Assignee: Ethyl Petroleum Additives, Inc.

Location: Richmond, VA
No. of patents: 38

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Number	Title	Issue Date
7862628	Mixed metal catalyst additive and method for use in hydrocarbonaceous fuel combustion system A hydrocarbonaceous fuel additive, fuel composition, and method all lower both carbon particulate emissions and improve slag properties in combustion systems including, for instance, utility furnaces and boiler systems. The mixed metal catalyst may include a transit...	01/04/2011
7276094	Mixed metal catalyst additive and method for use in hydrocarbonaceous fuel combustion system A hydrocarbonaceous fuel additive, fuel composition, and method all lower both carbon particulate emissions and improve slag properties in combustion systems including, for instance, utility furnaces and boiler systems. The mixed metal catalyst may include a transit...	10/02/2007
6238446	Unleaded aviation gasoline Unleaded aviation gasolines having heats of combustion and octane qualities deemed necessary for use under actual service conditions are formed from blends of specified proportions of aviation alkylate, ether blending agent, a cyclopentadienyl manganese t...	05/29/2001
6187064	Unleaded aviation gasoline Unleaded aviation gasolines of enhanced properties are described. They satisfy at least the octane and heat content specifications of ASTM D 910-90. Also described are unleaded aviation gasolines which satisfy all of the specifications of ASTM D 910-90. T...	02/13/2001
5942470	Lubricant compositions Gear oils and gear oil additive concentrates of enhanced positraction performance are described. They comprise: (i) at least one oil-soluble sulfur-containing extreme pressure or antiwear agent; (ii) at least one oil-soluble amine salt of a partial ester ...	08/24/1999
5817605	Automatic transmission and wet brake fluids and additive package therefor Oil-based functional fluid compositions formulated for use as automatic transmission fluid, fluid for a wet brake system, or a friction-depending lubricant are improved by including in the composition a minor amount of at least one alcohol or polyol havin...	10/06/1998
5652201	Lubricating oil compositions and concentrates and the use thereof Oleaginous compositions and additive concentrates therefor having enhanced performance characteristics comprise a) at least one oil-soluble overbased alkali or alkaline earth metal-containing detergent having a TBN of at least 200; and b) one or more oil-...	07/29/1997
5534174	Graft copolymer comprising a star-shaped polymer and an n-allyl amide Graft copolymers of a star-shaped polymer and an N-allyl amide manifest dispersant and viscosity index-improving properties....	07/09/1996
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 hydrocarbyl-substituted succinic acid or anhydride in a mole ratio o...	10/03/1995
5441656	Automatic transmission fluids and additives therefor An effective way is described for overcoming the shudder problem associated with continuous slip torque converter clutches for use in automatic transmissions, especially shudder which occurs with new friction materials before break-in. To do this, an ATF ...	08/15/1995
5439606	Modified succinimide or succinamide dispersants and their production Preconditioned automatic transmission fluids are made by using a preblend formed by heating an alkenyl succinimide or succinamide dispersant with a phosphorus ester and water to partially hydrolyze the ester and then mixing the preblend and other additive...	08/08/1995
5410088	Process for sulfurized olefinic product A process for preparing, in high yield, a sulfurized olefinic product for use in lubricating oil compositions having a low chlorine content, a sulfur content of from about 40 to about 50 weight percent and a viscosity at 100° C. of less than about 20 cSt...	04/25/1995
5403960	Process for sulfurized olefinic product A process for preparing, in high yield, a sulfurized olefinic product for use in lubricating oil compositions having a chlorine content of less than about 1000 ppm, a sulfur content of from about 40 to about 50 weight percent and a viscosity at 100° C. o...	04/04/1995
5389273	Modified succinimide or succinamide dispersants and their production Preconditioned automatic transmission fluids are made by using a preblend formed by heating an alkenyl succinimide or succinamide dispersant with a phosphorus ester and water to partially hydrolyze the ester and then mixing the preblend and other additive...	02/14/1995
5387346	Automatic transmission fluids and additives therefor A lubricant composition especially adapted for use as an automatic transmission fluid, which composition consists essentially of: a) from 50 to 85 weight percent of a mineral oil having a viscosity at 100° C. in the range of 3 to 5 centistokes; b) from 5...	02/07/1995
5385588	Enhanced hydrocarbonaceous additive concentrate This invention relates to a method for enhancing an additive concentrate package so as to improve its shelf-life stability comprising forming an additive concentrate containing (i) a major amount of detergent/dispersant and (ii) a minor amount of demulsif...	01/31/1995
5384054	Process for metal salts of hydrocarbyl dithiophosphoric acid This invention relates to a process for the production of overbased metal salts of hydrocarbyl dithiophosphoric acid comprising: a) treating hydrocarbyl dithiophosphoric acid with an effective amount of phosphorus sulfide at a temperature within the range of f...	01/24/1995
5380448	Process for metal salts of hydrocarbyl dithiophosphoric acid This invention relates to a process for preparing an overbased metal salt of hydrocarbyl dithiophosphoric acid comprising neutralizing hydrocarbyl dithiophosphoric acid with an amount of metal oxide sufficient to form said overbased metal salt of hydrocar...	01/10/1995
5372735	Automatic transmission fluids and additives therefor An effective way is described for overcoming the shudder problem associated with continuous slip torque converter clutches for use in automatic transmissions, especially shudder which occurs with new friction materials before break-in. To do this, an ATF ...	12/13/1994
5360562	Ashless or low-ash synthetic base compositions and additives therefor An ashless or low-ash oleaginous liquid composition comprising a major amount of hydrogenated poly-଱-olefin oligomer fluid having a viscosity in the range of about 2 to about 10 cSt at 100° C., and minor amounts of at least the following: A) hydrog...	11/01/1994
5344579	Friction modifier compositions and their use A new friction modifier system is described. It has the capability of establishing and maintaining a substantially constant static breakaway coefficient of friction between a pair of friction surfaces that are periodically frictionally engaged with each o...	09/06/1994
5344468	Organic phosphates and their use as wear inhibitors Compositions comprising a hydrocarbonaceous middle distillate fuel and a minor wear-inhibiting amount of a combination of (i) at least one fuel-soluble aryl phosphate of the formula (RO)3 PO wherein each R is, independently, phenyl or an alkyl-subst...	09/06/1994
5344951	Production of alkyl phosphites This invention relates to an improved process for producing diesters of phosphorous acid. The process comprises (a) reacting phosphorous acid with monohydric alcohol in a petroleum distillate solvent while maintaining a reaction mass temperature within th...	09/06/1994
5326485	Low ash lubricating oil compositions Lubricant and functional fluids, and additive concentrates, are composed of a) at least one overbased zinc dialkyldithiophosphate characterized in that (i) each of the alkyl groups is a primary alkyl group containing from 6 to 10 carbon atoms, (ii) the ov...	07/05/1994
5312555	Succinimides A product formed by reacting at least one acyclic hydrocarbyl substituted succinic acylating agent such as polyisobutenyl succinic anhydride with at least one N-(alkoxy-alkyl) alkanediamine such as N-(isodecyloxypropyl)-1,3-diaminopropane is effective as ...	05/17/1994
5279626	Enhanced fuel additive concentrate This invention relates to a method for enhancing a fuel additive package so as to improve the shelf-life of the package comprising forming a fuel additive package containing (i) a major amount of detergent/dispersant and (ii) a minor amount of demulsifier...	01/18/1994
5256324	Modified succinimide or succinamide dispersants and their production Preconditioned automatic transmission fluids are made by using a preblend formed by heating an alkenyl succinimide or succinamide dispersant with a phosphorus ester and water to partially hydrolyze the ester and then mixing the preblend and other additive...	10/26/1993
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 mixture of two or more acidic reactants represented by the ...	08/31/1993
5225093	Gear oil additive compositions and gear oils containing the same Gear oil additive concentrates and lubricant compositions containing a combination of additives which minimize noise and vibration that occasionally develop in limited slip axles. The additive combinations include (i) an oil-soluble succinimide of the for...	07/06/1993
5215547	Middle distillate fuels and additives therefor This invention relates to novel hexahydrotriazine compounds, a process for their production and their use as additives for fuels and oleaginous fluids....	06/01/1993
5180510	Antioxidant additive and lubricating oil containing same An additive for improving the antioxidation properties of lubricating oil is made by reacting a sulfur halide selected from sulfur monochloride or sulfur dichloride with an aliphatic monoolefin (e.g. isobutene) to form an adduct, reacting the adduct thus ...	01/19/1993
5176840	Gear oil additive composition and gear oil containing the same Gear oil additive concentrates and lubricant compositions containing a combination of additives which minimize noise and vibration that occasionally develop in limited slip axles. The additive combinations include (i) an oil-soluble succinimide of the for...	01/05/1993
5174915	Medium speed diesel engine lubricating oils There is provided a lubricating oil composition for use in medium speed diesel engines, such as railroad locomotive diesel engines. This lubricating oil composition comprises an oil of lubricating viscosity and a minor amount of a reaction product that is...	12/29/1992
5166439	Composition containing a mannich base of a partially sulfurized hindered phenol mixture A sulfurized, phenolic antioxidant having a low chlorine content and good copper corrosion properties is prepared by reacting a partially sulfurized mixture of reactive, hindered phenols with formaldehyde or formaldehyde and an amine....	11/24/1992
5164103	Preconditioned atf fluids and their preparation Preconditioned automatic transmission fluids are made by using a preblend formed by heating an alkenyl succinimide or succinamide dispersant with a phosphorus ester and water to partially hydrolyze the ester and then mixing the preblend and other additive...	11/17/1992
5164102	Lubricating oil composition Engine wear and sludge are reduced by using in the engine crankcase a formulated motor oil containing a small amount of the combination of (i) an overbased alkaline earth metal sulfonate having a total base number of at least 100, (ii) a zinc dihydrocarby...	11/17/1992
5162049	Middle distillate fuels and additives therefor This invention relates to stabilizer additives for hydrocarbonaceous fuels comprising at least one or a mixture of hexahydrotriazine compounds and at least one or a mixture of imine compounds....	11/10/1992
5154844	Lubricant additives and their production A product formed by heating (A) a mixture of a carboxylic acid ester and a fatty acid oxyalkylated amine derivative selected from fatty acid amides, fatty acid esters, fatty acid ester-amides of such oxyalkylated amine, and mixtures thereof with (B) sulfu...	10/13/1992

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Assignee: Ethyl Petroleum Additives, Inc.