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| Number | Title | Issue Date |
| 7857873 | Flue cleaner A flue cleaner comprising a containment vessel having an opening providing restricted communication between the interior and exterior of the vessel, the vessel being formed of a non-combustible heat resistant material, the interior of the vessel containing a soot re... | 12/28/2010 |
| 7540890 | Creosote and soot destroying fire log A processed solid fuel composition incorporating agents for destroying creosote and soot within flue ducts and chimneys of fireplaces, solid fuel stoves and other heating devices is disclosed, along with a method for its manufacture and a method for its use. The com... | 06/02/2009 |
| 7367309 | Internal combustion engine An internal combustion engine is provided which can operate by either the homogeneous charge compression ignition system or the spark ignition system using a single fuel. In the internal combustion engine using a fuel containing a hydrocarbon, the fuel contains o-xy... | 05/06/2008 |
| 7017555 | Method for operating an internal combustion engine of a motor vehicle in particular In a method for operating an internal combustion engine of a motor vehicle, in particular, pressurized fuel is conveyed to a fuel accumulator. The fuel is injected into a combustion chamber via a fuel injector. Coking of the fuel injector is determined. A first fuel... | 03/28/2006 |
| 6913631 | Solid combustible element for disintegrating a combustion deposit layer and method for producing such an element This invention relates to a solid combustible element and a method for manufacturing it, whereby in the element an open or closed internal space is provided, and in this space is placed a chemical product for disintegrating a combustion deposit layer. When burning t... | 07/05/2005 |
| 6843813 | Rejuvenation and/or cleaning of catalysts Compositions and methods are provided forcleaning and/or rejuvenating catalysts, including catalysts of the type used in vehicle catalytic converters. The compositions of the invention comprise a hydrocarbon source and an oxygen donor, which may be one and the same ... | 01/18/2005 |
| 6746495 | Method for controlling deposit formation in gasoline direct injection engine by use of a fuel having particular compositional characteristics The formation of deposits on the injectors of gasoline direct injection engines controlled by combustion in said engine of a fuel comprising a gasoline containing about 12 to 65 vol % aromatics when the aromatics present in the fuel are attributable to the presence ... | 06/08/2004 |
| 6176701 | Method for improving fuel efficiency in combustion chambers A method of improving fuel efficiency in combustion chambers, for simultaneously enhancing combustion of hydrocarbon fuels while inhibiting nitrogen oxidation. A mixture of metallic compounds is introduced into the flame zone of a combustion chamber, such... | 01/23/2001 |
| 5788885 | Stabilization of magnesium hydroxide slurries A treatment for reducing viscosity and inhibiting settling of an aqueous 30% or higher by weight magnesium hydroxide slurry which comprises adding to the slurry an amount, effective for the purpose of a combination of an alkyl sulfosuccinate surfactant, a... | 08/04/1998 |
| 5624568 | Stabilization of magnesium hydroxide slurries A treatment for reducing viscosity and inhibiting settling of an aqueous 30% or higher by weight magnesium hydroxide slurry which comprises adding to the slurry an amount, effective for the purpose of a combination of an alkyl sulfosuccinate surfactant, a... | 04/29/1997 |
| 5302308 | Methods for controlling dust in high temperature systems Method for inhibiting dust emissions from hot (>120° F.) substrates are provided for. The method comprise adding to the substrate an aqueous solution or formed solution of polyethylene oxide or a polyethylene oxide derivative.... | 04/12/1994 |
| 4979447 | Combustion of carbon containing materials in a furnace A process for improving combustion efficiency in a coal-fired furnace comprising injecting an additive composition comprising a ferrocene compound or its derivatives and an organic carrier liquid in which the ferrocene or its derivatives is soluble, has a... | 12/25/1990 |
| 4888030 | Creosote removal composition A creosote removal compound comprising hydrated aluminum silicate in an amount totaling between forty and eighty percent of the total overall mixture, calcium hydroxide in an amount totaling between fifteen and fifty percent of the total overall mixture a... | 12/19/1989 |
| 4616574 | Process for treating combustion systems with pressure-hydrated dolomitic lime A process for eliminating, reducing or modifying slagging, convective tube fouling, corrosion, sulfur trioxide formation, acid smut and plume visibility by intermittently injecting pressure-hydrated dolomitic lime consisting of porous, particles having a ... | 10/14/1986 |
| 4577566 | Method of conditioning fireside fouling deposits using large particle size amorphous silica In a coal fired boiler of the type having a combustion zone in which said coal is fired, a convection zone located downstream from said combustion zone and having a plurality of heater tubes disposed therein adapted to heat water or steam disposed therein... | 03/25/1986 |
| 4571247 | Product in tablet form for use in the chemical elimination of soot from chimneys and smoke ducts A product for eliminating soot from chimneys and smoke ducts in general by inducing the complete combustion thereof, for use in the form of tablets which are introduced into the hearth of the combustion appliance. Said tablets are constituted essentially ... | 02/18/1986 |
| 4514256 | Method of minimizing slagging in the burning of black liquid The formation of slag is minimized and the removability of slag is greatly increased, in connection with the furnace burning of black liquor, by applying to the surfaces where slag tends to form a substance which, under black liquor furnace conditions, re... | 04/30/1985 |
| 4481010 | Non-corrosive creosote and soot removing composition A metallic chloride based creosote and soot removing composition including a phosphate corrosion inhibitor to reduce the corrosive attack on metal flue pipes is provided. The composition includes between about 15-60% metallic chloride, 20-60% trisodium ph... | 11/06/1984 |
| 4474580 | Combustion fuel additives comprising metal enolates An additive suitable for use in a combustion fuel comprising: (a) a complex of an iron enolate having the formula: ##STR1## wherein R, R1 and R2 are, individually, hydrogen, alkyl having 1 to 22 carbon atoms or aryl in an amount eff... | 10/02/1984 |
| 4465000 | Method of increasing the efficiency of cyclone-fired boilers using high sodium lignite fuel A method of increasing the efficiency of a cyclone-fired boiler which uses high sodium lignite as fuel. The fuel produces ash deposits on heat transfer surfaces within the boilers, and in accordance with the method, powdered limestone is periodically inje... | 08/14/1984 |
| 4401550 | Liquefaction of calcium-containing coals A process for liquefying a calcium-containing coal which comprises contacting calcium-containing coal with an aqueous sulfur oxide solution. The resulting admixture is contacted with hydrogen sulfide to produce water soluble thiosulfate. After the treated... | 08/30/1983 |
| 4401549 | Liquefaction of calcium-containing coals An improved process for the treatment and liquefaction of calcium-containing subbituminous coal and coals of lower rank to form water soluble compounds of calcium, thereby suppressing the formation of scale, made up largely of calcium carbonate which norm... | 08/30/1983 |
| 4377118 | Process for reducing slag build-up The present invention provides a method for reducing slag build-up in cyclone furnaces comprising introducing into a cyclone furnace at least one of a slag viscosity modifier and a combustion adjuvant, wherein a substantial portion thereof is conveyed to ... | 03/22/1983 |
| 4372227 | Method of reducing high temperature slagging in furnaces Slag buildup in high-temperature areas of a furnace system is minimized by adding to the molten ash particles carried by the flue gas a conditioner which is taken up by those molten particles and produces a nucleating effect when those particles cool, cau... | 02/08/1983 |
| 4298497 | Composition for preventing cold end corrosion in boilers A composition is provided for neutralizing acid corrosive agents in boiler flue gases and like vapors. In large industrial boilers and like systems, flue gases carrying sulfur trioxide contact metal surfaces of heat recovery equipment. Under some circumst... | 11/03/1981 |
| 4161440 | Liquefaction of calcium-containing subbituminous coals and coals of lower rank An improved process for the treatment of a calcium-containing subbituminous coal and coals of lower rank to form insoluble, thermally stable calcium salts which remain within the solids portions of the residue on liquefaction of the coal, thereby suppress... | 07/17/1979 |
| 4159683 | Method for reducing the formation of slag and soot formed from the combustion of carbonaceous waste material The amount of soot and slag formed during the combustion of carbonaceous waste material is appreciably reduced by combusting said waste material in the presence of at least 0.0001%, by weight, of sodium bentonite, based on the weight of carbonaceous mater... | 07/03/1979 |
| 3974783 | Method for improving sewage sludge incineration An improved method of incinerating sewage sludge by adding to the sewage sludge prior to incineration a composition consisting of a compound of metal effective in lowering the ignition temperature of carbon and magnesium oxide.... | 08/17/1976 |
| 3951613 | Anti-pollution heating oil products and processes An anti-pollution heating oil composition includes an organic or inorganic lithium compound in said heating oil to reduce particulate emission upon combustion of said heating oil. A variety of lithium compositions and processes for their use in removal of... | 04/20/1976 |
