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WO/2024/053735A1 |
The polymer has a main chain polymer structure and a side chain polymer structure. The side chain polymer structure contains a structural unit derived from an alkyl (meth)acrylate (a) in which the alkyl group has 11-30 carbon atoms. At l...
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WO/2024/047952A1 |
Provided is a polymer comprising a structural unit derived from a compound represented by formula (1) and a structural unit derived from a (meth)acryloyl group-containing compound. The content of the structural unit derived from a compou...
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WO/2024/030592A1 |
A lubricant composition including: (a) an oil of lubricating viscosity; and (b) a succinimide, succinimide, or succinate ester obtained by reacting: (i) an amine or an alcohol; with (ii) a reaction product obtained by a process comprisin...
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WO/2024/018835A1 |
[Problem] The invention according to the present application addresses the problem of providing: a resin coating film for a sliding member, which exhibits strength, durability and lubricating properties at the same levels as those of res...
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WO/2024/004763A1 |
This viscosity index improver composition for a lubricating oil composition containing a phosphate ester (C), the viscosity index improver composition containing: a (co)polymer (A) having a monomer (a) represented by general formula (1) ...
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WO/2023/247200A1 |
The invention relates to block polymers and to engine lubricant compositions containing the block polymers and a mineral base oil. The block polymers contain a first block and a second block, the first block being a copolymer of 1,3-buta...
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WO/2023/248962A1 |
A sliding member according to the present disclosure contains, in a sliding layer, a synthetic resin, a solid lubricant, and an additive. The synthetic resin is a polyimide, a polyamide imide, a polybenzimidazole, a polyphenyl sulfone, a...
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WO/2023/238603A1 |
The purpose of the present invention is to provide a viscosity index improver composition that will not easily develop into a gel. The present invention pertains to a viscosity index improver composition comprising: a copolymer (A) conta...
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WO/2023/209038A1 |
The present invention relates to the use of at least one antioxidant in a lubricant composition, said at least one antioxidant comprising at least one oligomer and/or polymer comprising at least one diphenylamine repeat unit for reducing...
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WO/2023/190361A1 |
This lubricating oil composition comprises: a base oil (A); and at least one polyoxyalkylene glycol compound (B) selected from the group consisting a polyoxyalkylene glycol compound (B1), and a polyoxyalkylene glycol compound (B2). The...
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WO/2023/190808A1 |
Provided is a composition which contains metal-based nanoparticles (X), a polymer (Y) and a dispersion medium. The polymer (Y) is a vinyl polymer having a straight chain alkyl group having 10-28 carbon atoms and a nitrogen-containing het...
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WO/2023/180749A1 |
A composition comprising a pyrolysis oil and, as an additive, one or more of: (a) an antioxidant; and (b) a stabilising additive selected from (i) alkoxylated amine compounds; (ii) aldehyde-alkylphenol copolymers; (iii) a quaternary ammo...
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WO/2023/167037A1 |
The purpose of the present invention is to provide a viscosity index improver composition which contains a comb-shaped copolymer and has a low local maximum point of viscosity within the range of 40°C to 100°C, while having excellent h...
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WO/2023/104579A1 |
The present invention relates to a comb copolymer comprising in polymerized form up to 40 wt% of a PIB macromonomer of the formula (I) and a hydrophobic monomer of the formula (II). The invention further relates to a method of preparing ...
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WO/2023/042829A1 |
An electro-rheological fluid, the electro-rheological fluid containing an insulating fluid and metal-ion-containing polyether-based polyurethane particles, the polyurethane particles including a chain extender, the metal ions including a...
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WO/2023/031417A1 |
The present application relates to the use of a comb polymer comprising repeating units that can be obtained by polymerisation of monomers (a) of formula (I), in which formula (I): R1 is a hydrogen atom or a methyl group, X1 is a group c...
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WO/2023/279707A1 |
The present invention relates to a lubricating oil friction modifier and a preparation method therefor and an application thereof. The chemical formula of the lubricating oil friction modifier is AxBy+(C-)y, wherein A is a perfluoropolye...
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WO/2022/255166A1 |
With respect to the lubrication properties of an oil well pipe during fastening and loosing operations, the present invention achieves, by using a solid lubricant coating film, seize resistance at a level equal to or higher than that ach...
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WO/2022/211003A1 |
The present invention addresses the problem of providing: a lubricating oil additive composition that has excellent solubility in mineral oils and wear resistance, is suitable as a friction modifier, and includes a polymer compound; and ...
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WO/2022/209569A1 |
Provided is a lubricating oil composition that comprises a base oil (A) and a dispersant viscosity index improver (B), wherein the nitrogen atom content of the dispersant viscosity index improver (B) on a solid content basis is 0.50-1.50...
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WO/2022/211119A1 |
Provided is a grease composition containing: a base oil (A), a urea-based thickening agent (B), and melamine cyanurate (C). Particles including the urea-based thickening agent (B) in the grease composition satisfy requirement (I). The gr...
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WO/2022/139687A1 |
The present invention relates to a soot dispersant comprising an A-B type block copolymer, wherein the A block is a soot anchoring unit, and the B block is an oil soluble unit. The invention is also to a lubricant fluid composition compr...
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WO/2022/136384A1 |
The description involves a brush copolymer composition comprising a copolymeric backbone including monomeric repeat units of at least two different acrylate monomers and copolymeric brush arms including monomeric repeat units of at least...
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WO/2022/110068A1 |
A polyether derivative and a preparation method therefor. The polyether derivative has the following structure: formula (I). The polyether derivative has a functional group introduced into the polyether chain, such that the derivative ha...
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WO/2022/107882A1 |
The present invention provides a grease composition which makes it possible to prevent deterioration in sealing properties even when base oil having a kinetic viscosity of as low as, for example, 5-40 mm2/s is used and which makes it pos...
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WO/2022/102217A1 |
[Problem] To provide: an electroviscous fluid which exhibits a satisfactory damping force and in which fluctuation is suppressed; and an electroviscous fluid damper in which the electroviscous fluid is used. [Solution] Provided are an el...
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WO/2022/074081A1 |
The present invention relates to an at least partially continuous process for the preparation of at least one oligomer and/or polymer comprising at least one diphenylamine repeat unit and optionally at least one phenyl alpha-naphthylamin...
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WO/2022/008289A1 |
Lubricant with copolymer of aminophenol derived PIB macromonomer The present invention relates to a polyisobutylene (PIB) macromonomer; to a copolymer comprising the PIB macromonomer in polymerized form; to a lubricant comprising the cop...
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WO/2021/246099A1 |
Provided are an electro-rheological fluid that exhibits an excellent ER effect and that has sufficient durability, and a cylinder device. An electro-rheological fluid (300) according the present invention is characterized by comprising...
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WO/2021/246100A1 |
Provided are an electrorheological fluid having high yield stress at high temperatures, and a cylinder device. An electrorheological fluid 100 according to the present invention is characterized by containing a fluid 101 and polyurethane...
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WO/2021/230023A1 |
Provided is a lubricant composition for plastic working of ferrous materials, the composition having superior lubricity and release properties and being such that the work environment is not stained black. The lubricant composition for p...
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WO/2021/231220A1 |
The present invention provides, among other things, a process to produce a low molecular weight dispersant polymethacrylate polymer ("LMWDPMA"), and the LMWDPMA itself, along with the use of the LMWDPMA in a lubricating composition, as w...
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WO/2021/161781A1 |
The present invention provides: an electrorheological fluid which is capable of achieving a good balance between high heat resistance and ER effect; and a cylinder device. An electrorheological fluid (300) according to the present inve...
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WO/2021/161780A1 |
Provided are: an electro-rheological fluid having a low rate of change in yield stress in a wide temperature range; and a cylinder device. The present invention is characterized by containing a fluid (1) and polyurethane particles (2),...
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WO/2021/096837A1 |
This invention relates to a liquid antioxidant composition which finds utility as an antioxidant additive in candle wax and lubricant compositions, and has an additional effect of preventing crystallization of the tolutriazole additive u...
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WO/2021/084330A1 |
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 iso...
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WO/2021/060422A1 |
The present invention addresses the problem of providing: a viscosity index improver composition which is capable of adequately adjusting the HTHS viscosity of a lubricating oil composition within the effective temperature range to a val...
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WO/2021/015031A1 |
The present invention addresses the problem of providing an electro-rheological fluid composition and a cylinder device that can deliver a significant ER effect while suppressing the electrical current density. This electro-rheological...
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WO/2021/004991A1 |
The invention relates to a polymer or oligomer comprising a) An oligomeric or polymeric core comprising carbon atoms and at least one of oxygen atoms and nitrogen atoms, and b) at least three hydrocarbyl terminal and/or pending groups ha...
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WO/2020/264534A2 |
This disclosure relates to a method for reducing solubilized copper concentration in a lubricating oil in a wind turbine gearbox. The method includes: using as the lubricating oil a sulfur containing formulated oil, the formulated oil co...
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WO/2020/262088A1 |
The purpose of the present invention is to provide: a viscosity index-improving composition which has a low 100°C HTHS viscosity and excellent shear stability and low-temperature viscosity; and a lubricating oil composition. The present...
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WO/2020/129587A1 |
Provided is a lubricating grease composition that enables increasing of a coefficient of static friction between sliding members, and that provides excellent movement initiation properties, durability, and low-temperature performance. Th...
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WO/2020/120269A1 |
The present invention provides an additive of formula (I) where: R1 is hydrocarbyl optionally substituted with one or more hydroxyl groups; R2 is H or alkyl; R3 is H or alkyl; R4 is H, alkyl or; A and B are alkylene; L is a linker group ...
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WO/2020/081309A1 |
The present disclosure relates to lubricant additives such as dispersants and dispersant viscosity modifiers including acyl peptide grafted polymers and lubricating oil compositions comprising such additives. The disclosure also relates ...
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WO/2019/116117A1 |
Lubricating oil compositions are provided which contain bimodal copolymer compositions, and in particular bimodal ethylene-a-olefin copolymer compositions. The copolymer compositions comprise first and second ethylene-a-olefin copolymer ...
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WO/2019/103800A1 |
Provided are bimodal copolymer compositions, and in particular bimodal ethylene-a- olefin copolymer compositions. The copolymer compositions comprise first and second ethylene-a-olefin copolymer components. The bimodal compositions are p...
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WO/2019/097791A1 |
Provided is a sliding member wherein a sliding layer is capable of exhibiting excellent sliding properties in terms of seizure resistance, wear resistance, and heat resistance. This method is for manufacturing the sliding member that sli...
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WO/2019/097304A1 |
An antioxidant polymer (e.g., oligomer) composition comprising repeat units of lylamine monomers of formula I wherein R is H, C1-C18 alkyl, C2-C18 alkenyl, C2-C18 alkynyl, -C(O)C1-C18 alkyl, -C(O)aryl and R1, R2, R3 and R4 are each indep...
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WO/2019/035905A1 |
A lubricant composition of an oil of lubricating viscosity, a grafted copolymer viscosity modifier that is an ashless condensation reaction product of an olefin polymer, having a number average molecular weight of about 1000 to about 10,...
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WO/2019/012031A1 |
The present invention is directed to selected comb polymers comprising specified amounts of macromonomer and imide functionalization, their preparation, lubricant compositions comprising such comb polymers and their use for reducing wear...
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