ,  Masaya KUBOTA

    IPC分类号： C10M157/10 ,  C10M135/18 ,  C10M159/18 ,  C10M163/00 ,  C10N40/25

    CPC分类号： C10M157/10 ,  C10M135/18 ,  C10M159/18 ,  C10M163/00 ,  C10M2219/068 ,  C10M2227/066 ,  C10N2040/25

    摘要： An object of the present invention is to provide a lubricating oil composition which, even while exhibiting an excellent friction reducing effect by combining plural types of molybdenum-based friction modifiers, has excellent high-temperature detergency, oxidation stability and copper corrosion resistance. The object has been achieved by a lubricating oil composition containing a base oil (A), a molybdenum-based friction modifier (B), a metal-based detergent (C), and an ash-free dispersant (D), wherein the molybdenum-based friction modifier (B) contains two or more selected from the group consisting of a binuclear molybdenum dithiocarbamate (B1), a trinuclear molybdenum dithiocarbamate (B2), and a molybdenum-amine complex (B3); the metal-based detergent (C) contains a sulfur atom; the ash-free dispersant (D) contains a nitrogen atom; the acid value derived from the binuclear molybdenum dithiocarbamate (B1) and the trinuclear molybdenum dithiocarbamate (B2) is less than 0.04 mgKOH/g; the content ratio of a sulfur content (CS) derived from the metal-based detergent (C) to a nitrogen content (DN) derived from the ash-free dispersant (D), [(CS)/(DN)] is 0.30 to 0.85 in terms of the mass ratio; and the phosphorus content based on the total amount of the lubricating oil composition is more than 0.04% by mass and less than 0.10% by mass.

    LUBRICATING OIL COMPOSITIONS
    5.
    发明申请
    LUBRICATING OIL COMPOSITIONS 审中-公开

    公开(公告)号：US20190390133A1

    公开(公告)日：2019-12-26

    申请号：US16443997

    申请日：2019-06-18

    申请人： Chevron Oronite Company LLC

    发明人： Claire Chommeloux ,  Alexander Boffa

    IPC分类号： C10M159/18 ,  C10M159/20

    摘要： Disclosed is a lubricating oil composition which comprises: (a) a major amount of an oil of lubricating viscosity having a kinematic viscosity at 100° C. in a range of about 2 to about 50 mm2/s, (b) an overbased metal salt of an alkyl-substituted phenate detergent, wherein the alkyl group is derived from an isomerized normal alpha olefin having from about 10 to about 40 carbon atoms per molecule and having an isomerization level (I) of the normal alpha olefin of from about 0.1 to about 0.4 in an amount to provide at least 1000 ppm of calcium, (c) one or more magnesium-containing detergents having about 100 to about 1000 ppm of magnesium, based on the total weight of the lubricating oil composition, and (d) one or more zinc dialkyl dithiophosphate compounds derived from a primary alcohol.

    Method for improving fluorocarbon elastomer seal compatibility
    7.
    发明授权
    Method for improving fluorocarbon elastomer seal compatibility 有权
    改善氟碳弹性体密封相容性的方法

    公开(公告)号：US08716202B2

    公开(公告)日：2014-05-06

    申请号：US12928534

    申请日：2010-12-14

    申请人： Elaine S. Yamaguchi ,  Man Hon Tsang

    发明人： Elaine S. Yamaguchi ,  Man Hon Tsang

    IPC分类号： C10M159/18

    CPC分类号： C10M159/18 ,  C10M139/00 ,  C10M167/00 ,  C10M169/00 ,  C10M2207/028 ,  C10M2215/066 ,  C10M2215/086 ,  C10M2217/043 ,  C10M2219/046 ,  C10M2223/045 ,  C10M2227/065 ,  C10M2227/09 ,  C10N2230/36 ,  C10N2240/10 ,  C10N2260/00 ,  C10N2260/14 ,  C10N2210/04

    摘要： Disclosed is a method for improving compatibility of a fluorocarbon elastomer seal with a lubricating oil composition containing (a) a major amount of a base oil of lubricating viscosity; and (b) one or more dispersants containing one or more basic nitrogen atoms. The method involves adding to the lubricating oil composition an effective amount of one or more fluorocarbon elastomer compatibility improving agents comprising one or more non-halogen-containing oil-soluble titanium complexes comprising at least one ligand selected from the group consisting of (i) an anion of a saturated carboxylic acid, (ii) an anion of an α-, β- or γ-hydroxycarbonyl compound; (iii) an anion of an α-, β- or γ-hydroxycarboxylic acid, amide, or ester; (iv) an anion of an α-, β- or γ-aminocarboxylic acid; and (v) an anion of an α-, β- or γ-keto acid.

    摘要翻译： 公开了一种改善氟碳弹性体密封件与含有（a）大量润滑粘度的基础油的润滑油组合物的相容性的方法， 和（b）一种或多种含有一个或多个碱性氮原子的分散剂。 该方法包括向润滑油组合物中加入有效量的一种或多种含氟烃弹性体相容性改进剂，其包含一种或多种含卤素的可溶于油的钛络合物，所述钛络合物包含至少一种选自以下的配体：（i） 饱和羧酸的阴离子，（ii）α-，β-或γ-羟基羰基化合物的阴离子; （iii）α-，β-或γ-羟基羧酸，酰胺或酯的阴离子; （iv）α-，β-或γ-氨基羧酸的阴离子; 和（v）α-，β-或γ-酮酸的阴离子。