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    Additives for lubricating oils containing styrene and heavy C.sub.12 -C.sub .
    41.
    发明授权
    Additives for lubricating oils containing styrene and heavy C.sub.12 -C.sub . 失效
    含苯乙烯和重质甲基丙烯酸C 12 -C 20烷基酯的润滑油添加剂，制备方法和用途

    公开(公告)号：US4496691A

    公开(公告)日：1985-01-29

    申请号：US338001

    申请日：1982-01-08

    申请人： Yves Proux ,  Alain Perron

    发明人： Yves Proux ,  Alain Perron

    IPC分类号： C10M149/10 ,  C08F220/18 ,  C10M145/14 ,  C10M149/02 ,  C10N20/04 ,  C10N30/00 ,  C10N30/02 ,  C10N40/25 ,  C10N60/02 ,  C08L39/04 ,  C08L51/00

    CPC分类号： C10M145/14 ,  C08F220/18 ,  C10M149/02 ,  C10M2209/084 ,  C10M2217/023 ,  C10M2217/028 ,  C10M2217/06

    摘要： The present invention relates to additives for lubricating oils, constituted by a copolymer prepared from 35-55%, and preferably 40-50%, of substituted or non-substituted styrene monomers, and from 65-45%, and preferably 60-50% of heavy C.sub.12 -C.sub.20 alkyl esters of methacrylic acid, of which at least 80% consist of C.sub.16 -C.sub.20 alkylmethacrylates, said copolymer having a polydispersity which is as low as possible, a parameter of solubility close to that of the oil for which the additives are intended and a molecular weight of between 80,000 and 200,000 and being able, moreover, to be modified by a comonomer and vinyl compounds. One application of the invention is the formulation of lubricating oils.

    摘要翻译： 本发明涉及由35-55％，优选40-50％的取代或未取代的苯乙烯单体制备的共聚物和65-45％，优选60-50％ 的甲基丙烯酸的重质C 12 -C 20烷基酯，其至少80％由C 16 -C 20烷基甲基丙烯酸酯组成，所述共聚物具有尽可能低的多分散性，溶解度参数接近添加剂的油的溶解度参数 是分子量在80,000和200,000之间，并且还可以被共聚单体和乙烯基化合物改性。 本发明的一个应用是制备润滑油。

    POLYMERIC SURFACTANT COMPOUND
    47.
    发明申请
    POLYMERIC SURFACTANT COMPOUND 有权

    公开(公告)号：US20230036692A1

    公开(公告)日：2023-02-02

    申请号：US17786784

    申请日：2020-12-17

    申请人： The Lubrizol Corporation

    发明人： James D. Burrington ,  James S. Puckace ,  Alexander Sammut ,  Greg Garwood

    IPC分类号： C10M149/02 ,  C10M169/04

    摘要： The instant disclosure relates to a lubricant composition having an oil of lubricating viscosity, a polymeric surfactant compound that is an acylated polymer having a number average molecular weight of about 500 to about 50,000 where the polymer comprises a branched olefin having from 8 to 30 carbon atoms. The acylated polymer can further be reacted with an amine or alcohol to form an amide, imide, ester or combinations thereof. The present disclosure further relates to lubricant compositions that exhibit good dispersancy and viscometric performance.

    FUNCTIONALIZED OLEFIN OLIGOMERS
    48.
    发明申请
    FUNCTIONALIZED OLEFIN OLIGOMERS 有权

    公开(公告)号：US20220380658A1

    公开(公告)日：2022-12-01

    申请号：US17772586

    申请日：2020-08-31

    申请人： CHEVRON ORONITE COMPANY LLC

    发明人： Curtis B. CAMPBELL ,  Andrew R. GIBBS ,  Andrew M. THOMAS

    IPC分类号： C09K8/584 ,  C10M145/02 ,  C10M149/02

    摘要： The present disclosure provides a method of treating a hydrocarbon-containing reservoir. The method involves introducing into the reservoir a surfactant composition. The surfactant composition includes an alpha olefin sulfonate or an isomerized olefin sulfonate. The alpha olefin sulfonate or the isomerized olefin sulfonate is synthesized by i) oligomerizing a monomer comprising a C3 to C6 mono-olefin to form an oligomerization product and ii) sulfonating the oligomerization product.