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JP3130427B2 |
PURPOSE: To obtain a grease composition for joint hard to separate the base oil and the thickener even under high centrifugal force, causing little grease leakage, excellent in wear resistance, lubricity and durability, thus suitable for...
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JP3124596B2 |
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JP2000517348A |
Substantially linear ethylene polymers, such as ethylene/octene copolymers and ethylene/propylene/diene modified polymers, when added in a viscosity modifying amount to an oleaginous material, such as a lubricating oil, provides the mate...
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JP2000351813A |
To obtain an ethylene/α-olefin copolymer excellent in shear stability and low-temperature properties, which is a copolymer comprising ethylene and an α-olefin in a specified ratio, having a specified number-average molecular weight, a ...
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JP3115674B2 |
PURPOSE: To obtain the subject composition which develops high shearing stress and excels in electric current characteristics and long-term stability by adding an inorganic compound soluble in acidic water to a suspension of a crosslinke...
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JP2000319321A |
To obtain an alkylated hydroxyaromatic compound which is usable for producing an oil-soluble lubricating oil additive useful as a dispersing agent by including it into an oily composition. This aromatic compound having improved viscosity...
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JP2000513397A |
Polymers (including copolymers) derived from one or more olefins, such including ethylene and C3-C20 alpha-olefins such as propylene and 1-butene, which polymers have (a) an average ethylene sequence length, ESL, of from, about 1.0 to le...
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JP3084288B2 |
The present invention relates to hydrogenated block copolymers of butadiene and at least one other diene, preferably isoprene. The copolymer is hydrogenated and comprises at least 10% by weight of at least one crystallizable segment and ...
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JP3081876B2 |
An olefin copolymer which comprises the reaction product of an acylated olefin copolymer and a polyamine, wherein the acylated olefin copolymer comprises an olefin copolymer having grafted thereon from 0.3 to 0.75 carboxylic groups per 1...
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JP2000510184A |
The present invention is directed to an oil-soluble fuel and lubricating oil additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of 300 to 20,000 number average molecular weight substituted with mono- or...
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JP3071837B2 |
The present invention is directed to oil-soluble lubricating oil additives comprising Mannich Base condensates of an alkyl substituted hydroxy aromatic compound with formaldehyde and an amine, wherein the alkyl-moiety of the aromatic com...
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JP3065101B2 |
A Koch functionalized product which is the reaction product of at least one polymer having a number average molecular weight of at least 500 and at least ethylenic double bond per polymer chain, with carbon monoxide and a nucleophilic tr...
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JP3058740B2 |
An additive composition comprising a graft and amine-derivatized copolymer said copolymer having a number average molecular weight ranging from about 5,500 to 50,000 and having grafted thereon at least 1.8 molecules of a carboxylic acid ...
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JP3058370B2 |
The invention provides cyclone-finishable polymeric viscosity index improvers, produced by the process comprising the steps of: (a) preparing by anionic polymerisation a copolymer having a number average molecular weight in the range fro...
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JP2000506927A |
A composition including polyalphaolefins that function as drag reducing agents and a process for the preparation of polyalphaolefins that function as drag reducing agents are disclosed. The process includes contacting alphaolefin monomer...
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JP2000144164A |
To obtain a lubricating grease composition excellent in extreme- pressure property, abrasion resistance, anti-oxidant property and corrosion proofing property by keeping a mixture of an aliphatic acid with a synthetic oil, or the like, t...
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JP3037460B2 |
The invention provides an oil composition comprising a major amount of an oil and, as viscosity index improver a minor amount of a selectively hydrogenated carboxyl functionalised polymer of general formula B-A-B, wherein each B, prior t...
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JP3031572B2 |
Hydrocarbon oil compositions which contain as additive a polymer of carbon monoxide and one or more C10+ alpha -olefins in which the units originating from carbon monoxide and the units originating from the olefin(s), occur in a substant...
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JP3023178B2 |
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JP2000053990A |
To obtain a two-cycle gasoline engine oil excellent in cleanness, therefore capable of maintaining two-cycle gasoline engines at high performance levels over a long period. This lubricating base oil consists mainly of a base oil with a d...
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JP2000053986A |
To obtain a lubricating oil composition for large-sized diesel engines with low lubricating oil consumption. This composition capable of significantly cutting lubricating oil consumption is obtained by incorporating a lubricating base oi...
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JP3002262B2 |
A motor oil performance-enhancing engine treatment oil additive formulated for addition to conventional motor oil to improve the lubricating properties of the engine oil and enhance the performance of the engine. The novel engine additiv...
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JP2000017285A |
To provide metal processing lubricating oil compositions which are used in treating metal surfaces of aluminum plate materials or the like and are coated on the can surfaces to improve moldability of the drawing processing with ironing, ...
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JP3000567B2 |
The invention provides gear oil compositions comprising a base oil and a hydrogenated star polymer comprising at least four arms, each arm comprising, before hydrogenation, polymerised conjugated diene monomer units and having a weight a...
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JPH11349969A |
To obtain the subject fluid comprising a specific naphthenic ring-contg. hydrocarbon, exhibiting excellent power transmission and the outstanding ability as a fluid for hydraulic pressure control or wet clutch friction control as well, a...
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JPH11349971A |
To obtain the subject fluid comprising a specific naphthenic ring-contg. ester, exhibiting excellent power transmission and the outstanding ability as a fluid for hydraulic pressure control or wet clutch friction control as well, and the...
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JPH11349972A |
To obtain the subject fluid comprising a specific naphthenic ring-contg. carbonate, exhibiting excellent power transmission and the outstanding ability as a fluid for hydraulic pressure control or wet clutch friction control as well, and...
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JP2983378B2 |
PURPOSE: To improve oxidation stability and to maintain high cooling performance and brightness in spite of repetitive use for hardening by incorporating a base oil of a mineral oil system, a copolymer of ethylene and α-olefin and the a...
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JP2968832B2 |
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JPH11293265A |
To obtain a traction drive fluid improved in power transmission capacity and capacity as a hydraulic control fluid or a wet friction control fluid by using a naphthene-ring-containing ester. The fluid comprises a naphthene-ring-containin...
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JP2950963B2 |
Degraded molecular weight copolymers of ethylene alpha-olefin are provided. The ethylene alpha-olefin copolymers, before degradation, are characterized by having a narrow molecular weight distribution and are comprised of intramolecularl...
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JPH11236586A |
To obtain a compsn. which acts as a viscosity modifier and a dispersant for lubricating oils and fuels by incorporating a hydrocarbon polymer having specific pendant groups bonded thereto and a specified mol.wt. into the same. This comps...
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JPH11236585A |
To obtain a multifunctional additive which acts as a viscosity modifier and a dispersant for lubricating oils and fuels by incorporating a hydrocarbon polymer having specific pendant groups bonded thereto and a specified mol.wt. into the...
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JP2944137B2 |
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JP2928919B2 |
To obtain a viscosity index improver which generates a small amt. of caulking by selecting a copolymer having structural units derived from an alkyl methacrylate and a specific monomer as the essential units. This improver is a copolymer...
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JP2924921B2 |
A lubricant additive composition and method for production is disclosed comprising the adduct of an olefinic oligomer and an enophile, said olefinic oligomer comprising the product of the oligomerization of C2 to C24 alpha-olefin feedsto...
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JP2919614B2 |
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JP2917422B2 |
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JPH11506978A |
The invention provides dispersants and dispersant viscosity index improvers which include polymers of conjugated dienes which have been hydrogenated and functionalized. The dispersant substances include compositions including a copolymer...
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JP2905611B2 |
Dispersant/VI improver luboil additives are produced by reacting a star polymer with an alpha, beta unsaturated carboxylic acid or derivative to form an activated star polymer, which is then reacted with (a) at least one compound of gene...
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JPH11506391A |
The invention provides dispersants and dispersant viscosity index improvers which include polymers of conjugated dienes which have been hydrogenated and functionalized. The dispersant substances include compositions including a copolymer...
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JPH11505266A |
(57) [Summary] Describe a novel fluid mixture of specific hydrocarbons that meets a set of structural criteria. One group of the above compounds is a linear hydrocarbon separated by one or more carbon atoms (classes), each having an inte...
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JPH11131086A |
To provide a lubricating grease composition suitable for a high speeding and a high loading of a bearing in an iron manufacturing machine, etc. This lubricating grease composition is obtained by blending 100 pts.wt. of base grease compri...
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JP2882486B2 |
A lubricating oil composition comprising lubricating oil and (i) an amount effective to improve the low temperature flow properties of said lubricating oil composition of additive consisting essentially of at least one low molecular weig...
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JP2880762B2 |
Mineral oil composition comprising an additive which has been prepared by copolymerizing a mixture of at least two alpha-olefins with at least 16 carbon atoms each in the presence of a catalyst comprising a) a tetravalent titanium compou...
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JP2873507B2 |
A novel composition is disclosed that is particularly useful as a lubricant viscosity index improver. The composition comprises branched branched C30-C10000 hydrocarbons that have a branch ratio of less than 0.19 and viscosity at 100 DEG...
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JPH1171593A |
To obtain an intermediate useful for preparing a dispersing agent- viscosity improving agent for lubricants and provide a method for preparing the intermediate. This composition comprises a reaction product of (A) at least one kind of ol...
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JPH1171592A |
To obtain an intermediate having low chlorine content or chlorine-free intermediate used as an additive in a lubricating agent. This composition comprises (A) one or more kinds of olefinic unsaturated hydrocarbon polymers having about 20...
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JP2866682B2 |
Lubricating oil composition comprising a major proportion of a mineral lubricating oil and, as viscosity index improver, a hydrogenated block copolymer or olefin copolymer functionalised by the presence of carboxyl groups attached to the...
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JP2857179B2 |
Improved dispersant/VI improver luboil additives are produced by reacting a star polymer with an alpha, beta unsaturated carboxylic acid or derivative to form an activated star polymer, which is then reacted with a) an alkyl carboxylic a...
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