Release additive composition for oil filter system

a technology of oil filter system and additive composition, which is applied in the direction of lubricant composition, organic chemistry, fuels, etc., can solve the problems of increasing the wear of lubricated engine components, increasing the downtime of vehicles, and reducing the service life of vehicles

Inactive Publication Date: 2009-03-19
AFTON CHEMICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such by-products may lead to the formation of high temperature deposits, low temperature sludge formation and corrosion of various engine parts which ultimately may lead to increased wear of lubricated engine components.
However, the ability to retain the basicity of the lu...

Method used

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Examples

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example

[0052]The following example is illustrative of the invention and its advantageous properties. In this example as well as elsewhere in this application, all parts and percentages are by weight unless otherwise indicated. It is intended that this example is being presented for the purpose of illustration only and is not intended to limit the scope of the invention disclosed herein.

[0053]A additive concentrate was made by mixing 75 wt. % of an overbased detergent, such as a 500 TBN calcium sulfonate detergent having about 64% active ingredient content, with 25 wt. % of an antioxidant, such as an alkylated diphenylamine in an amount of base oil sufficient to provide the additive concentrate with less than about 30 weight percent base oil.

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Abstract

A slow release liquid additive concentrate for use in an engine oil filter and a method for extending an oil drain interval for an engine. The additive concentrate has therein at least one detergent and at least one antioxidant. The additive concentrate has a tan delta of greater than about 5.

Description

DESCRIPTION OF THE DISCLOSURE[0001]1. Technical Field[0002]The present disclosure is directed to a release additive liquid concentrate and methods for use thereof in an oil filter system. More particularly, this disclosure is directed to a method for extending an oil drain interval of an engine having an oil filter including a release additive including at least one detergent; and at least one antioxidant.[0003]2. Background and Summary[0004]During the combustion process in internal combustion engines, mineral and organic acidic by-products are produced. Concurrently, other acidic products may be generated by the degradation of lubricants used in internal combustion engines. Such by-products may lead to the formation of high temperature deposits, low temperature sludge formation and corrosion of various engine parts which ultimately may lead to increased wear of lubricated engine components. Basic substances are typically included in lubricants to neutralize the acidic products in o...

Claims

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Application Information

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IPC IPC(8): C10M169/00
CPCC10M141/06C10N2270/02C10M175/0091C10M2207/026C10M2207/028C10M2207/08C10M2207/26C10M2207/262C10M2207/28C10M2215/02C10M2215/06C10M2215/064C10M2215/08C10M2217/043C10M2219/024C10M2219/044C10M2219/046C10M2219/06C10M2219/089C10M2223/12C10N2210/01C10N2210/02C10N2230/04C10N2230/10C10N2230/52C10N2230/72C10M141/08C10N2010/02C10N2010/04C10N2030/04C10N2030/10C10N2030/52C10N2030/72C10N2070/02C10M163/00C10M177/00C10N2040/25C10N2050/00
Inventor MATHUR, NARESH C.PASSUT, CHARLES A.ESCHE, JR., CARL K.
Owner AFTON CHEMICAL
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