Dispersants and lubricating oil compositions containing same
    3.
    发明授权
    Dispersants and lubricating oil compositions containing same 有权
    分散剂和含有它们的润滑油组合物

    公开(公告)号:US06734148B2

    公开(公告)日:2004-05-11

    申请号:US10008628

    申请日:2001-12-06

    Abstract: A boron-containing dispersant composition containing one or more dispersants that are the reaction product of a polyalkenyl-substituted mono- or dicarboxylic acid, anhydride or ester; and a polyamine, in which at least one of the dispersants has a polyalkenyl moiety with a number average molecular weight of at least about 1800, and from greater than about 1.3 to about 1.7 mono- or di-carboxylic acid producing moieties per polyalkenyl moiety; and in which a ratio of wt. % of boron to wt. % of nitrogen (B/N) for the dispersant composition is from about 0.05 to about 0.24.

    Abstract translation: 含有一种或多种分散剂的含硼分散剂组合物,其是聚链烯基取代的单羧酸或二羧酸,酸酐或酯的反应产物; 和多胺,其中至少一种分散剂具有每个多链烯基部分的数均分子量为至少约1800,多于约1.3至约1.7个单羧酸或二羧酸部分的多烯基部分; 并且其中wt。 硼的重量百分比。 用于分散剂组合物的氮的%(B / N)为约0.05至约0.24。

    Detergent additives for lubricating oil compositions
    6.
    发明授权
    Detergent additives for lubricating oil compositions 有权
    润滑油组合物的洗涤剂添加剂

    公开(公告)号:US07851421B2

    公开(公告)日:2010-12-14

    申请号:US11149469

    申请日:2005-06-09

    Abstract: An oil-soluble hydrocarbyl phenol aldehyde condensate having the following structure: wherein n is 0 to 10, preferably 1 to 8, more preferably 2 to 6, and most preferably 3 to 5; Y is a divalent bridging group, and is preferably a hydrocarbyl group, preferably having from 1 to 4 carbon atoms; and R is a hydrocarbyl group having from 4 to 30, preferably 8 to 18, and most preferably 9 to 15 carbon atoms. The oil-soluble hydrocarbyl phenol aldehyde condensate has a weight average molecular weight (Mw) of 1250 to 1680, as measured by MALDI-TOF (Matrix Assisted Laser Desorption Ionization-Time of Flight) mass spectrometry.

    Abstract translation: 具有以下结构的油溶性烃基酚醛缩合物:其中n为0至10,优选1至8,更优选2至6,最优选3至5; Y是二价桥基,优选烃基,优选具有1至4个碳原子; R为具有4-30个,优选8-18个,最优选9-15个碳原子的烃基。 通过MALDI-TOF(Matrix Assisted Laser Desorption Ionization-Time of Flight)质谱法测量,油溶性烃基酚醛缩合物的重均分子量(Mw)为1250至1680。

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