Matches 1 - 27 out of 27


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7884058 Stable colloidal suspensions and lubricating oil compositions containing same  
A stable colloidal suspension comprising: (a) a dispersed phase comprising a major amount of one or more dispersed hydrated polymeric compounds selected from the group consisting of...
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...
5672266 Treatment of organic compounds to reduce chlorine level  
The present invention relates to a process for reducing the chlorine content of an organochlorine compound comprising: introducing into the organochlorine compound, at least one Lewis acid to form...
5644001 Resin-free succinimides process of making, and compositions containing same  
This invention relates to novel pure hydrocarbyl succinylating agents, substantially pure derivatives thereof, to a method of preparation of pure substituted succinylating agents and their...
5641734 Biodegradable chain bar lubricant composition for chain saws  
A lubricant composition is described which is useful as a chain bar lubricant for chain saws. The composition comprises (A) at least one triglyceride wherein the ratio of the oleic acid...
5567344 Gel-free dispersant additives useful in oleaginous compositions, derived from functionalized and grafted alpha-olefin polymers  
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,...
5516849 Continuous process for producing adducted EPM or EPDM oil solution  
The present invention provides a continuous process for producing an adducted derivatized EPM or EPDM oil solution in which a grafted ethylene polymer is adducted with an antioxidant diamine for...
5314632 Combining dispersant viscosity index improver and detergent additives for lubricants  
Lubricants with enhanced viscosities are made from additives by combining dispersant viscosity index polymer, like dispersancy-substituted polyolefins, and detergent, like overbased, oil-soluble,...
5264139 Antioxidant dispersant antiwear VI improver additive and lubricating oil composition containing same  
A lubricating oil composition comprising (a) a major amount of a base oil having a lubricant viscosity, and (b) a minor amount of, as an antioxidant/dispersant antiwear VI improver additive, a...
5264140 Antioxidant-dispersant VI improver additive and lubricating oil composition containing same  
A lubricating oil composition comprising: (a) a major amount of a base oil having a lubricant viscosity; and (b) a minor amount of, as an antioxidant/dispersant VI improver additive, a lubricant...
5182041 Dispersant - anti-oxidant additive and lubricating oil composition containing same  
An additive composition comprising a graft and amine-derivatized polymer having an average molecular weight ranging from about 300 to 3500 which has been reacted with at least one olefinic...
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...
5049294 Modified dispersant V.I. improver  
Improved dispersant/VI improver luboil additives are produced by reacting a hydrogenated conjugated diene star polymer or block copolymer with an alpha, beta unsaturated carboxylic acid or...
5023005 Solution of oil and sulfone adduct  
A sulfone adduct which comprises the reaction product of: ##STR1## and an unsaturated hydrocarbon polymer wherein X is an alkyl group selected from the group consisting of Cn H2n +1, wherein n=1...
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...
4921625 Method for preparing functionalized block copolymers  
A process for incorporating carboxy and/or carboxyl derivative functionality into a hydrocarbon polymer which is substantially free of ethylenic unsaturation. The functionalization is accomplished...
4780228 Viscosity index improver--dispersant additive useful in oil compositions  
Hydrocarbon polymers such as ethylene copolymers may be reacted with unsaturated nitrogen-containing monomers or unsaturated carboxylic acids in the presence of a free radical catalyst such as a...
4737303 Sulfomaleation of organic molecules and polymers  
A covalently bonded reaction product of: (a) a sulfomaleic anhydride adduct with an unsaturated hydrocarbon polymer; and (b) a polar molecule containing at least one primary or secondary amino group.
4735736 Viscosity index improver-dispersant additive  
Oil soluble hydrocarbon polymers, useful as V.I. improvers, such as ethylene copolymer, preferably ethylene-propylene copolymer, are grafted with an unsaturated acid material, such as maleic...
4693838 Multifunctional viscosity index improver  
Hydrocarbon polymers such as ethylene copolymers may be reacted with unsaturated nitrogen-containing monomers or unsaturated carboxylic acids in a synthetic hydrocarbon lubricating oil in the...
4670173 Oil-soluble reaction products of an acylated reaction product, a polyamine, and mono-functional acid  
Oil-soluble compositions, useful as dispersant viscosity modifiers, are formed by the reaction product of an acylating product (D) a (F) polyamine, and a (G) mono-functional acid. The compositions...
4382009 Hydraulic fluid containing water and an α,ω-polybutadienedicarboxylic acid  
A hydraulic fluid comprising an oil and at least one butadine derivative selected from the group consisting of α,ω-polybutadienedicarboxylic acid, maleinized polybutadiene, hydrogenated...
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...
4141847 Star-shaped polymer reacted with dicarboxylic acid and amine as dispersant viscosity index improver  
Lubricating oil additives having both dispersant and viscosity index-improving properties are prepared by reacting a selectively hydrogenated star-shaped polymer having at least four arms of...
4120803 Lubricant composition containing a dispersant which is a condensation product of a copolymer, polyamine and a polycarboxylic acid  
Mono-alkenes, aliphatic conjugated dienes and unsaturated fatty acids or esters thereof copolymerize with a Friedel-Crafts catalyst to yield a copolymer containing carboxylic acid or ester groups...
4077893 Star-shaped dispersant viscosity index improver  
Lubricating oil additives having both dispersant and viscosity index-improving properties are prepared by reacting a selectively hydrogenated star-shaped polymer having at least four arms of...
4033888 Dispersant VI improver  
Lubricating oil additives having both dispersant and viscosity-index improving properties are prepared by reacting a block copolymer with maleic anhydride and an alkane polyol. The block copolymer...

Matches 1 - 27 out of 27