Diesel fuel additive

US9102891B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9102891-B2
Application numberUS-201414149868-A
CountryUS
Kind codeB2
Filing dateJan 8, 2014
Priority dateNov 3, 2010
Publication dateAug 11, 2015
Grant dateAug 11, 2015

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  2. Abstract

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  5. First independent claim

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Abstract

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A diesel fuel additive composition, a fuel containing the fuel additive, a method for improving diesel engine performance using the additive. The diesel fuel additive includes a reaction product of (a) a hydrocarbyl-substituted acylating agent and (b) a reactant selected from the group consisting of a nitrogen-containing compound, a hydroxyl-containing compound, and water that provides a reaction product selected from the group consisting (1) a mono-amide/mono-acid or metal free mono-acid salt thereof, (2) a diacid or metal free diacid salt thereof, and (3) mono-ester/mono-acid or metal free mono-acid salt thereof. The reaction product includes at least about 10 molar percent acid groups based on total moles of the reaction product.

First claim

Opening claim text (preview).

That which is claimed is: 1. A low sulfur diesel fuel composition suitable for a high pressure compression ignition engine, comprising: a) a major amount of low sulfur diesel fuel, and b) a minor amount of additive for reducing injector and fuel system deposits, the additive comprising: a reaction product of (i) a hydrocarbyl-substituted acylating agent and (ii) a reactant selected from the group consisting of ethylenediamine, diethylene triamine, triethylene tetramine, tetraet…

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What does patent US9102891B2 cover?
A diesel fuel additive composition, a fuel containing the fuel additive, a method for improving diesel engine performance using the additive. The diesel fuel additive includes a reaction product of (a) a hydrocarbyl-substituted acylating agent and (b) a reactant selected from the group consisting of a nitrogen-containing compound, a hydroxyl-containing compound, and water that provides a reacti…
Who is the assignee on this patent?
Fang Xinggao, Afton Chemical Corp
What technology area does this patent fall under?
Primary CPC classification C10L1/232. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Aug 11 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).