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7514393 |
Preparation of functional monomers for grafting to low molecular weight polyalkenes and their use in the preparation of dispersants and lubricating oil compositions containing dispersant polyalkenes
A polyalkene dispersant comprised of low MW polyalkene having an average molecular weight range of about 300 to about 10,000 and an ethylenically-unsaturated, aliphatic or aromatic, nitrogen- and...
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7494961 |
Polyphenolics as lubricant oil additives
A process for preparing an oligomeric phenolic detergent composition comprising contacting an oil soluble alkylphenol with an alkaline earth metal base, an alpha amino acid, and a C 1 to C 6 ...
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7485603 |
Soot dispersants and lubricating oil compositions containing same
Linked aromatic compounds found to act as potent soot dispersants in lubricating oil compositions; lubricating oil compositions containing such soot dispersants and precursor compounds from which...
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7407917 |
Lubricating oil composition for automatic transmissions
An additive compound comprising a non-borated and/or borated reaction product, in which the reaction product is obtained by reacting a linear or branched, saturated or unsaturated monovalent...
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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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7273833 |
Water-soluble lubricant for warm or hot metal forming
This invention relates to a water-soluble lubricant for warm or hot metal forming, comprising a high polymer compound which comprises an imide group, which has a weight-average molecular weight of...
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7264646 |
Lubricant system for use in powdered metals
The present invention provides a lubricant system in the pressing of powders to form a part. The lubricant system is a solid at ambient conditions. However, upon application of pressure during the...
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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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6916767 |
Antioxidant amines based on n-(4aniliophenyl) amides antioxidant amines based on n-(4-anilinophenyl) amides
A composition of matter is disclosed wherein the composition comprises an N-aromatic substituted acid amide compound selected from the group consisting of compounds of formula (I) wherein A and B...
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6872235 |
Iron powder composition
The invention concerns a method of preparing an iron-based powder comprising the steps of mixing and heating an iron-based powder, at least one oligomer amide type lubricant, at least one fatty...
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6846783 |
Acylatign agents and dispersants for lubricating oil and fuels
Hydrocarbyl substituted carboxylic compositions and derivatives thereof useful as additives for lubricating oil and fuel compositions. Carboxylic composition are derived from (A) an olefinically...
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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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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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6511945 |
Lubricant powder for powder metallurgy
The invention concerns new lubricants comprising a combination of a polyethylene oxide and an oligomer amide and an improved metallurgical powder composition comprising a major amount of an...
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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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6444622 |
Friction modified lubricants
Mixtures of the reaction product of at least one C 5 -C 60 carboxylic acid and at least one amine selected from the group consisting of guanidine, aminoguanidine, urea, thioruea and salts thereof...
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6395687 |
Method of lubricating a die cavity and method of making metal-based components using an external lubricant
A method is provided for lubricating a die cavity that includes applying a lubricant composition containing a high melting point polymeric wax lubricant to the wall of a die cavity. Preferably, the...
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6284716 |
Copolymers and their reaction products with amines as fuel and lubricant additives
Copolymers I carrying functional groups and comprising a) 20-60 mol % of at least one monoethylenically unsaturated C 4 -C 6 -dicarboxylic acid or an anhydride thereof, b) 10-70 mol % of at...
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6258761 |
Lubricating oil additives
A composition prepared by reacting (A) an esterified carboxy-containing interpolymer, said interpolymer being derived from at least two monomers, (i) one of said monomers being at least one...
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6211122 |
Carboxylic compositions and derivatives thereof and use as lubricating oil and fuel additives
A carboxylic composition comprising hydrocarbon substituted carboxylic acylating agents prepared by reacting a polyolefin and a terpolymer, simultaneously or individually in any order, with at...
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6133206 |
Lubricating oil additives
A compound comprising i) 20-80 mol % of at least one monoethylenically unsaturated dicarboxylic acid or anhydride thereof, ii) 5-30 mol % of at least one unsaturated oligomer of an optionally...
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6127325 |
Viscosity index improver, process for preparing the same and lubricating oil composition
A viscosity index improver for addition to lubricating oil or the like, which comprises a graft copolymer having structural units of an oil-soluble polymer (a) comprising an olefin polymer and...
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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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6107257 |
Highly grafted, multi-functional olefin copolymer VI modifiers
A novel additive comprising a highly grafted, multi-functional olefin copolymer comprising a graft and amine-derivatized copolymer prepared from ethylene and at least one C 3 to C 23 ...
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6071862 |
Lubricating oil additives
A composition, comprising from about 20% to about 80% by weight of a diluent, prepared by reacting a mixture comprising (A) an esterified carboxy-containing interpolymer, said interpolymer being...
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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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6025309 |
Polymeric acetals of hydroxycarboxylic acids and their derivatives, and a process for their preparation
The present invention relates to polymeric acetals containing the recurring structural unit (I) ##STR1## where the substituents and numbers are as defined in the description. These polymeric...
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5906970 |
Additives and oleaginous compositions containing a dendrine coldflow improver additive
A dendrimer-based cold flow additive material.
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5880070 |
Cross-linked succinimides from an acid derivative, a polyamine, and a polycarboxylic acid derivative
A polyalkylene succinimide composition prepared by reacting a mixture of an acid derivative, a polycarboxylic acid derivative; and a polyamine under reactive conditions. The acid derivative can be...
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5872084 |
Dispersants derived from heavy polyamine and second amine
A Koch functionalized product, which is the reaction product of at least one hydrocarbon with carbon monoxide and a nucleophilic trapping agent, is derivatized with a heavy polyamine and a second...
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5856279 |
Acylated nitrogen compounds useful as additives for lubricating oil and fuel compositions
A process for reacting certain carboxylic reactants and at least one aldehyde or ketone with olefinic compounds then reacting the product prepared thereby with ammonia, a hydrazine or an amine,...
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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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5843873 |
Lubricants and fluids containing thiocarbamates and phosphorus
Lubricants containing a compound of the structure R 1 R 2 N--C(X')S--(CR 3 R 4 ) a Y where X' is an oxygen or sulfur atom and Y is, e.g., an activating group; also containing a phosphorus...
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5827805 |
Condensates of alkyl phenols and glyoxal and products derived therefrom
Compositions represented by the structures ##STR1## where Ar represents an aromatic group, each R is independently a hydrocarbyl group, at least one R having more than 12 carbon atoms, a is 1 to 4,...
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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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5789355 |
Low volatility lubricating compositions
This invention relates to low volatility 5W20, 5W30, 10W40, 10W50, 15W40 or 15W50 multigrade oils for crankcase lubrication of gasoline and diesel engines, the oils comprising: a) basestock...
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5759967 |
Ethylene α-olefin/diene interpolymer-substituted carboxylic acid dispersant additives
The present invention is directed to an oil-soluble lubricating oil additive comprising at least one terminally unsaturated ethylene/alpha-olefin/diene interpolymer of 300 to 20,000 number average...
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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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5750640 |
Oil-soluble reaction products of polyenes
The invention provides reaction products of: (A) an acylating reagent, with (D) a polyalkenyl derivative of an ethylenically unsaturated carboxylic reagent (C), and (E) a polyamine...
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5747596 |
Gel-free alpha-olefin dispersant additives useful in oleaginous compositions
Gel-free dispersant additives for lubricating and fuel oil compositions comprise at least one adduct of (A) α-olefin homopolymer or interpolymer of 700 to 10,000 number average molecular weight,...
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5744433 |
Metal powder composition for warm compaction and method for producing sintered products
A lubricant for metallurgical powder compositions contains an oligomer of amide type, which has a weight-average molecular weight M w of 30,000 at the most. A metal-powder composition containing...
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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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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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5681799 |
Ethylene alpha-olefin/diene interpolymer-substituted carboxylic acid dispersant additives
The present invention is directed to an oil-soluble lubricating oil additive comprising at least one terminally unsaturated ethylene/alpha-olefin/diene interpolymer of 300 to 20,000 number average...
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5672640 |
Polypropylene compatible grease compositions for optical fiber cable
A grease composition for use as a cable filling material which contains about 25 to 75 parts by weight of castor oil or a ricinoleate polyol, about 13 to 71 parts by weight of a hydroxy-terminated...
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5670462 |
Lubricating oil additives
A process is disclosed which comprises reacting at elevated temperature (a) a copolymer of an olefin and a monomer having the structure ##STR1## wherein X and X 1 are the same or different...
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5670081 |
Salt compositions and functional fluids using same
Salt compositions are disclosed which comprise: (A) at least one salt moiety derived from: A) at least one salt moiety derived from (A)(I) at least one high-molecular weight polycarboxylic...
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5643859 |
Derivatives of polyamines with one primary amine and secondary of tertiary amines
A dispersant derivatized from a functionalized hydrocarbon and a polyamine having one primary amine and 1-10, preferably 3-8 secondary or tertiary amines; preferably where said functionalized...
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5639718 |
Multifunctional viscosity modifiers for lubricating oil compositions with improved dispersancy and antioxidancy derived from adducts of quinone
An oil-soluble lubricating oil and fuel additive, useful as a multifunctional viscosity modifier comprising succinimide and other amine-containing polymers reacted with a quinone or substituted...
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