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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 |
| 7553343 | Fuels compositions for direct injection gasoline engines containing manganese compounds Deposits and soot formation in a direct injection gasoline engine are reduced by providing as fuel for the operation of said direct injection engine a fuel composition comprising a fuel-soluble cyclopentadienyl manganese tricarbonyl compound. ... | 06/30/2009 |
| 7410514 | Liquid fuel composition having aliphatic organic non-hydrocarbon compounds, an aromatic hydrocarbon having an aromatic content of less than 15% by volume, an oxygenate, and water The invention relates to a liquid fuel composition of: 10-80 vol % of a first component which includes at least two aliphatic organic non-hydrocarbon compounds; 20-65 vol % of a second component including at least one hydrocarbon and having an aromatic content of le... | 08/12/2008 |
| 7341447 | Delivering manganese from a lubricant source into a fuel combustion system The present invention relates to an apparatus and method for delivering manganese from a lubricant source into a fuel combustion system or to the exhaust therefrom. By the present invention, manganese from the lubricant will interact with phosphorus, sulfur, and/or ... | 03/11/2008 |
| 7323020 | Method for making a fuel for a modified spark ignition combustion engine, a fuel for a modified spark ignition combustion engine and a fuel additive for a conventional spark ignition combustion engine A method of making a fuel composition for a modified internal combustion spark ignition engine comprising combining a fuel grade ethanol, an oxygen-containing component and at least one C6-C12 hydrocarbon. A fuel produced by such a method is al... | 01/29/2008 |
| 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 |
| 7262155 | High octane lubricants for knock mitigation in flame propagation engines This invention includes a lubricant composition comprising a base oil and one or more additives, wherein the composition has an elevated pressure auto ignition temperature of at least about 500 K. This invention also includes a lubricant composition comprising a bas... | 08/28/2007 |
| 7169196 | Fuel or fuel additive containing doped cerium oxide nanoparticles A fuel or fuel additives is disclosed which includes particles of cerium oxide which have been doped with a divalent or trivalent metal or metalloid which is a rare earth metal, a transition metal or a metal of group IIA, IIIB, VB, or VIB of the Periodic Table. ... | 01/30/2007 |
| 7094274 | Use of manganese compounds to improve the efficiency of and reduce back-corona discharge on electrostatic precipitators Manganese is added to a combustion fuel, combustion air, or the resulting combustion exhaust gas in order to improve the efficiency of an electrostatic precipitator in collecting the resulting fly ash. Further, manganese or other flame suppressant is added to a fuel... | 08/22/2006 |
| 6941743 | Lean burn emissions system protectant composition and method A method, apparatus, and fuel composition for the protection of a catalytic after treatment system and a method for protecting a catalytic after treatment system in a lean burn system are disclosed. A scavenging agent is introduced into the combustion chamber in an ... | 09/13/2005 |
| 6725653 | Process for reducing pollutants from the exhaust of a diesel engine using a water diesel fuel in combination with exhaust after-treatments This invention relates to a process for reducing the level of pollutants in the exhaust of a diesel engine, comprising: operating said diesel engine using as the fuel a water-diesel fuel emulsion; and contacting the exhaust gas from said diesel engine with an after-... | 04/27/2004 |
| 6629407 | Lean burn emissions system protectant composition and method A method, apparatus, and fuel composition for the protection of a catalytic after treatment system and a method for protecting a catalytic after treatment system in a lean burn system are disclosed. A scavenging agent is introduced into the combustion cha... | 10/07/2003 |
| 6258134 | High octane unleaded aviation gasolines Novel aviation fuel compositions contain a substantially positive or synergistic combination of an alkyl tertiary butyl ether, an aromatic amine and, optionally, a manganese component. The basefuel containing the additive combination may be a wide boiling... | 07/10/2001 |
| 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 |
| 6051040 | Method for reducing emissions of NOx and particulates from a diesel engine A method improves the operation of a diesel engine through the use of a fuel additive, a diesel particulate trap and a NOx -reducing catalyst. The operation of the NOx -reducing catalyst is enhanced by the introduction of urea or lik... | 04/18/2000 |
| 6039772 | Non leaded fuel composition Fuel compositions comprised of well-defined proportions of cyclopentadienyl manganese tricarbonyl antiknock compounds, solvents selected from the group consisting of C1 to C6 aliphatic alcohols and nonleaded gasoline bases, possess i... | 03/21/2000 |
| 6023928 | Method for reducing emissions from a diesel engine Operation of a diesel engine with low particulate emissions is achieved. A diesel engine is equipped with a platinum-catalyzed particulate trap. The engine is operated with a blend of diesel fuel and a fuel-soluble cerium composition to reduce the balance... | 02/15/2000 |
| 5944858 | Hydrocarbonaceous fuel compositions and additives therefor Hydrocarbonaceous fuels and additive compositions therefor which comprise: a) one or more fuel-soluble manganese carbonyl compounds; and b) one or more fuel-soluble alkali or alkaline earth metal-containing neutral or basic detergent salts. These composit... | 08/31/1999 |
| 5928392 | Enhanced combustion of hydrocarbonaceous burner fuels A burner is operated by continuously feeding into its combustion zone while combustion is occurring therein, (a) a middle distillate burner fuel with which has been blended in any sequence or combination a minor combustion improving amount of fuel-soluble... | 07/27/1999 |
| 5851241 | High octane unleaded aviation gasolines Novel aviation fuel compositions contain a substantially positive or synergistic combination of an alkyl tertiary butyl ether, an aromatic amine and, optionally, a manganese component. The basefuel containing the additive combination may be a wide boiling... | 12/22/1998 |
| 5782937 | Gasoline compositions containing ignition improvers The present invention relates to fuel compositions containing hydrocarbon fuels in the gasoline boiling range and organic nitrogen-containing compounds selected from organic nitrates and/or organic nitro compounds. The fuel compositions exhibit improved i... | 07/21/1998 |
| 5679116 | Compositions for control of induction system deposits Fuel additives and fuel additive compositions are described comprising: (i) at least one fuel-soluble detergent/dispersant which is (a) a fuel-soluble salt, amide, imide, oxazoline and/or ester, or a mixture thereof, of a long chain aliphatic hydrocarbon-... | 10/21/1997 |
| 5669938 | Emulsion diesel fuel composition with reduced emissions A fuel composition which comprises a water-in-oil emulsion comprising a major proportion of a hydrocarbonaceous middle distillate fuel and about 1 to about 40 volume percent water, and an emission reducing amount of at least one fuel-soluble organic nitra... | 09/23/1997 |
| 5575823 | Diesel fuel compositions Heavy diesel fuels, especially those containing sulphur and intended for marine or railroad use, are improved by incorporation therein of a combination of a cyclomatic manganese tricarbonyl and an ashless dispersant and optionally an antioxidant. Diesel f... | 11/19/1996 |
| 5551957 | Compostions for control of induction system deposits The combination of a fuel-soluble succinimide detergent/dispersant, a fuel-soluble liquid carrier or induction aid therefor, and a fuel-soluble cyclopentadienyl manganese tricarbonyl compound can sharply reduce the formation or accumulation of engine depo... | 09/03/1996 |
| 5525127 | Evaporative burner fuels and additives therefor Hydrocarbonaceous distillate fuel compositions and additive concentrates are described that provide improved performance in evaporative burners. The additive components comprise a mixture formed from at least (a) a cyclopentadienyl manganese tricarbonyl c... | 06/11/1996 |
| 5511517 | Reducing exhaust emissions from otto-cycle engines The amount of nitrogen oxide (NOx) and hydrocarbon emissions emanating via the exhaust during operation of a gasoline engine is reduced by dispensing to a gasoline engine adjusted to operate primarily at an air-to-fuel ratio between lambda of about 0.9 to... | 04/30/1996 |
| 5501714 | Operation of diesel engines with reduced particulate emission by utilization of platinum group metal fuel additive and pass-through catalytic oxidizer The invention provides a method employing a fuel additive to improve the operation of a pass-through oxidation catalyst over long periods of time with continued catalytic activity and without the undesirable conversion of SO2 to SO3.... | 03/26/1996 |
| 5266083 | Method for reducing pollution emissions from a diesel engine The invention presented relates to a method for reducing the emission of nitrogen oxides from a diesel engine without significant loss of fuel efficiency and without significant increases in carbon monoxide and hydrocarbon emissions. The method involves p... | 11/30/1993 |
| 5113803 | Reduction of Nox emissions from gasoline engines NOx emissions are reduced in two stages during operation of an engine equipped with an exhaust gas catalyst system. In the first stage, a reduction in NOx emissions is effected in the exhaust leaving the combustion chamber. In the se... | 05/19/1992 |
| 4674447 | Prevention of fouling in internal combustion engines and their exhaust systems and improved gasoline compositions Processes for operating gasoline engines with spark plug ignition of gasolines containing manganese compound additives such as pentadienyl manganese tricarbonyl (MMT), the gasoline being essentially free of lead, sodium and barium compounds, thereby avoid... | 06/23/1987 |
| 4475483 | Catalyst delivery system A system for delivering a catalyst into a forced draft entry port of a chemical reaction chamber, such as a fossil-fuel combustion chamber, includes a container having an aqueous solution of the catalyst. A suction line extends from an air space above the... | 10/09/1984 |
| 4437436 | Antiknock additive compositions and unleaded gasoline containing same A method of operating a spark ignition internal combustion engine with unleaded gasoline is disclosed wherein methylcyclopentadienyl manganese tricarbonyl (MMT) is used as a primary antiknock compound and from about 5 to about 60 moles of benzoylacetone o... | 03/20/1984 |
| 4222746 | Diesel fuel containing wax oxidates to reduce particulate emissions Addition of 0.1 to 1.5 percent by weight of wax oxidates to a diesel fuel is found to reduce the amount of soot and invisible particles produced when the fuel is used in a diesel engine. The wax oxidates act synergistically with fuel-soluble organometalli... | 09/16/1980 |
| 4207078 | Diesel fuel containing manganese tricarbonyl and oxygenated compounds The amount of soot and invisible particulates emitted with the exhaust of engines run on diesel fuel is reduced by incorporating therein an additive consisting of a mixture of an oxygenated compound and an alkyl cyclopentadienyl manganese tricarbonyl. Als... | 06/10/1980 |
| 4155718 | Method and composition for inhibition or prevention of octane requirement increase The inhibition or prevention of octane requirement increase in a spark ignited internal combustion engine is achieved by introducing with the combustion charge a fuel composition containing an octane requirement increase-inhibiting amount of: (a) certain ... | 05/22/1979 |
| 4141693 | Manganese containing fuels The invention is gasoline containing an added manganese compound to improve the octane rating of the gasoline and including a small amount of an additive selected from a group consisting of a monocarboxylic acid or its ester, a dicarboxylic acid or its mo... | 02/27/1979 |
| 4140491 | Gasoline additive comprising a blend of methylcyclopentadienyl manganese tricarbonyl and certain methylcyclopentadiene dimer compounds Gasoline containing an additive comprising about 70% by weight of methylcyclopentadienyl manganese tricarbonyl and about 30% of a composition selected from the group consisting of methylcyclopentadiene dimer compounds, hydrogenated methylcyclopentadiene d... | 02/20/1979 |
| 4139349 | Fuel compositions containing synergistic mixtures of iron and manganese antiknock compounds Hydrocarbon fuel compositions consisting essentially of hydrocarbons boiling in the gasoline boiling range having dissolved therein a combination of dicyclopentadienyl iron and cyclopentadienyl manganese tricarbonyl compounds. Said iron and manganese comp... | 02/13/1979 |
