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[发明专利]TH2501000807A _
อีโวนิค โอเปอเรชั่นส์ จีเอ็มบีเอช
2023年08月01日
The present invention is directed to polyalkyl(meth)acrylate-based polymers comprising defined amounts of long-chain alkyl (meth)acrylates, their preparation, lubricant compositions comprising such polymers and their use to improve the thickening efficiency and low temperature performance of lubricant compositions, especially of engine oil (EO) compositions.
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[发明专利]WO2026178325A1 _
THE LUBRIZOL CORPORATION
2026年02月20日
The instant disclosure generally relates to lubricating compositions having an oil of lubricating viscosity, a mixture of dispersants including a high TBN dispersant having a number average molecular weight of 2000 or higher, a low TBN dispersant having a number average molecular weight of 2000 or higher, a magnesium detergent and a molybdenum compound. The lubricating compositions of the invention contain less than 120 ppm boron and are substantially free of low molecular weight dispersants.
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[发明专利]EP4818296A1 _
Cargill Bioindustrial UK Limited
2022年03月14日
The present invention relates to a base oil. The base oil as described herein provides utility inter alia in gear oil formulations, and in particular transmission fluids, and provides improved coefficient of friction properties when in use. More especially in some embodiments there is provided a gear oil formulation which is particularly suitable for use in electrical vehicles with or without integrated gear boxes.
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[发明专利]CN224646902U _
润仓新材料科技(苏州)有限公司
2025年07月16日
本实用新型属于提纯装置技术领域，具体涉及一种用于润滑油加工的提纯装置，包括桶体，所述桶体的下端固定连接有加热座，所述桶体的内部固定连接有出气管，所述桶体的上端通过螺纹连接有盖子，所述盖子的内部滑动连接有密封环，所述桶体的内壁固定连接有垫环，所述盖子的下端固定连接有导向杆。本实用新型创新性地设置有密封环、垫环与第一弹簧等部件，工作时，第一弹簧凭借自身弹力，精准地推动密封环与垫环紧密贴合，这一设计极大地增强了盖子与桶体间的密封性，切实解决了原有提纯装置密封不佳的痛点，以往润滑油易挥发浪费的状况得以改善，不仅节约了成本，还减少了对环境的潜在影响。
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[发明专利]WO2026087378A1 _
INFINEUM INTERNATIONAL LIMITED
2025年10月17日
A viscosity index improver (VII) or viscosity modifier (VM) concentrate comprising: from about 60 parts to about 95 parts of a diluent oil; and from about 5 parts to about 40 parts of star diblock and triblock copolymers having a coupling efficiency greater than about 50%; the concentrate comprises at least 50 wt% of the diluent oil and from about 6.0 wt.% to about 14.0 wt.% of the star and linear diblock and triblock copolymers. The diblock and triblock copolymers possess the ability to thicken in concentrates without gelation or slow flowing material, relatively uniformly across different types or Groups of base stocks/diluents, at high active ingredient concentrations and handling temperatures.
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[发明专利]EP4269543B1 _
Commonwealth Scientific and Industrial Research Organisation The Boeing Company
2017年05月11日
The present disclosure relates to polysiloxanes, processes for preparing polysiloxanes, and hydraulic fluids comprising polysiloxanes. This disclosure also relates to hydraulic fluids comprising one or more polysiloxane compounds and diphosphonate compounds, and to the use of diphosphonate compounds in hydraulic fluids or as additives or components in various compositions, for example to provide fire retardant properties to a fluid or composition. This disclosure also relates to use of the compositions as hydraulic fluids, which may be used in various machines, vehicles and craft, including aircraft.
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[发明专利]AU2024307591A1 _
BASF SE
2024年06月18日
The present invention relates to a use of a polyalkylene glycol based lubricant in a gas fueled combustion engine for reducing the NOx emission of the gas fueled combustion engine. The present invention relates to a method for reducing the NOx emission of a gas fueled combustion engine comprising the step of lubricating the gas fueled combustion engine with a polyalkylene glycol based lubricant.
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[发明专利]CN122766676A _
赢创运营有限公司
2025年02月17日
本发明涉及在低挥发性载体油组合物中包含聚(甲基)丙烯酸烷基酯共聚物的粘度指数改进剂。
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[发明专利]WO2026171897A1 _
TOTALENERGIES ONETECH TOTALENERGIES ONETECH
2026年02月13日
The present invention relates to an aqueous lubricant composition comprising at least: - water, in particular deionized water; - a polyalkylene glycol; - an antifreeze compound chosen from glycols, preferably alkylene glycols, glycerol, diglycerol, triglycerol, and mixtures thereof; and - a mixture of at least two different non-ethoxylated phosphate esters, said esters being optionally in the form of salts.
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[发明专利]EP4798684A1 _
The Lubrizol Corporation
2024年10月23日
The invention provides a lubricating grease composition made from a base oil and an aluminum complex soap thickener and which contains an effective amount of a polyalkylene polyamine dispersant to improve shear stability. The lubricating greases of the present invention have a change in penetration units after being worked 100,000 double strokes of less than 30 measured using ASTM D217.
