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7625850 |
Lubricating oil composition
A high-temperature lubricating oil composition is provided, which is resistant to hardening and sludge formation, and displays minimal evaporation loss and superior thermal stability, even under...
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7569526 |
Anti-oxidants in soluble oil base for metal working fluids
Disclosed herein is a method for reducing the oxidative and biological degradation of a metalworking fluid comprising adding thereto at least one antioxidant and at least one biocide.
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7566687 |
Methods and compositions for removing sulfur from liquid hydrocarbons
Improved desulfurization compositions are provided for removing substantial fractions of sulfur, sulfur complexes, and sulfur compounds from liquid hydrocarbons such as crude oil and fuels. The...
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7534747 |
Gels that reduce soot and/or emissions from engines
A soot reducing media that reduces the soot content in lubricating oil in an engine. Further a process employing a gel to decrease the amount of soot in the lubricating oil of an engine and/or...
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7531083 |
Cycloalkane base oils, cycloalkane-base dielectric liquids made using cycloalkane base oils, and methods of making same
Cycloalkane base oil, methods of making cycloalkane base oil, and dielectric liquid comprising cycloalkane base oil, the cycloalkane base oil comprising a quantity of isoparaffins and from 50 wt. %...
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RE40595 |
Lubricant containing molybdenum compound and secondary diarylamine
There is disclosed a lubricating oil composition which contains from about 100 to 450 parts per million of molybdenum from a molybdenum compound which is substantially free of active sulfur and...
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7413682 |
Antioxidants and methods of making antioxidants
Antioxidants for industrial, automotive, and aviation lubricants and methods of making the same are provided. A process using alkylated diphenylamines; alkylated phenyl-α-naphthyl amines; and a...
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7176168 |
Lubricant containing a synergistic combination of rust inhibitors, antiwear agents, and a phenothiazine antioxidant
The present invention describes an improved lubricant composition comprising a particularly effective combination of components comprising ashless antiwear and rust inhibitor additives with an...
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6872693 |
Mineral gear oils and transmission fluids
This invention relates to mineral oil based gear oils and transmission fluids which comprise a major amount of a mineral oil having an iodine number of less than 9 and where at least 55% of the...
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6858567 |
Lubricating oil composition and watch using the same
The first lubricating oil composition of the invention comprises a polyol ester (A) as a base oil, a specific amount of a viscosity index improver (B) and a specific amount of an anti-wear agent...
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6852680 |
Dithiocarbamates containing alkylthio and hydroxy substituents
This invention relates to a low cost, wear inhibitor containing novel dithiocarbamates with alkylthio and hydroxy substituents that can be used to formulate low phosphorus lubricants. In addition...
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6852679 |
Lubricating oil composition
A lubricating oil composition having less than 0.2 wt. % sulfur, less than 50 ppm chlorine, less than 50 ppm phosphorus, a NOACK volatility of 15 wt. % or less comprising an organo-molybdenum...
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6806241 |
Antioxidant additive compositions and lubricating compositions containing the same
Disclosed are antioxidant compositions comprising of: (1) an organomolybdenum compound; (2) an alkylated diphenylamine; and (3) a sulfur compound selected from the group consisting of: (a)...
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6797677 |
Antioxidant combination for oxidation and deposit control in lubricants containing molybdenum and alkylated phenothiazine
The invention relates to a lubricating oil composition having improved antioxidant properties, and which contains a molybdenum compound and an alkylated phenothiazine. Further, it may also include...
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6794341 |
Peak torque lowering composition, part with sliding part using the composition, and press-fitting method using the composition
The peak-torque descending composition of the present invention contains a certain amount of an extreme pressure agent comprising at least neutral phosphate esters and/or neutral phosphite esters...
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6750184 |
Lubricants with 5-tert.-butyl-4-hydroxy-3-methylphenyl substituted fatty acid esters
The present invention relates to improved lubricant compositions highly resistant to oxidative degradation comprising selected 5-tert.-butyl-4hydroxy-3-methylphenyl substituted fatty acid esters,...
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6706672 |
Engine lubricant using molybdenum dithiocarbamate as an antioxidant top treatment in high sulfur base stocks
A composition comprising: a high-sulfur API Group I mineral oil base stock; a molybdenum dithiocarbamate in an amount suitable to provide 50 to about 600 ppm molybdenum to the composition; a...
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6645920 |
Additive composition for industrial fluid
A lubricating oil composition containing in oxidation inhibitor package, a rust inhibitor and metal deactivator is used in industrial fluids. The oxidation package contains alkylated...
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6596672 |
Low ash lubricant compositions containing multiple overbased materials and multiple antioxidants
A low sulfate ash lubricating oil composition comprising an oil of lubricating viscosity, 0.1 to 3.0% of a calcium overbased acidic material, 0.1 to 2.0% of a magnesium overbased acidic material,...
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6534454 |
Biodegradable vegetable oil compositions
A composition, comprising; (A) at least one triglyceride oil of the formula wherein R 1 , R 2 and R 3 are aliphatic hydrocarbyl groups containing from about 7 to about 23 carbon atoms and (B)...
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6534452 |
Long-life lubricating oil with wear prevention capability
An industrial lubricant having wear prevention properties without sacrificing oxidation resistance comprises a major portion of a base oil; an effective amount of a sulfur and phosphorus antiwear...
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6521570 |
Automotive lubricant
An automotive lubricant comprising a white oil basestock and one or more additives, at least one additive being an antioxidant. The white oil basestock may be blended with mineral oil and/or...
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6503871 |
Power steering fluid additive
A fluid power steering gear ( 10 ) comprises a housing ( 16 ). A power steering fluid ( 34 ) is disposed within the housing ( 16 ). A seal ( 50 ) contains the power steering fluid ( 34 ) within...
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6426324 |
Lubricant composition
An antioxidant composition suitable for ester fluid lubricants is the reaction product of diphenylamine and N-aryl naphthylamine in the presence of an organic peroxide. The mole ratio of...
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6339051 |
Diesel engine cylinder oils
Diesel engine cylinder oils of improved cleanliness and load carrying ability and reduced port deposit characteristics for use in marine and stationary slow speed diesel engines are based on medium...
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6315925 |
Nonylated diphenylamines
The invention relates to a mixture of nonylated diphenylamines, especially dinonylated diphenylamines, and to a technically advantageous methodological process for the preparation of that mixture...
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6174842 |
Lubricants containing molybdenum compounds, phenates and diarylamines
There is disclosed a lubricating oil composition which contains from about 50 to 1000, preferably 50 to 500 parts per million of molybdenum from a molybdenum compound which is oil-soluble and...
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6159910 |
Aluminum nitride composition
An aluminum nitride composition including an aluminum nitride powder and an aromatic amine-based condensate is provided. In the composition, the aluminum nitride may hardly undergo decomposition...
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6150309 |
Lubricant formulations with dispersancy retention capability (law684)
The use of oil soluble organo molybdenum compounds in combination with phenolic or amenic antioxidants has been found to improve the dispersancy retention capability of crankcase lubricants. Thus...
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6143702 |
Lubricating oils of enhanced oxidation stability containing n-phenyl-naphthyl amines, or substituted derivatives of n-phenyl naphthyl amine and carbodiimide acid scavengers
Lubricating oils of enhanced oxidation stability are obtained by adding to the lubricating oil a mixture comprising n-phenyl-1-naphthyl amine and an acid scavenger such as carbodiimide.
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6121209 |
Synergistic antioxidant systems
The invention provides synergistic combinations of phosphorus acid-containing compounds with ashless antioxidants. These combinations dramatically improve the oxidation stability of lubricating...
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6066604 |
Vacuum pump oil
Disclosed is a vacuum pump oil, of which the base oil substantially comprises hydrocarbons having a molecular weight of not smaller than 300, and has a viscosity index of not smaller than 120 and a...
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5994277 |
Lubricating compositions with improved antioxidancy comprising added copper, a molybdenum containing compound, aromatic amine and ZDDP
Crankcase lubricant compositions for use in automobile or truck engines comprise a major amount of a lubricating oil, added copper present in oil-soluble form, at least 2 ppm of molybdenum present...
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5972854 |
Lubricating oil composition for automatic transmission
Disclosed is a lubricating oil composition for automatic transmissions, which comprises a base oil and additives of (A) a sulfur-containing antioxidant or an amine-type antioxidant, (B) a phosphate...
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5958286 |
Automatic transmission fluid composition
An automatic transmission fluid composition is provided which has significantly higher coefficients of dynamic friction (μd) and static friction (μs) than those of the conventional automatic...
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5955403 |
Sulphur-free, PAO-base lubricants with excellent anti-wear properties and superior thermal/oxidation stability
A sulfur free lubricating composition comprises a major portion of a synthetic base lubricating oil and a minor portion of a tri(alkyl phenyl) phosphate or di(alkylphenyl)phosphoric acid antiwear...
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5880073 |
Lubricating oil composition
A lubricating oil composition comprising (A) a base oil containing 3% by weight or less of aromatics, 20% by weight or more of monocyclic naphthenes, 50 ppm by weight or less of N and 50 ppm by...
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5840667 |
Bleach activators
A bleach composition comprises a peroxygen bleach source (for instance hydrogen peroxide, a perborate or a percarbonate salt) and an activator of the formula I: ##STR1## in which X is O or S; one...
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5756430 |
Mist oil lubricant
Mist oil lubricants are disclosed based on polycarboxylic acid esters as the base oil which have added 1 to 5% of polyisobutylene Mn 400-2500 as stray mist suppressants.
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5747432 |
Press molding oil and method of manufacturing press-molded products by using the same
In pressing and molding a shadow mask or the like, press-molding oil containing alkyl carbonate shown in the following Chemical Formula as an active ingredient is coated on a press mold. After...
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5738693 |
Detection of naphthylamines in mineral oils
A method for detecting naphthylamines which are present as tracers in mineral oils, wherein the naphthylamine is extracted by treating the mineral oil with an aqueous medium, and is coupled in the...
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5681797 |
Stable biodegradable lubricant compositions
An oxidatively stable, biodegradable lubricant composition is disclosed which comprises (A) a hydrogenated polyisoprene prepared by polymerizing isoprene such that polyisoprene is obtained...
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5658866 |
Lubricating oil compositions
The present invention provides a lubricating oil composition which comprises in combination with a base oil: (A) a 3-methyl-5-tert-butyl-4-hydroxyphenyl substituted fatty ester of the formula...
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5652204 |
Lubricating oil compositions containing specified end-capped polyethers
A polyether having the formula RX[(C x H 2x O) n (C y H 2y O) p Z] m (I) wherein: R is either an alkyl or alkyl phenyl group having from 7 to 30 carbon atoms, X is selected from O, S...
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5595964 |
Ashless, low phosphorus lubricant
A composition of an oil of lubricating viscosity, an antioxidant, an anti-nitration agent, and optionally a borated product of an epoxide or the reactive equivalent of an epoxide, provides a...
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5576275 |
Oil soluble polyalkylene glycols
A sequential block copolymer of the formula: R 1 X--[C y H 2y O) m )C x H 2x O) n --H](I) containing: (i) a moiety R 1 X derived from a starter molecule having at least one active hydrogen...
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5576274 |
Fuel and lubricant additives derived from dihydroxy-aromatic compounds
The present invention relates to a novel process for the production of fuel and lubricant additives useful as dispersants and multifunctional viscosity modifiers wherein a dihydroxyaromatic...
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5536427 |
Non-flammable electric discharge machining fluid including a block copolymer
A non-flammable electric discharge machining fluid for electric discharge machining which comprises a non-flammable water base solution, a block copolymer represented by the general formula:...
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5453210 |
Method of treating the products of combustion of landfill gas
Disclosed is a method of extending lubricant life and engine life in a gas engine that utilizes landfill gas which comprises treating deleterious landfill gas components and combustion products of...
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5413728 |
Process for operating a compressor heat pump or a compressor refrigeration system in which ammonia is used as the refrigerant
A process for operating a compressor heat pump or a compressor refrigeration system using ammonia as the refrigerant and a refrigerant compressor lubricated with a lubricant from the polyalkylene...
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