Novel additive composition that reduces soot and/or emissions from engines

• US 20040266630A1
• Filed: 06/25/2003
• Published: 12/30/2004
• Est. Priority Date: 06/25/2003
• Status: Abandoned Application

• Current Assignee: The Lubrizol Corporation (Berkshire Hathaway Incorporated)
• Original Assignee: The Lubrizol Corporation (Berkshire Hathaway Incorporated)
• Inventors: Burrington, James D., Martin, John R., George, Herman F., Yodice, Richard
• Application Number:
  US10/603,517
• Publication Number:
  US 20040266630A1
• Time in Patent Office: Days
• US Class Current: 508/113
• CPC Class Codes: C10M 163/00 Lubricating compositions characterised by the additive being a mixture of a compound of unknown or incompletely defined constitution and a non-macromolecular compound, each of these compounds being essential
• CPC Class Codes: C10M 177/00 Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
• CPC Class Codes: C10M 2201/041 Carbon; Graphite; Carbon black
• CPC Class Codes: C10M 2201/062 Oxides; Hydroxides; Carbonates or bicarbonates
• CPC Class Codes: C10M 2201/103 Clays; Mica; Zeolites
• CPC Class Codes: C10M 2201/105 Silica
• CPC Class Codes: C10M 2205/04 containing aromatic monomers, e.g. styrene
• CPC Class Codes: C10M 2207/026 with tertiary alkyl groups
• CPC Class Codes: C10M 2207/04 Ethers; Acetals; Ortho-esters; Ortho-carbonates
• CPC Class Codes: C10M 2207/281 of (cyclo)aliphatic monocarboxylic acids
• CPC Class Codes: C10M 2207/282 of (cyclo)aliphatic oolycarboxylic acids
• CPC Class Codes: C10M 2207/289 containing free hydroxy groups
• CPC Class Codes: C10M 2207/34 Esters having a hydrocarbon substituent of thirty or more carbon atoms, e.g. substituted succinic acid derivatives
• CPC Class Codes: C10M 2209/104 of alkylene oxides containing two carbon atoms only
• CPC Class Codes: C10M 2209/109 esterified
• CPC Class Codes: C10M 2215/00 Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
• CPC Class Codes: C10M 2215/04 having amino groups bound to acyclic or cycloaliphatic carbon atoms
• CPC Class Codes: C10M 2215/064 Di- and triaryl amines
• CPC Class Codes: C10M 2215/08 Amides
• CPC Class Codes: C10M 2215/28 Amides; Imides
• CPC Class Codes: C10M 2217/043 : Mannich bases
• CPC Class Codes: C10M 2219/022 : of hydrocarbons, e.g. olefines
• CPC Class Codes: C10M 2219/024 : of esters, e.g. fats
• CPC Class Codes: C10M 2219/046 : Overbasedsulfonic acid salts
• CPC Class Codes: C10M 2219/086 : containing sulfur atoms bound to carbon atoms of six-membered aromatic rings
• CPC Class Codes: C10M 2219/089 : Overbased salts
• CPC Class Codes: C10M 2227/00 : Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
• CPC Class Codes: C10N 2010/02 : Groups 1 or 11
• CPC Class Codes: C10N 2010/04 : Groups 2 or 12
• CPC Class Codes: C10N 2010/06 : Groups 3 or 13
• CPC Class Codes: C10N 2010/08 : Groups 4 or 14
• CPC Class Codes: C10N 2030/02 : Pour-point; Viscosity index
• CPC Class Codes: C10N 2030/04 : Detergent property or dispersant property
• CPC Class Codes: C10N 2030/041 : Soot induced viscosity control
• CPC Class Codes: C10N 2030/06 : Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
• CPC Class Codes: C10N 2030/08 : Resistance to extreme temperature
• CPC Class Codes: C10N 2030/10 : Inhibition of oxidation, e.g. anti-oxidants
• CPC Class Codes: C10N 2030/18 : Anti-foaming property
• CPC Class Codes: C10N 2030/30 : Anti-misting
• CPC Class Codes: C10N 2040/25 : Internal-combustion engines
• CPC Class Codes: C10N 2040/252 : Diesel engines
• CPC Class Codes: C10N 2050/10 : Semi-solids; greasy
• CPC Class Codes: C10N 2070/00 : Specific manufacturing methods for lubricant compositions

Abstract

An additive composition containing an antioxidant and a dispersant that reduces the soot content in lubricating oil in an engine and/or the emission of an engine. Further, a process for employing the additive composition to decrease the amount of soot in the lubricating oil of an engine and/or decrease the emissions from an engine.

Claims

1. An additive composition comprising a dispersant and an antioxidant used in an application selected from the group comprising decreasing the amount of soot in a lubricating oil of an engine, decreasing the amount of emissions in an engine'"'"'s exhaust and combinations thereof.

2. The composition of claim 1 wherein the emissions reduced are selected from the group comprising soot, hydrocarbons and/or NOx

3. The composition of claim 1 further comprises at least one lubricant additive t selected from the group comprising detergents, overbased detergents, carbon black, silica, alumina, titania, magnesium oxide, calcium carbonate, lime, clay, zeolites, extreme pressure (EP) agents, wear reduction agents, viscosity index improvers, anti-foaming agents, friction reducing agents, anti-misting agents, cloud-point depressants, pour-point depressants, mineral and/or synthetic oils mixtures thereof and combination thereof and in the range of about 0% to about 95% of the additive composition.

4. The composition of claim 1 wherein the dispersant is in the range of about 0.1% to about 95% and the antioxidant is in the range of about 0.01% to about 99% of the additive composition.

5. The composition of claim 1 wherein the antioxidant is selected from the group comprising the antioxidants include but are not limited to alkyl-substituted phenols such as 2,6-di-tertiary butyl-4-methyl phenol, phenate sulfides, phosphosulfurized terpenes, sulfurized esters, aromatic amines, and hindered phenols, is a hindered, ester-substituted phenol and combinations thereof.

6. The composition of claim 1 wherein the dispersant is selected from the group comprising ashless type dispersants such as Mannich dispersants;

polymeric dispersants;

carboxylic dispersants amine, dispersants, high molecular weight esters, and the like succinics;

esterfied maleic anhydride styrene copolymers;

maleated ethylene diene monomer copolymers;

surfactants;

emulsifiers;

ashless succinimide, polyisbutenyl succinimide, substituted long chain alkenyl succinimides, high molecular weight esters, N-substituted long chain alkenyl succinimides, decyl methacrylate, vinyl decyl ether, aminoalkyl acrylates, acrylamides, poly-(oxyethylene)-substituted acrylates, high molecular weight olefins with monomers containing polar substitutes;

functionalized derivatives of each component listed herein; and

combinations thereof.

7. The composition of claim 1 wherein the dispersant is selected from the group comprising ashless succinimide, polyisbutenyl succinimide, substituted long chain alkenyl succinimides, high molecular weight esters, mannich dispersants, N-substituted long chain alkenyl succinimides, carboxylic dispersants, amine dispersants, polymeric dispersants, decyl methacrylate, vinyl decyl ether, aminoalkyl acrylates, acrylamides, poly-(oxyethylene)-substituted acrylates, high molecular weight olefins with monomers containing polar substitutes and mixtures thereof;

and an antioxidant selected from the group comprises alkyl-substituted phenols, 2,6-di-teritiary butyl-4-methyl phenol, phenate sulfides, phosphosulfurized terpenes and mixtures thereof.

8. A process comprising contacting a portion of an engine oil with an additive composition of claim 1 resulting in the reduction of soot in the engine oil and/or emissions in an engine exhaust.

9. The process of claim 8 wherein the additive composition is positioned to contact the oil in an area selected from the group comprising full flow oil, bypass of oil, in the reservoir and combinations thereof.

10. The process of claim 8 wherein the additive composition is located in an area selected from the group comprising a filter, a drain pan, an oil bypass loop, a canister, a housing, a reservoir, a pocket of a filter, a canister in a filter, a mesh in a filter, a canister in a bypass system, a mesh in a bypass system and combinations thereof.

11. The process of claim 8 wherein the additive composition is in contact with the engine oil in the range of about 100% to 1% of the engine oil.

12. The process of claim 8 wherein the additive composition is positioned in a location of flow rate of the engine oil in the range of greater than 1% to about 100% of the circulating engine oil.

13. The process of claim 8 wherein the emissions reduced in the exhaust are selected from the group comprising soot, NOx, hydrocarbons and combinations thereof.

14. The process of claim 8 comprising adding to the engine oil the additive composition all at the same time, a portion of the components over its service life, continuously to the engine oil over the service life of the oil and combinations thereof.

15. The process of claim 8 wherein the composition further comprises at least one lubricant additive t selected from the group comprising detergents, overbased detergents, carbon black, silica, alumina, titania, magnesium oxide, calcium carbonate, lime, clay, zeolites, extreme pressure (EP) agents, wear reduction agents, viscosity index improvers, anti-foaming agents, friction reducing agents, anti-misting agents, cloud-point depressants, pour-point depressants, mineral and/or synthetic oils mixtures thereof and combination thereof.

16. The process of claim 15 wherein the dispersant is in the range of about 0.01% to about 60%, the antioxidant is in the range of about 0.01% to about 60% of and the lubricant additive is in the range of about 0% to about 60% of the additive composition.

17. An oil filter for an engine oil lubricating system comprising a housing, a filter for removing particulate matter from an oil bypass filter and a container with an additive composition wherein the additive composition comprises a dispersant and an antioxidant and results in the reduction of one of the following from an engine soot, NOx hydrocarbons or combinations thereof.

18. An additive composition containment device for an engine oil lubricating system comprising a housing and a container with an additive composition, and wherein the additive composition comprises a dispersant and an antioxidant for the reduction of soot from lubricating systems, engine emissions reduction or combinations thereof.