公开(公告)号：US20240301314A1

公开(公告)日：2024-09-12

申请号：US18279123

申请日：2022-01-27

申请人： ENEOS CORPORATION

发明人： Shogo ERYU

IPC分类号： C10M129/54 ,  C10M101/02 ,  C10M145/14 ,  C10M169/04 ,  C10N10/04 ,  C10N10/06 ,  C10N20/00 ,  C10N20/02 ,  C10N30/04 ,  C10N40/25

CPC分类号： C10M129/54 ,  C10M101/02 ,  C10M145/14 ,  C10M169/04 ,  C10M2207/262 ,  C10M2209/084 ,  C10N2010/04 ,  C10N2010/06 ,  C10N2020/02 ,  C10N2020/071 ,  C10N2030/04 ,  C10N2040/25

摘要： A lubricating oil composition for internal combustion engines, including: (A) a lubricating base oil; and (B) a metal-based detergent, wherein the component (B) contains: (B1) a calcium-based detergent in which a content of calcium based on a total mass of the composition is within a specific range; and (B2) a magnesium-based detergent in which a content of magnesium based on the total mass of the composition is within a specific range, the component (B1) contains (B1-1) a calcium-based detergent containing boron and calcium, a content of boron based on the total mass of the composition is 1000 mass ppm or less, a ratio (B(B1)/Ca(B1)) of B(B1) to Ca(B1) is 0.15 or more and 0.35 or less, and a ratio (B(B1)/[Ca(B1)+Mg(B2)]) of B(B1) to a total amount (Ca(B1)+Mg(B2)) of Ca(B1) and Mg(B2) is 0.13 or more and 0.29 or less.

公开(公告)号：US20240199973A1

公开(公告)日：2024-06-20

申请号：US18065878

申请日：2022-12-14

申请人： METSS Corp.

发明人： Brian R. Collett ,  Angela Theys ,  Michelle Docter ,  Joseph Sanders ,  Kenneth J. Heater

IPC分类号： C10M169/04 ,  C10M107/02 ,  C10M129/76 ,  C10M133/12 ,  C10M133/42 ,  C10M137/04 ,  C10M141/10 ,  C10M145/14 ,  C10M161/00

CPC分类号： C10M169/044 ,  C10M107/02 ,  C10M129/76 ,  C10M133/12 ,  C10M133/42 ,  C10M137/04 ,  C10M141/10 ,  C10M145/14 ,  C10M161/00 ,  C10N2030/18

摘要： Lubricating compositions are described, the lubricating compositions comprising a base oil component and an additive component, wherein the additive component comprises a non-silicone anti-foaming agent.

公开(公告)号：US20240150670A1

公开(公告)日：2024-05-09

申请号：US18547546

申请日：2022-03-31

申请人： IDEMITSU KOSAN CO.,LTD.

发明人： Shota KATO ,  Yukio YOSHIDA

IPC分类号： C10M145/14 ,  C08F220/18 ,  C08F220/20 ,  C10M169/04

CPC分类号： C10M145/14 ,  C08F220/1807 ,  C08F220/1812 ,  C08F220/20 ,  C10M169/04 ,  C10N2030/06

摘要： A lubricating oil additive composition containing a polymer-based compound may be excellent in solubility in a mineral oil and wear resistance, and favorable as a friction modifier. A lubricating oil composition may contain the additive composition. Such a lubricating oil additive composition may contain a copolymer (X) containing: (a) a structural unit derived from a monomer (A) having a (meth)acryloyl group and a linear or branched alkyl group having 6 to 24 carbon atoms; (b) a structural unit derived from a monomer (B) having a (meth)acryloyl group and a polar group; and (c) a structural unit derived from a monomer (C) having a polymerizable functional group and a cyclic structure group. The copolymer (X) may have a content of the structural unit (a) of 43% by mol or more based on the total structural units of the copolymer (X), and a mass average molecular weight (Mw) of 5,000 to 90,000.

公开(公告)号：US11932822B2

公开(公告)日：2024-03-19

申请号：US17622026

申请日：2020-06-26

申请人： IDEMITSU KOSAN CO., LTD.

发明人： Naoto Horita ,  Hiroshi Oki

IPC分类号： C10M133/16 ,  C10M135/10 ,  C10M137/10 ,  C10M143/02 ,  C10M143/04 ,  C10M145/14 ,  C10M169/04 ,  C10N10/04 ,  C10N10/06 ,  C10N20/02 ,  C10N20/04 ,  C10N30/00 ,  C10N30/02 ,  C10N30/04 ,  C10N30/06 ,  C10N40/25

CPC分类号： C10M133/16 ,  C10M135/10 ,  C10M137/10 ,  C10M143/02 ,  C10M143/04 ,  C10M145/14 ,  C10M169/044 ,  C10M2205/022 ,  C10M2205/024 ,  C10M2209/084 ,  C10M2215/086 ,  C10M2219/044 ,  C10M2223/045 ,  C10N2010/04 ,  C10N2010/06 ,  C10N2020/02 ,  C10N2020/04 ,  C10N2030/02 ,  C10N2030/04 ,  C10N2030/06 ,  C10N2030/54 ,  C10N2030/56 ,  C10N2040/25

摘要： There is provided a lubricating oil composition which is excellent in the wear resistance and the oil film retention even when the viscosity of the composition is lowered. The lubricating oil composition comprises: a base oil (A); an imide compound (B); a calcium-based detergent (C); a polymer component (D); and a zinc dithiophosphate (E), wherein the imide compound (B) comprises at least one non-boron-modified succinic acid imide compound (Bx) selected from a succinic acid monoimide (B1x) represented by general formula (b-1) and a succinic acid bisimide (B2x) represented by general formula (b-2), and wherein the polymer compound (D) has a mass average molecular weight (Mw) of not less than 10,000 and not more than 50,000, and comprises at least one selected from an olefin polymer (D1) and a polymethacrylate (D2).

公开(公告)号：US11905486B2

公开(公告)日：2024-02-20

申请号：US17761862

申请日：2020-09-24

申请人： IDEMITSU KOSAN CO.,LTD.

发明人： Yoriyuki Takashima ,  Taeko Nakano ,  Koki Hirano ,  Motoharu Ishikawa

IPC分类号： C10M145/14 ,  C08F220/18 ,  C08F220/28 ,  C08F290/04 ,  C10M143/12 ,  C10M169/04 ,  C10N20/00 ,  C10N30/00 ,  C10N40/25 ,  C10N20/02 ,  C10N20/04

CPC分类号： C10M145/14 ,  C08F220/1804 ,  C08F220/1812 ,  C08F220/1818 ,  C08F220/281 ,  C08F290/048 ,  C10M143/12 ,  C10M169/041 ,  C10M2205/06 ,  C10M2209/084 ,  C10N2020/02 ,  C10N2020/04 ,  C10N2020/071 ,  C10N2030/54 ,  C10N2040/255

摘要： An object is to provide a viscosity index improver composition that is capable of properly regulating the HTHS viscosity in the effective temperature range of a lubricating oil composition to a lower range, and a lubricating oil composition containing the viscosity index improver composition, and the viscosity index improver composition contains a comb-shaped polymer (A) containing a structural unit derived from a macromonomer (α) and a structural unit derived from a particular monomer (A1), the macromonomer (α) having a (meth)acryloyl group at one end, and having a structural unit derived from a monomer (α1) selected from butadiene and hydrogenated butadiene.

公开(公告)号：US20240034855A1

公开(公告)日：2024-02-01

申请号：US18245796

申请日：2021-08-11

申请人： Evonik Operations GmbH

发明人： Verena BREUERS ,  Daniel Neß ,  Stephan Wieber ,  Valeri Leich ,  Jonas Hönig ,  Michael Gerhard Hagemann ,  Willibald Wombacher ,  Christian Däschlein

IPC分类号： C08K3/04 ,  C08F267/06 ,  C08F279/06 ,  C08F220/14 ,  C08F220/34 ,  C08F220/18 ,  C08F220/56 ,  C08F212/08 ,  C08K5/5419 ,  C08K5/544 ,  C08K5/5435 ,  C10M125/02 ,  C10M139/04 ,  C10M145/14 ,  C10M143/12 ,  C10M169/04

CPC分类号： C08K3/042 ,  C08F267/06 ,  C08F279/06 ,  C08F220/14 ,  C08F220/34 ,  C08F220/1804 ,  C08F220/56 ,  C08F220/1812 ,  C08F212/08 ,  C08K5/5419 ,  C08K5/544 ,  C08K5/5435 ,  C10M125/02 ,  C10M139/04 ,  C10M145/14 ,  C10M143/12 ,  C10M169/04 ,  C08K2201/011 ,  C08K2201/006 ,  C10M2201/041 ,  C10M2227/04 ,  C10M2209/084 ,  C10M2205/06 ,  C10N2020/04

摘要： Nanoparticle compositions contain a graphene-based material. A preparation process involves providing several components and milling a mixture. The nanoparticle compositions can be used as a lubricant additive to improve tribological performance, in particular to improve anti-friction and anti-wear performance on metal parts. A corresponding lubricant composition contains these nanoparticle compositions.

公开(公告)号：US11879108B2

公开(公告)日：2024-01-23

申请号：US17600797

申请日：2020-03-23

申请人： BASF SE

发明人： Ivette Garcia Castro ,  Wolfgang Grabarse ,  Jan Strittmatter ,  Rene Koschabek ,  Robert Rupaner

IPC分类号： C10M107/28 ,  C08F220/18 ,  C08F210/02 ,  C10M145/14

CPC分类号： C10M107/28 ,  C08F210/02 ,  C08F220/1808 ,  C10M145/14 ,  C08F2800/20 ,  C10M2205/022 ,  C10M2209/0845 ,  C08F210/02 ,  C08F220/1804 ,  C08F220/1808 ,  C08F210/02 ,  C08F220/1812 ,  C08F210/02 ,  C08F220/1804 ,  C08F210/02 ,  C08F220/1808 ,  C08F220/1808 ,  C08F210/02 ,  C08F220/1804 ,  C08F210/02 ,  C08F220/1804 ,  C08F220/1812 ,  C08F220/1808 ,  C08F210/02 ,  C10M2205/022 ,  C10M2209/084 ,  C08F210/02 ,  C08F220/18 ,  C08F2500/02 ,  C08F2500/06 ,  C08F2500/17

摘要： The present invention relates to a middle-pressure polymerization process for the preparation of a liquid ethylene copolymer which comprises in polymerized form 20 to 60 wt % of ethylene; and at least 20 wt % of an acrylate, which is selected from C1-C22 alkyl (meth)acrylate, where a monomer mix comprising the ethylene and the acrylate is polymerized at a pressure of 50 to 400 bar and in the presence of at least 2 wt % of a chain transfer agent. The invention further relates to a liquid ethylene copolymer obtainable by the polymerization process; and to a lubricant comprising the liquid ethylene copolymer obtainable by the polymerization process; and to a method for reducing friction between moving surfaces comprising the step of contacting the surfaces with the lubricant or with the ethylene copolymer.

公开(公告)号：US11732207B2

公开(公告)日：2023-08-22

申请号：US17406599

申请日：2021-08-19

申请人： ENEOS CORPORATION

发明人： Hiroki Nakazawa

IPC分类号： C10M129/50 ,  C10M101/00 ,  C10M107/02 ,  C10M129/54 ,  C10M145/14 ,  C10M149/22 ,  C10M169/04 ,  C10N40/25 ,  C10N10/04 ,  C10N20/02 ,  C10N20/00 ,  C10N20/04 ,  C10N30/02 ,  C10N30/04

CPC分类号： C10M129/50 ,  C10M101/00 ,  C10M107/02 ,  C10M129/54 ,  C10M145/14 ,  C10M149/22 ,  C10M169/04 ,  C10M2207/141 ,  C10M2207/144 ,  C10M2209/084 ,  C10M2217/046 ,  C10N2010/04 ,  C10N2020/02 ,  C10N2020/04 ,  C10N2020/071 ,  C10N2030/02 ,  C10N2030/04 ,  C10N2040/255

摘要： A lubricating oil composition for an internal combustion engine has a HTHS viscosity at 150° C. of 2.55-2.84 mPa·s and includes: (A) a lubricating base oil including (a) mineral base oil(s) and/or (a) synthetic base oil(s), and having a kinematic viscosity at 100° C. of 3.8-4.6 mm2/s; (B) 1000-2000 mass ppm, in terms of metal content, of a metallic detergent including (a) metal salicylate detergent(s), and delivering ≥10 mmol/kg of total salicylate soap base per kilogram of the composition; (C) 1.0 to 4.0 mass % of a comb-shaped poly(meth)acrylate having a Mw of 350,000-1,000,000 and a PDI of ≤4.0; and (D) 100-1000 mass ppm, in terms of nitrogen, of a succinimide dispersant including (i) (a) non-modified succinimide dispersant(s) and/or (ii) (a) boric acid-modified succinimide dispersant(s), wherein the (i) and the (ii), in total, deliver ≥70 mass % of total nitrogen content of the component (D).

公开(公告)号：US20230159850A1

公开(公告)日：2023-05-25

申请号：US17995738

申请日：2020-04-14

申请人： Cosmo Oil Lubricats Co., Ltd.

发明人： Takuma Saito ,  Naoki Asami

IPC分类号： C10M169/04 ,  C10M101/02 ,  C10M145/14

CPC分类号： C10M169/041 ,  C10M101/02 ,  C10M145/14 ,  C10M2203/1006 ,  C10M2209/084 ,  C10N2030/02

摘要： A lubricating oil composition for agricultural machines, containing: at least one base oil selected from the group consisting of mineral oil-based base oils and synthetic oil-based base oils; and a polyalkyl methacrylate-based viscosity index improver having a weight average molecular weight of from 20,000 to 80,000, in which a kinematic viscosity at 100° C. is from 8.00 mm2/s to 10.00 mm2/s, a kinematic viscosity reduction rate at 100° C. in an ultrasonic shear stability test is 10.0% or less, and a Brookfield viscosity at −40° C. is 20,000 mPa·s or less.

公开(公告)号：US20230159848A1

公开(公告)日：2023-05-25

申请号：US17922870

申请日：2021-06-04

申请人： ENEOS CORPORATION

发明人： Akira TAKAGI ,  Noriko AYAME

IPC分类号： C10M157/10 ,  C10M169/04 ,  C10M145/16 ,  C10M145/14 ,  C10M155/02

CPC分类号： C10M157/10 ,  C10M169/041 ,  C10M145/16 ,  C10M145/14 ,  C10M155/02 ,  C10M2203/003 ,  C10M2229/041 ,  C10M2229/051 ,  C10M2209/086 ,  C10M2209/084 ,  C10N2030/18

摘要： A defoaming agent obtainable by a process that includes: polymerizing (A) at least one polymerizable monomer in a composition, the composition comprising (C) a solvent and (B) at least one non-polymerizable polysiloxane dissolved in the (C) solvent, wherein the component (A) optionally comprises at least one Si-atom-containing monomer in an amount of less than 10 mass % on the basis of the total mass of the component (A).