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WO/1992/015622A2 |
A functionalised polymer, especially an ashless dispersant or a viscosity index improver dispersant, suitable for use as a lubricating or fuel oil additive, or as an intermediate for use in the manufacture of such an additive, is prepare...
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WO/1992/015624A2 |
Polymers of olefinically unsaturated hydrocarbons suitable for use as intermediates for use in the manufacture of lubricating or fuel oil additives, are prepared from reactants in different phases by reacting the reactants in a reaction ...
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WO/1992/007923A1 |
Fluid compositions comprised of a monomer constituent dissolved in a carrier fluid, where the monomer constituent is capable of forming a polymer film directly on rubbing surfaces but is not polymerized in solution, have been found to be...
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WO/1992/001726A1 |
A curing agent for epoxy resins having improved solubility characteristics has formula (I) where R is -C6H5X, -CH2C6H4X, -CH2CH2C6H4X, or -CnH2n-1, and X is either -H, -CH3, -OCH3, -OH, or -NY, where Y is -H or CH3 and where n is 1 to 12...
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WO/1991/013952A1 |
Oleaginous compositions, particularly lubricating oil compositions, exhibiting improved antioxidant properties containing a viscosity index improving amount of a viscosity index improver-dispersant comprised of the reaction products of: ...
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WO/1991/013954A1 |
The novel polymers of the present invention are prepared by reacting a heterocyclic nitrogen compound containing at least one -N(H)- group in the ring, an aldehyde and amino-substituted polymer (e.g., an ethylene alpha-olefin interpolyme...
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WO/1990/013620A1 |
A novel composition is disclosed that is particularly useful as a lubricant viscosity index improver. The composition comprises branched C30-C10000 hydrocarbons that have a branch ratio of l ess than 0.19 and viscosity at 100°C between ...
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WO/1990/012857A1 |
A lubricant additive composition and method for production is disclosed comprising the adduct of an olefinic oligomer and an enophile, the olefinic oligomer comprising the product of the oligomerization of C2 to C24 alpha-olefin feedstoc...
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WO/1990/001503A1 |
The present invention is directed to a class of polymer comprising an ethylene alpha-olefin interpolymer having a set of chemical-physical properties rendering it particularly suitable as the "polymer backbone" for production of dispersa...
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WO/1989/012670A1 |
Sulfur derivatives of unsaturated oligomers formed from alpha-olefins of 2 to 20 carbon atoms which oligomer has a branch ratio of less than 0.19. Such derivatives are useful as additives for lubricants.
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WO/1989/012651A2 |
Epoxy functionalized polyalpha-olefin lubricants compositions are prepared with superior properties by epoxidizing the olefinic bond of oligomers prepared by oligomerizing C6-C20 alpha-olefins with reduced valence state chromium catalyst...
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WO/1989/006247A2 |
This invention deals with viscosity improvers which are obtained through the use of a mixed catalyst system comprising a tertiary organo halide and a Lewis acid catalyst.
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WO/1988/008008A2 |
Hydrocarbon compositions, including oligomers and polymers, for use in improving the thermo-oxidative stability and the dispersancy and viscosity index improvement (for high molecular weight) properties of fuels and lubricating oils are ...
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WO/1988/003931A1 |
Oxidised polyisobutenes, that is polyisobutenes containing ketonic and carboxylic acid carbonyl groups, are produced by passing through a column of the polyisobutene maintained at a temperature in the range from 140 to 200�C and at atm...
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WO/1987/004180A1 |
Compositions useful as pour point depressants, novel compounds within such compositions, and processes for making same, as well as lubricant oil compositions containing same. The novel compounds are encompassed by general structural form...
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WO/1987/003890A1 |
Compositions useful as oil additives are prepared in a solvent or a solvent free system by reacting (B) an unsaturated carboxylic acid reagent with (A) a hydrogenated block copolymer in the presence of (C) free radical initiators. The fo...
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WO/1987/003897A1 |
Oil-soluble compositions, useful as dispersant viscosity modifiers, are formed by the reaction product of an acylating product (D), a (F) polyamine, and a (G) mono-functional acid. The compositions can be prepared in solvent such as a hy...
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WO/1987/003603A1 |
Ziegler-Natta catalyzed polymer chains are end capped with at least one functional group-containing unit which is otherwise essentially absent from said polymer chain. The chains can be grafted to form graft copolymers and star copolymer...
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WO/1987/003610A1 |
A polymeric composition of a first copolymer which includes at least one copolymer having at least one of M(Boolean not)w/M(Boolean not)n less than 2 and M(Boolean not)z/M(Boolean not)w less than 1.8; and a second copolymer having M(Bool...
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WO/1986/003756A1 |
Novel copolymers of alpha-olefins comprised of intramolecularly heterogeneous and intermolecularly homogeneous copolymer claims prepared by a process as outlined schematically in Fig. 1.
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WO/1986/003755A1 |
Nodular copolymer and method of preparing a nodular copolymer by preparing a copolymer chain and coupling it with a coupling agent. The copolymers which form the nodular copolymer are formed of first and second segments, of which the sec...
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WO/1986/002129A1 |
A method of lowering flow resistance of flowable water-type liquids and non-water-type liquids. According to the conventional technique in this field, a macromolecular substance is added into a liquid which is flowing, the macromolecular...
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WO/1985/003709A1 |
A composition comprising the reaction product of (A) at least one carboxylic acid acylating agent, (B) at least one amine characterized by the presence within its structure of at least one HN< group, and (C) at least one phosphorus-conta...
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WO/1985/003504A2 |
An improvement in known processes for preparing substituted carboxylic acids useful as acylating agents which comprise reacting (A) at least one aliphatic polymer of one or more lower olefins with (B) an acid reactant selected from the g...
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WO/1982/001372A1 |
A method for oxidatively shearing an olefinic polymer accompanied by introduction into the sheared polymer of carbonyl groups which comprises oxidising the olefinic polymer in a solvent such as a lubricating oil in the presence of an alk...
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WO/1982/001009A1 |
A viscosity index improver additive composition comprising from 1 to 25% by weight of a hydrogenated alkenylarene/conjugated diene interpolymer having a number average molecular weight greater than 20,000, from 30 to 72% by weight of a s...
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WO/1980/000976A1 |
A lubricating oil composition composed of an oil-soluble graft copolymer, prepared by grafting a small amount of graft monomer selected from the group consisting of unsaturated monocarboxylic acid saturated esters, saturated carboxylic a...
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JP2024052955A |
An object of the present invention is to provide an anti-peeling agent capable of suppressing white layer peeling of a rolling bearing or the like, and a lubricant composition containing the anti-peeling agent. [Solution] According to th...
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JP7437897B2 |
To provide a material capable of efficiently dissolving a resin material in a lubricating oil when a resin material containing an olefin polymer is used as a viscosity index improver for the lubricating oil.A disclosed resin container 1 ...
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JP7417359B2 |
The present disclosure relates to oxazoline modified lubricant additives that have dispersant properties and lubricating oil compositions comprising said dispersant lubricant additives. The disclosure also relates to the use of lubricant...
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JP7393938B2 |
To provide a lubricant composition that improves fuel efficiency, reduces low-temperature viscosity, and ensures relatively high viscosity at high temperature, and has small difference between viscosity at low temperature and viscosity a...
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JP2023164546A |
To provide a composition for obtaining a threaded joint for a pipe having excellent seizure resistance and excellent high torque performance, and the threaded joint for the pipe that has a lubrication film layer formed from the compositi...
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JP2023544102A |
The present invention relates to nanoparticle compositions containing graphene-based materials and methods for producing them. The present invention relates to their use as lubricant additives and to lubricant compositions containing the...
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JP2023151487A |
To provide a lubricating oil composition for a gas engine which prevents occurrence of coking, prevents corrosion of metals contained in members of the gas engine, and improves wear resistance of the members of the gas engine.A lubricati...
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JP7354293B2 |
Provided are: a new viscosity index improver having higher shear stability; and an oil composition including the viscosity index improver.　The viscosity index improver comprises a conjugated diene-based graft polymer, wherein in the co...
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JP7353053B2 |
A magnetorheological fluid composition with excellent dispersion stability of magnetic particles and fluidity is provided. The magnetorheological fluid composition comprises magnetic particles, a dispersion medium, a viscosity modifier a...
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JP2023130906A |
To provide a lubricant composition that has particularly excellent viscosity properties, specifically at a low temperature of -35°C, in other words, the lubricant composition that maintains required viscosity at a high temperatures, mit...
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JP7348747B2 |
Provided are: a lubricating oil composition for transmissions having a long fatigue life and a low viscosity, which contains a base oil and an olefin copolymer and in which the mass-average molecular weight of the olefin copolymer is 5,0...
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JP7341979B2 |
The present invention relates to a lubricating oil composition containing a base oil (A) and a viscosity index improver (B) such that in X-ray small-angle scattering spectra obtained through measurement at 40°C and 100°C, a ratio [Δ|Î...
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JP7321007B2 |
To provide a lubricant viscosity modifier and a lubricant additive composition for obtaining a lubricant composition that achieves a good balance between a viscosity index and a low-temperature viscosity.A lubricant viscosity modifier co...
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JP2023105357A |
To provide a solvent-diluted lubricant composition that suppresses sedimentation of a solid lubricant and has excellent re-dispersibility.A solvent-diluted lubricant composition comprises: a fluorine-free solid lubricant; a fluorine-cont...
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JP2023098655A |
To provide a composition for water lubrication sliding members that has improved frictional wear properties even when used under both of water lubrication condition and lubricant-free condition, a water lubrication sliding member includi...
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JP7295112B2 |
Lubricating oil compositions are provided which contain bimodal copolymer compositions, and in particular bimodal ethylene-α-olefin copolymer compositions. The copolymer compositions comprise first and second ethylene-α-olefin copolyme...
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JP2023525328A |
A lubricating oil composition, e.g., SAE 0W-20, comprising (a) a major amount of an oil of lubricating viscosity, (b) a non-dispersing comb polymethacrylate (PMA), and (c) a non-dispersing ethylene-based olefin copolymer, or lower viscos...
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JP7291525B2 |
To provide a viscosity regulator for a lubricating oil having a high viscosity index and excellent thickening properties, and a lubrication oil composition comprising the viscosity regulator for a lubricating oil.There is provided a visc...
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JP2023081647A |
To provide a lubricant additive that has a constitutional unit derived from a plant-derived monomer and, when added to oil, shows excellent abilities to improve viscosity indexes and dissolve in oil.A lubricant additive contains a polyme...
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JP2023075861A |
To provide a cold rolled steel sheet that is superior in press moldability as a coefficient of friction between a steel plate and a metal mold etc., decreases remarkably.Organic resin of a film that a cold rolled steel sheet has is at le...
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JP2023518480A |
This application relates to the use of a lubricating composition comprising a base oil and a hydrogenated diene styrene polymer to reduce engine particulate emissions. [Selection figure] None
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JP7261596B2 |
To provide a viscosity index improver for lubricant that gives a lubricant composition having a high viscosity index improvement capability and high thickening properties, and having a transparent appearance.A viscosity index improver fo...
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JP2023034084A |
To provide a lubricant for an internal combustion engine capable of improving fuel economy and suppressing consumption of oil droplets.A lubricant composition for an internal combustion engine comprises: (A) a lubricant base oil that has...
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