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Class Information
Number: 422/171
Name: Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing > Chemical reactor > Waste gas purifier > Including means providing sequential purification stages > Plural chemical reaction stages > Solid, extended surface, fluid contact type
Description: Apparatus wherein the reaction stages contain solid extended surface fluid contact reaction means (i.e., means providing a relatively large solid fluid contact surface area within the reaction zone).

Patents under this class:

Patent Number Title Of Patent Date Issued
8709366 Configurations and methods for effluent gas treatment Apr. 29, 2014
8702845 System and method for low NOx emitting regeneration of desiccants Apr. 22, 2014
8702832 Securable mounting material and method of making and using the same Apr. 22, 2014
8685140 Particle filter and a method for operating a particle filter Apr. 1, 2014
8685127 Compact filter, method for producing a compact filter, and filter medium Apr. 1, 2014
8679431 Air pollution control system and method Mar. 25, 2014
8679411 Exhaust-gas purification catalytic system Mar. 25, 2014
8679209 Pulsed plasma regeneration of a particulate filter Mar. 25, 2014
8673227 System for removal of carbon dioxide from a process gas Mar. 18, 2014
8673064 Partial wall-flow filter and method Mar. 18, 2014
8673045 Cordierite aluminum magnesium titanate compositions and ceramic articles comprising same Mar. 18, 2014
8673044 Process for producing aluminum titanate-based ceramics body Mar. 18, 2014
8673043 Fluid filter Mar. 18, 2014
8668757 Method for producing a ceramic filter element and filter element Mar. 11, 2014
8663587 Catalyzed soot filter and emissions treatment systems and methods Mar. 4, 2014
8663586 High performance mercury capture Mar. 4, 2014
8663567 Catalyst for removing nitrogen oxides Mar. 4, 2014
8663357 Holding sealing material, exhaust gas purifying apparatus, and method for manufacturing exhaust gas purifying apparatus Mar. 4, 2014
8663356 Honeycomb structure Mar. 4, 2014
8661788 Exhaust aftertreatment systems that include an ammonia-SCR catalyst promoted with an oxygen storage material Mar. 4, 2014
8657914 Exhaust gas purifying filter Feb. 25, 2014
8641791 Method of supplying iron to the particulate trap of a diesel engine exhaust Feb. 4, 2014
8636959 Selective catalytic reduction type catalyst, and exhaust gas purification equipment and purifying process of exhaust gas using the same Jan. 28, 2014
8636821 Ceramic honeycomb structure and its production method Jan. 28, 2014
8632620 Holding sealing material, exhaust gas purifying apparatus, and method for manufacturing exhaust gas purifying apparatus Jan. 21, 2014
8632619 Filter element, in particular for filtering exhaust gases of an internal combustion engine Jan. 21, 2014
8617494 Condenser and method for cleaning flue gases Dec. 31, 2013
8617474 Systems utilizing non-zeolitic metal-containing molecular sieves having the CHA crystal structure Dec. 31, 2013
8617295 Active-particulate air filter having monolith primary filter and polishing filter Dec. 31, 2013
8609581 Honeycomb structure and honeycomb catalytic body Dec. 17, 2013
8608835 Exhaust gas purification system for an internal combustion engine Dec. 17, 2013
8608820 Filter for filtering particulate matter from exhaust gas emitted from a compression ignition engine Dec. 17, 2013
8608819 Filter device for filtering gaseous fluids Dec. 17, 2013
8601802 Exhaust gas purifying device Dec. 10, 2013
8597602 Vacuum truck scrubber system Dec. 3, 2013
8591770 Process for the production of syngas for ammonia synthesis Nov. 26, 2013
8591623 Honeycomb manufacturing method using ground nut shells and honeycomb body produced thereby Nov. 26, 2013
8591614 Method of manufacturing exhaust gas purifying apparatus and exhaust gas purifying apparatus Nov. 26, 2013
8585795 Ceramic nanofibers for liquid or gas filtration and other high temperature (> C.) applications Nov. 19, 2013
8580009 Honeycomb filter Nov. 12, 2013
8574335 Holding sealing material, exhaust gas purifying apparatus, and method of manufacturing exhaust gas purifying apparatus Nov. 5, 2013
8574334 Mat, holding sealing material, method for producing mat, and exhaust gas purifying apparatus Nov. 5, 2013
8568673 Gas analysis device, mercury removal system, gas analysis method, and removal method for mercury in flue gas Oct. 29, 2013
8557206 Configurations and methods for effluent gas treatment Oct. 15, 2013
8557012 Molten oxide grains including Al and Ti, and ceramic materials comprising said grains Oct. 15, 2013
8557011 Marked honeycomb structure Oct. 15, 2013
8557010 Fused grains of oxides comprising Al, Ti, Si and ceramic products comprising such grains Oct. 15, 2013
8557009 Ceramic filter element and method of manufacture Oct. 15, 2013
8545782 CO.sub.2 recovery apparatus and CO.sub.2 recovery method Oct. 1, 2013
8540793 Exhaust processing device and manufacturing method thereof Sep. 24, 2013

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