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7585821 |
Modified detergents and lubricating oil compositions containing same
A modified lubricating oil detergent that is the reaction product of an oil soluble detergent comprising an alkali- or alkaline earth metal hydrocarbyl phenate, carboxylate or sulfonate and an α,...
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7137401 |
Drag reduction using maleated fatty acids
Non-polymeric drag reducing agents in the form of maleated fatty acids and the esters thereof and the organic, inorganic or amine salts thereof are described herein. These additives are useful to...
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6844299 |
Polyol ester derivatives of polyamines and use in turbine oils to improve cleanliness
This invention generally relates to new polyol ester derivatives of polyamines for use as dispersant additives compatible in synthetic ester-based turbo oils. The dispersant additives of the...
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6818601 |
Dispersant-viscosity improvers for lubricating oil compositions
A composition of matter suitable for use as a dispersant-viscosity improver for lubricating oil compositions comprises the reaction product of reactants comprising (a) hydrocarbon polymer grafted...
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6559105 |
Lubricant compositions containing ester-substituted hindered phenol antioxidants
A composition of an antioxidant of the formula where R 3 is an alkyl group of 2 to 6 carbon atoms, and a dispersant or a detergent, is a useful additive package for lubricant compositions.
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6265359 |
Imide-Diurea and imide-urethane urea grease thickeners and organic solvent free process for preparation thereof
An organic solvent free process for the preparation of a grease thickener which is at least one of an imide-diurea and an imide-urethane urea includes (a) providing approximately equimolar amounts...
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6107258 |
Functionalized olefin copolymer additives
This invention relates to a novel multi-functional fuel and lubricant additive that provides dispersancy properties as well as viscosity index improved credit, improved fuel economy and low...
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5756428 |
High functionality low molecular weight oil soluble dispersant additives useful in oleaginous composition
Hydrocarbyl substituted C 4 to C 10 monounsaturated dicarboxylic acid, anhydrides or esters, e.g. polyisobutenyl succinic anhydride, preferably made by reacting polymer of C 2 to C 10 ...
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5612296 |
Ashless dispersants their preparation and their use
Ashless dispersants are formed using polymers of propylene characterized in that they are liquid substantially linear polymers, they have stereo-irregularity in the polymer chain, at least 60 mol...
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5334318 |
Compositions containing active sulfur
Nitrogen containing carboxylic compounds useful in reducing hydrogen sulfide are described herein. The compositions of the invention also desirably contain an alkali or alkaline earth metal...
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5169409 |
Polymer modified hydroxyalkylene substituted polyamines as lubricant and fuel additives
Reaction products which provide antioxidant properties to lubricants and fuels while serving as effective dispersants and detergents in these mediums. These products, of the reaction of a...
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5055213 |
Additives to lubricants resulting from the condensation of an alkylene polyamine with a copolymer containing vicinal carboxylic groups
The invention relates to additives to lubricants resulting from the condensation of a primary or secondary amine and/or of an alkylene polyamine with a copolymer containing vicinal carboxylic...
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4952328 |
Lubricating oil compositions
A lubricating oil formulation is described which is useful in internal combustion engines. More particularly, lubricating oil compositions for internal combustion engines are described with...
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4940552 |
Passivation of polyamine dispersants toward fluorohydrocarbon compositions
Dispersants containing basic amine groups are passivated toward fluorohydrocarbon compositions by reaction with a passivating amount of a dicarboxylic acid or anhydride.
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4863624 |
Dispersant additives mixtures for oleaginous compositions
Novel dispersant mixtures are provided, having improved lubricating oil performance characteristics, comprising nitrogen or ester containing dispersants selected from the group consisting of oil...
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4747964 |
Dispersing additive compositions for lubricating oils and their manufacture
New dispersing additive compositions for lubricating oils, an object of the invention, have an improved efficiency. Said compositions may be either (1) the products obtained by reacting...
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4731095 |
Nitrogen containing copolymers useful as additives for lowering the cloud point of hydrocarbon middle distillates and compositions containing them
Copolymers with nitrogen groups are used as additives to lower the cloud point and improve the filterability limit temperature and the pour point of middle distillates such as gas oils. They are...
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4664676 |
Additives compositions useful in particular for improving the cold filterability properties of oil middle distillates
Additive compositions, useful in particular for improving the cold filterability properties of oil middle distillates, comprise: (A) at least one ethylene polymer; and (B) at least one...
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4566983 |
Combination of carboxylic acylating agents substituted with olefin polymers of high and low molecular weight mono-olefins, derivatives thereof, and fuels and lubricants containing same
A composition comprising (A) the reaction product of (A)(1) one or more alpha-beta olefinically unsaturated carboxylic acid reagents containing 2 to about 20 carbon atoms exclusive of the...
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4522736 |
Products of reaction involving alkenylsuccinic anhydrides with aminoalcohols and aromatic secondary amines and lubricants containing same
It has been found that products made by reacting a polyalkenylsuccinic compound with an aromatic secondary amine or hindered phenol containing a hydroxyalkyl group, followed by reaction with an...
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4481125 |
Water-based hydraulic fluid
Water-based hydraulic fluid for use in industrial hydraulic systems comprising (1) a polyether-based thickener, (2) a lubricant modifier (3) a dispersant, (4) an EP additive, and (5) water....
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4435297 |
Carboxylic acid derivatives of alkanol tertiary monoamines
Nitrogen-containing phosphorus-free carboxylic acid derivatives made by reaction of an acylating agent with an alkanol tertiary monoamine are described. Typically the carboxylic acylating agent is...
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4401581 |
Nitrogen-containing ashless dispersants and lubricating oil composition containing same
Lubricating oil dispersants are made by reacting an (a) alkenyl succinic anhydride, (b) an alcohol (e.g. pentaerythritol), (c) a hydroxy-substituted amine (e.g. tris-hydroxymethylaminomethane, (d)...
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4368133 |
Aqueous systems containing nitrogen-containing, phosphorous-free carboxylic solubilizer/surfactant additives
Combinations of carboxylic solubilizers, made by reaction of an acylating agent with an N-(hydroxyl-substituted hydrocarbyl) amine and surfactants are useful in incorporating oil-soluble,...
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4161452 |
Polyolefinic copolymer additives for lubricants and fuels
Graft copolymers wherein the backbone polymer is a polymeric hydrocarbon such as ethylene/propylene copolymer and the grafted units are the residues of an addition copolymerizable monomer system...
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4127493 |
Polyester lubricant additives, their preparation and compositions containing them
Polyesters suitable for use as lubricant additives are prepared by reacting a di-carboxylic acid or anhydride having a branched chain alkyl or alkenyl substituent containing at least 30 carbon...
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4089794 |
Polymeric additives for fuels and lubricants
Ethylene copolymers derived from about 2 to 98 wt. % ethylene, and one or more C 3 to C 28 alpha olefins, e.g. ethylene-propylene, are solution-grafted under an inert atmosphere and at elevated...
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4086173 |
Lubricant compositions containing multifunctional additives
Lubricant compositions containing a dispersancy improving and antirust amount of the product obtained by reacting an alkenylsuccinic anhydride having from about 20 to about 500 carbon atoms with a...
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4048080 |
Lubricating oil composition
A lubricating oil composition containing an amine-alkenylsuccinic acid or anhydride reaction product in which the alkenyl radical has a molecular weight ranging from about 250 to 3000.
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3676483 |
DISPERSANTS PREPARED FROM POLYAMINES AND ALKARYL CARBOXYLIC ACIDS
An oil-soluble additive useful for improving the properties of a fuel oil, a lubricating oil, a heating oil, a gasoline or the like is prepared by heating an aliphatic polyamine or amino alcohol...
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3458444 |
RUST INHIBITING COMPOSITION
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3442808 |
LUBRICATING OIL ADDITIVES
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3429674 |
OIL-SOLUBLE NITROGEN COMPOSITION
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3426062 |
REACTION PRODUCT OF POLYHALOPOLYHYDROPOLYCYCLICDICARBOXYLIC ACIDS,ANHYDRIDES OR ESTERS THEREOF WITH N,N-DICYCLOALKYL-ALKANOLAMINE
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3368971 |
Lubricating oil compositions
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3366569 |
Lubricating compositions containing the reaction product of a substituted succinic acid-producing compound, an amino compound, and an alkenyl cyanide
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3362906 |
Use of reaction product of certain acid and alkanolamine
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3359204 |
Lubricating oil dispersant
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3281357 |
Process for preparing nitrogen and aluminum containing compositions
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3184474 |
Reaction product of alkenyl succinic acid or anhydride with polyamine and polyhydricmaterial
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2974024 |
Stabilized hydrocarbon distillate
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3632511 |
Title is not available
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3576743 |
Title is not available
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