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Class Information
Number: 423/212
Name: Chemistry of inorganic compounds > Modifying or removing component of normally gaseous mixture > Mixture is exhaust from internal-combustion engine
Description: Processes in which the initial gaseous mixture is the exhaust from an internal combustion engine.










Sub-classes under this class:

Class Number Class Name Patents
423/213.2 Utilizing as solid sorbent, catalyst, or reactant a material containing a transition element 688


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8685363 Honeycomb carrier for exhaust gas clarification catalyst and method for production thereof Apr. 1, 2014
8652410 Control method and arrangement for selective catalytic reduction Feb. 18, 2014
8647596 Systems and methods for managing emissions from an engine of a vehicle Feb. 11, 2014
8617495 Exhaust gas aftertreatment desulfurization control Dec. 31, 2013
8609575 Sulfur resistant emissions catalyst Dec. 17, 2013
8603422 Gas separation and recovery apparatus and gas separation and recovery method Dec. 10, 2013
8580215 Exhaust gas control apparatus and method for internal combustion engine Nov. 12, 2013
8580228 Treatment of cold start engine exhaust Nov. 12, 2013
8551432 System and method for injecting ammonia into an exhaust gas stream Oct. 8, 2013
8535627 Ketone/water mixtures for NOx removal Sep. 17, 2013
8535628 Exhaust gas purifying catalyst Sep. 17, 2013
8524180 Process for minimising the emission of particular matter from marine diesel engines Sep. 3, 2013
8524185 Integrated SCR and AMOx catalyst systems Sep. 3, 2013
8518354 Diesel exhaust fluid formulation having a high ammonium content and a low freezing point Aug. 27, 2013
8501107 Apparatus for generating mercury (II) sulfide from elemental mercury Aug. 6, 2013
8491859 Device having an injector for a liquid reducing agent, configuration having the device and methods of using the device and the configuration Jul. 23, 2013
8475751 Catalytic smog reduction Jul. 2, 2013
8465631 Purification structure incorporating a biased electrochemical catalyst system Jun. 18, 2013
8460625 Exhaust gas purification apparatus and method for engine and filter regeneration system of the exhaust gas purification apparatus Jun. 11, 2013
8440155 Flow modulating substrates for early light-off May. 14, 2013
8404203 Processes for reducing nitrogen oxides using copper CHA zeolite catalysts Mar. 26, 2013
8394347 Exhaust gas conversion system and exhaust gas conversion method Mar. 12, 2013
8372364 Exhaust gas aftertreatment system Feb. 12, 2013
8361422 Method and devices for heating urea-containing materials in vehicle emission control system Jan. 29, 2013
8343448 System for reducing NOx in exhaust Jan. 1, 2013
8313717 Atomization of fluids by mutual impingement of fluid streams Nov. 20, 2012
8303766 Method and device for evaporating a fluid Nov. 6, 2012
8268273 Method and device for the regeneration of a particle filter arranged in the exhaust gas train of an internal combustion engine Sep. 18, 2012
8241598 Temperature control circuit for SCR urea system Aug. 14, 2012
8201399 Apparatus for reducing dibenzodioxin emissions and dibenzofuran emissions from transition metal-containing catalyzers Jun. 19, 2012
8173074 Apparatus for reducing dibenzodioxin emissions and dibenzofuran emissions from transition metal-containing catalyzers May. 8, 2012
8171727 Device for reducing dibenzodioxin emissions, dibenzofuran emissions and particle emissions May. 8, 2012
8133460 Method for the preparation of a reducing agent composition Mar. 13, 2012
8093178 Catalyst for reducing carbon monoxide concentration Jan. 10, 2012
8087235 Process for the removal of harmful substances from exhaust gases of combustion engines and catalyst for carrying out said process Jan. 3, 2012
8088201 Method and device for safe storage and use of volatile ammonia storage materials Jan. 3, 2012
8066963 Removal of particulates from the exhaust gas of internal combustion engines operated with a predominantly stoichiometric air/fuel mixture Nov. 29, 2011
8057766 Exhaust gas purifying apparatus and method for purifying exhaust gas Nov. 15, 2011
8021635 Combustion furnace humidification devices, systems and methods Sep. 20, 2011
8012439 Filter Sep. 6, 2011
8012440 Method for operating a device having at least one electrically heatable honeycomb body and device for the catalytic conversion of exhaust gases Sep. 6, 2011
8007748 Method of treating fluid containing vapor phase metals, vapor phase metal compounds, or both Aug. 30, 2011
7986870 Method and device for providing a gaseous substance mixture Jul. 26, 2011
7976809 Method and an equipment for reducing the sulphur dioxide emissions of a marine engine Jul. 12, 2011
7976801 System and method for the processing and incineration of diesel exhaust particulate matter Jul. 12, 2011
7964163 High density storage of ammonia Jun. 21, 2011
7959883 Engine exhaust gas reactors and methods Jun. 14, 2011
7955408 Device with no emission for treatment of exhaust gas Jun. 7, 2011
7950221 Methods and apparatus for controlling catalytic processes, including catalyst regeneration and soot elimination May. 31, 2011
7943104 CE-ZR based solid solutions and methods for making and using the same May. 17, 2011

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