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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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7371713 |
Preparation of monomers for grafting to polyolefins, and lubricating oil compositions containing grafted copolymer
A graft copolymer containing one or more ethylenically-unsaturated, aliphatic or aromatic, nitrogen- and oxygen-containing graftable monomers grafted to a polyolefin is disclosed. Novel monomers,...
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7361629 |
Additives for lubricants and fuels
A multi-functional composition for use as an additive for fuels and lubricants. The composition includes an amination product of a hydrocarbyl substituted succinic acylating agent and a mixture...
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7214649 |
Hydrocarbyl dispersants including pendant polar functional groups
A dispersant composition for use as a lubricant additive. The dispersant composition includes a reaction product of an acrylamide and a compound having at least one primary or secondary amine group...
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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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7049273 |
Hybridized olefin copolymer additives
This invention relates to a novel multi-functional fuel and lubricant additive that provides dispersancy properties as well as viscosity index improver credit and, improved fuel economy. The...
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7034079 |
Radial polymers prepared by stabilized free radical polymerization
A process for preparing a radial polymer comprising at least 3 polymeric arms and a central core comprising a polymerized di- or polyfunctional monomer, said process comprising the steps,
...
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6906011 |
Polymeric dispersants prepared from copolymers of low molecular weight polyisobutene and unsaturated acidic reagent
This invention is directed to a new low molecular weight copolymer (The PIB/UAR copolymer) that may be prepared by reacting a low molecular weight polyisobutene (PIB) having less than about 32...
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6869919 |
Lubricating oil compositions
Soot induced kinematic viscosity increase of lubricating oil compositions for diesel engines equipped with EGR systems can be ameliorated by selection of viscosity modifier, lubricating oil flow...
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6743757 |
Dispersants and lubricating oil compositions containing same
A dispersant that is a reaction product of a polyalkenyl-substituted mono- or dicarboxylic acid, anhydride or ester; and a polyamine, wherein the reaction product has from greater than about 1.3 to...
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6696393 |
Methods and compositions for reducing wear in internal combustion engines lubricated with a low phosphorus content lubricating oil
Disclosed are methods and lubricant compositions for reducing wear in internal combustion engines lubricated with a low phosphorus content lubricating oil. The lubricant compositions of this...
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6638897 |
Lubricant oil composition for internal combustion engines (law859)
The lubricating oil of the present invention exhibits an excellent effect of agglomerating solid impurity particles it contains to a sufficiently large size as to be captured and removed by an oil...
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6544935 |
Nitrogen-containing esterified carboxy-containing interpolymers having enhanced oxidative stability and lubricants containing them
A nitrogen-containing ester derived from a carboxy-containing interpolymer having a reduced specific viscosity (RSV) of from about 0.05 to about 2, said interpolymer being derived from at least two...
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6492306 |
Nitrogen containing dispersant-viscosity improvers
A composition comprising a hydrocarbon polymer having attached thereto pendant groups A a and B b wherein each A is independently selected from members of the group consisting of: groups of the...
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6486101 |
Nitrogen containing dispersant-viscosity improvers
A composition comprising a hydrocarbon polymer having {overscore (M)} n ranging from 20,000 to about 500,000, when the polymer is not a star polymer, and up to about GPC peak molecular weight of...
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6355603 |
Thermal conversion products comprised of maleic anhydride and oligoalkenes, derivatives of the thermal conversion products with amines or alcohols and the use thereof
Thermal reaction products of maleic anhydride and oligoalkenes are obtainable by oligomerization of linear C 8 - to C 12 -1-alkenes, preferably in the presence of a titanium, zirconium or hafnium...
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6300288 |
Functionalized polymer as grease additive
A grease of an oil of lubricating viscosity, a polyolefin having grafted acid functionality, a metallic species capable of interacting with the acid functionality of said polyolefin to cause...
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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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6255258 |
Dispersant additive
An oil-soluble dispersant obtainable by reacting the reaction product of a polyamine and a long-chain hydrocarbyl-substituted dicarboxylic acid, anhydride or ester thereof with a polyanhydride,...
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6127322 |
Dispersant additives
The reaction product of (i) an oligomer formed from one monomer or two or more different monomers, the or each monomer being an ethylenically unsaturated compound and said oligomer or each of said...
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6077455 |
Automatic transmission fluid of improved viscometric properties
This invention provides compositions and methods for producing automatic transmission fluids capable of improved viscometric properties and capable of achieving -40° C. Brookfield viscosities not...
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6030929 |
Mixed carboxylic compositions and derivatives and use as lubricating oil and fuel additives
A carboxylic composition comprising a mixture of hydrocarbon substituted carboxylic acylating agents, said mixture comprising (A) a polyolefin substituted carboxylic acylating agent prepared by...
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5958848 |
Low chlorine, low ash crankcase lubricant
Multigrade crankcase lubricants having low concentrations of chlorine and sulphated ash use multifunctional viscosity modifiers in place of conventional chlorine-containing dispersants. The...
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5866519 |
Automatic transmission fluids of improved viscometric properties
This invention provides a composition and method for producing partial synthetic automatic transmission fluids having improved shear-stability and low temperature properties without the need to...
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5851966 |
Reaction products of substituted carboxylic acylating agents and carboxylic reactants for use in fuels and lubricants
Compositions of matter for use in oils and fuels are disclosed. The compositions arise from reaction products (C) formed by reacting substituted carboxylic acylating agents (A) with carboxylic...
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5811378 |
Metal containing dispersant-viscosity improvers for lubricating oils
A composition of matter suitable for use as a dispersant-viscosity improver for lubricating oil compositions comprises the reaction product of reactants comprising (a) a hydrocarbon polymer...
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5792730 |
Lubricating oil succinimide dispersants derived from heavy polyamine
A succinimide dispersant, which is the reaction product of hydrocarbons or polymers functionalized by halogenation (e.g. chlorination), thermal "ene" reaction or free radical grafting and...
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5744429 |
Mixed ethylene alpha olefin copolymer multifunctional viscosity modifiers useful in lube oil compositions
The present invention relates to novel multifunctional viscosity modifiers comprising a mixture of derivatized ethylene-alpha olefin copolymers, A and B. Said A copolymer comprising from about 30...
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5719108 |
Lubricating oil additives
Dispersant/VI improvers for lubricating oil compositions are disclosed which comprise the reaction product of (a) a copolymer of octadecene-1 and maleic anhydride, the copolymer having a number...
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5712230 |
Additive compositions having reduced sulfur contents for lubricants and functional fluids
This invention relates to a composition, comprising: (AT) reaction products of compounds represented by the formula (A)and compounds selected to reduce the polysulfide components of (A); and...
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5705603 |
Polyetheramines with polymers of α, β-unsaturated dicarboxylic acids
The invention relates to reaction products of polyetheramines with polymers containing dicarboxylic anhydride groups, which contain 20-80, preferably 40-60, mol % of bivalent structural units A...
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5641733 |
Automatic transmission fluids of improved viscometric properties
This invention provides compositions and methods for producing partial synthetic automatic transmission fluids capable of improved viscometric properties and capable of achieving -40° C....
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5625004 |
Two-step thermal process for the preparation of alkenyl succinic anhydride
A process for the preparation of an alkenyl-substituted succinic anhydride wherein the alkenyl substituent has a number average molecular weight of from about 500 to 5000 and the average number of...
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5484543 |
Amide containing friction modifier for use in power transmission fluids
Friction modifier additives useful in power transmission compositions, particularly automatic transmission fluids, is disclosed. The additive comprises Component-1 alone formed by condensing a...
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5466387 |
Oil-soluble adducts of disuccinimides and anhydrides of unsaturated bicarboxylic aliphatic acids
Oil-soluble additives with dispersant properties inert towards fluoroelastomers are described, prepared by reacting an alkyl or alkenyl disuccinimide with an anhydride of an unsaturated...
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5464549 |
Oil soluble dispersants suitable for use in fuels and lubricants
The dispersants are formed by reacting (a) at least one dispersant having at least one primary or secondary amino group and/or at least one hydroxyl group, with (b) at least one polyolefinic...
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5454962 |
Fluoroelastomer-friendly crankcase and drivetrain lubricants and their use
Dispersancy and fluoroelastomer seal compatibility are achieved by use in the lubricant of a dispersing amount of a product made by reacting aminoguanidine or a basic salt thereof with a...
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5427703 |
Process for the preparation of polar lubricating base oils
Process for the preparation of a polar lubricating base oil, including reacting a hydrocarbonaceous product with a polar compound, including at least one heteroatom and which hydrocarbonaceous...
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5427700 |
Functional fluid with triglycerides, detergent-inhibitor additives and viscosity modifying additives
A functional fluid is disclosed which comprises (A) at least one triglyceride; (B) at least one detergent-inhibitor additive; and (C) at least one viscosity modifying additive and further...
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5393441 |
Two-cycle oil additive
Briefly stated, the present invention comprises novel compounds useful as two-cycle oil additives obtained by reacting an alkyl acrylamide with a compound selected from the group consisting of...
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5371130 |
Polymer compositions of improved compatibility in oil
A composition of an oil-soluble, olefin-based polymer and an oil-soluble polar polymer having nitrogen functionality, wherein the polymers in combination in oil exhibit incompatibility as evidenced...
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5368757 |
Lubrication for cold forming of metals
An effective lubricant for cold working of metals is provided by a combination of a water soluble copolymer of styrene with maleic anhydride, maleic acid, and/or an ammonium or substituted ammonium...
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5336439 |
Salt compositions and concentrates for use in explosive emulsions
The present invention provides for a novel salt composition comprising: (A) at least one salt moiety derived from (A)(I) at least one high-molecular weight hydrocarbyl-substituted polycarboxylic...
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5328624 |
Stabilized grafted ethylene copolymer additive useful in oil compositions
Oil-soluble, derivatized ethylene copolymers derived from about 15 to 90 wt. % ethylene, and one or more C 3 to C 28 alpha-olefins, e.g. propylene, which are grafted, preferably solution-grafted...
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5292444 |
Lube oil compositions containing fullerene-grafted polymers
This invention relates to novel compositions of matter that are lube oils comprising an oil/hydrocarbon soluble fullerene grafted amine-containing polymers and a suitable base oil and, optionally...
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5282991 |
Friction modified oleaginous concentrates of improved stability
According to the present invention, oleaginous compositions having improved storage stability properties are provided, which comprise a combination of ashless dispersants, friction modifier and...
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5259967 |
Low ash lubricant composition
A lubricating oil composition providing less than 1% sulfated ash comprises an additive package of a carboxylic dispersant, a rust inhibiting mixture, a hydrocarbyl substituted phenol prepared...
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5241003 |
Ashless dispersants formed from substituted acylating agents and their production and use
Succinimides, succinic esters, and succinic ester-amides are formed by (A) reacting (i) at least one substantially aliphatic polymer of at least one lower olefin, and (ii) an acidic reactant or a...
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5238466 |
Fuel additives derived from amido-amines
The present invention is directed to a fuel additive comprising at least one adduct of (A) a polyolefin of 300 to 10,000 number average molecular weight substituted with at least 0.3 (e.g., from...
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5230817 |
Polyanhydride modified adducts or reactants and oleaginous compositions containing same
An oil soluble dispersant additive useful in oleaginous compositions selected from fuels and lubricating oils comprising the reaction products of: (i) at least one intermediate adduct comprised...
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