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    Process for preparing dithioesters
    1.
    发明授权
    Process for preparing dithioesters 有权
    二硫代酯的制备方法

    公开(公告)号：US06841695B2

    公开(公告)日：2005-01-11

    申请号：US10390015

    申请日：2003-03-18

    申请人： Joseph Martin Bollinger ,  Jen-Lung Wang

    发明人： Joseph Martin Bollinger ,  Jen-Lung Wang

    IPC分类号： C07C327/36 ,  C07C327/00

    CPC分类号： C07C327/36

    摘要： The present invention relates to a process for preparing dithioesters in which a dithiocarboxylic acid and/or a dithiocarboxylic salt is reacted with a vinyl compound and/or an alkyl compound which includes a leaving group, the reaction being carried out in a biphasic system in which one of the phases comprises water and the weight ratio of the aqueous phase to the organic phase lies in the range from 95:5 to 5:95.

    摘要翻译： 本发明涉及二硫代羧酸和/或二硫代羧酸盐与乙烯基化合物和/或包含离去基团的烷基化合物反应的二硫代酯的方法，该反应在双相体系中进行，其中 相中的一个包括水，并且水相与有机相的重量比在95:5至5:95的范围内。

    POLYMER USEFUL AS VISCOSITY INDEX IMPROVER
    2.
    发明申请
    POLYMER USEFUL AS VISCOSITY INDEX IMPROVER 有权
    聚合物用作粘度指数改进

    公开(公告)号：US20120302477A1

    公开(公告)日：2012-11-29

    申请号：US13576098

    申请日：2011-02-24

    申请人： Justin August Langston ,  Jen-Lung Wang ,  Peter Moore

    发明人： Justin August Langston ,  Jen-Lung Wang ,  Peter Moore

    IPC分类号： C10M145/14 ,  C08F20/14 ,  C08F20/18

    CPC分类号： C10M145/14 ,  C08F220/18 ,  C10M145/16 ,  C10M2203/1025 ,  C10M2209/084 ,  C10M2209/086 ,  C10N2230/02 ,  C10N2230/68 ,  C10N2240/042 ,  C10N2240/045 ,  C10N2240/046 ,  C10N2270/00 ,  C10N2260/02

    摘要： The present invention describes a polymer useful as viscosity index improver comprising units derived from one or more ethylenically unsaturated ester compounds of formula (I), where R is hydrogen or methyl, R1 means a linear, branched or cyclic alkyl residue with 1-6 carbon atoms, R2 and R3 independently represent hydrogen or a group of the formula —COOR′, where R′ means hydrogen or a alkyl group with 1-6 carbon atoms, units of one or more ethylenically unsaturated ester compounds of formula (II), where R is hydrogen or methyl, R4 means a 2-alkyl branched alkyl residue with 12-18 carbon atoms, R5 and R6 independently are hydrogen or a group of the formula —COOR″, where R″ means hydrogen or an alkyl group with 12-18 carbon atoms, and units of one or more ethylenically unsaturated ester compounds of formula (III), where R is hydrogen or methyl, R7 means a linear alkyl residue with 12-24 carbon atoms, R8 and R9 independently are hydrogen or a group of the formula —COOR″, where R″ means hydrogen or an alkyl group with 12-24 carbon atoms wherein said polymer comprises at least 10% by weight units derived from one or more ethylenically unsaturated ester compounds of formula (I), based on the total weight of the polymer, said polymer comprises at least 10% by weight units derived from one or more ethylenically unsaturated ester compounds of formula (II), based on the total weight of the polymer, and said polymer comprises at least 10% by weight units derived from one or more ethylenically unsaturated ester compounds of formula (III), based on the total weight of the polymer.

    摘要翻译： 本发明描述了可用作粘度指数改进剂的聚合物，其包含衍生自一种或多种式（I）的烯属不饱和酯化合物的单元，其中R是氢或甲基，R 1表示具有1-6个碳原子的直链，支链或环状烷基 原子，R2和R3独立地表示氢或式-COOR'的基团，其中R'表示氢或具有1-6个碳原子的烷基，一个或多个式（II）的烯属不饱和酯化合物的单元，其中 R是氢或甲基，R4表示具有12-18个碳原子的2-烷基支链烷基，R5和R6独立地是氢或式-COOR“的基团，其中R”表示氢或具有12- 18个碳原子和一个或多个式（III）的烯属不饱和酯化合物的单元，其中R是氢或甲基，R7表示具有12-24个碳原子的直链烷基，R8和R9独立地是氢或一个 式-COOR“， 其中R“表示氢或具有12-24个碳原子的烷基，其中所述聚合物包含衍生自一种或多种式（I）的烯属不饱和酯化合物的至少10重量％单元，基于聚合物的总重量， 所述聚合物包含至少10重量％的衍生自一种或多种式（II）的烯属不饱和酯化合物的单元，基于聚合物的总重量，并且所述聚合物包含至少10重量％的衍生自一个或多个 式（III）的烯属不饱和酯化合物，基于聚合物的总重量。

    Polymer useful as viscosity index improver
    4.
    发明授权
    Polymer useful as viscosity index improver 有权
    聚合物可用作粘度指数改进剂

    公开(公告)号：US09481849B2

    公开(公告)日：2016-11-01

    申请号：US13576098

    申请日：2011-02-24

    申请人： Justin August Langston ,  Jen-Lung Wang ,  Peter Moore

    发明人： Justin August Langston ,  Jen-Lung Wang ,  Peter Moore

    IPC分类号： C10M145/14 ,  C08F222/10 ,  C08F220/10 ,  C08F220/18 ,  C10M145/16

    CPC分类号： C10M145/14 ,  C08F220/18 ,  C10M145/16 ,  C10M2203/1025 ,  C10M2209/084 ,  C10M2209/086 ,  C10N2230/02 ,  C10N2230/68 ,  C10N2240/042 ,  C10N2240/045 ,  C10N2240/046 ,  C10N2270/00 ,  C10N2260/02

    摘要： The present invention describes a polymer useful as viscosity index improver comprising units derived from one or more ethylenically unsaturated ester compounds of formula (I), where R is hydrogen or methyl, R1 means a linear, branched or cyclic alkyl residue with 1-6 carbon atoms, R2 and R3 independently represent hydrogen or a group of the formula —COOR′, where R′ means hydrogen or a alkyl group with 1-6 carbon atoms, units of one or more ethylenically unsaturated ester compounds of formula (II), where R is hydrogen or methyl, R4 means a 2-alkyl branched alkyl residue with 12-18 carbon atoms, R5 and R6 independently are hydrogen or a group of the formula —COOR″, where R″ means hydrogen or an alkyl group with 12-18 carbon atoms, and units of one or more ethylenically unsaturated ester compounds of formula (III), where R is hydrogen or methyl, R7 means a linear alkyl residue with 12-24 carbon atoms, R8 and R9 independently are hydrogen or a group of the formula —COOR″, where R″ means hydrogen or an alkyl group with 12-24 carbon atoms wherein said polymer comprises at least 10% by weight units derived from one or more ethylenically unsaturated ester compounds of formula (I), based on the total weight of the polymer, said polymer comprises at least 10% by weight units derived from one or more ethylenically unsaturated ester compounds of formula (II), based on the total weight of the polymer, and said polymer comprises at least 10% by weight units derived from one or more ethylenically unsaturated ester compounds of formula (III), based on the total weight of the polymer.