| Patents for B01D 53 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols (135,933) |
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| 04/09/2002 | US6367246 Exhaust gas purification device for internal combustion engine |
| 04/09/2002 | CA2230714C Method for catalytically processing gases with a high oxygen content to reduce nitrogen oxide emissions |
| 04/09/2002 | CA2224409C Composition based on zirconium oxide and cerium oxide, preparation method therefor and use thereof |
| 04/09/2002 | CA2182069C Modular ceramic oxygen generator |
| 04/04/2002 | WO2002027815A2 Polarized gas separator and liquid coalescer for fuel cell stack assemblies |
| 04/04/2002 | WO2002027160A1 Device for generating a reducing agent/air mixture |
| 04/04/2002 | WO2002026633A1 Adsorption container and iron oxide adsorber |
| 04/04/2002 | WO2002026632A1 Contact and adsorber granulates |
| 04/04/2002 | WO2002026631A1 Contacting and adsorbent granules |
| 04/04/2002 | WO2002026630A1 Contact and adsorber granulates |
| 04/04/2002 | WO2002026620A1 Hydrogen forming device |
| 04/04/2002 | WO2002026379A1 Catalytic soot filter and use thereof in treatment of lean exhaust gases |
| 04/04/2002 | WO2002026378A1 Conversion of methane and hydrogen sulfide in non-thermal silent and pulsed corona discharge reactors |
| 04/04/2002 | WO2002026365A1 Fluid distribution frame for multiple-chamber stacks |
| 04/04/2002 | WO2002026361A1 Biofiltering system for treating air |
| 04/04/2002 | WO2002026360A1 Biofiltering system for treating air |
| 04/04/2002 | WO2002026359A1 Gas permeation device and method |
| 04/04/2002 | WO2002026357A2 Apparatus and process for hydrogen sulfide removal |
| 04/04/2002 | WO2002026356A2 Process for reduction of gaseous sulfur compounds |
| 04/04/2002 | WO2002026355A2 Process and apparatus for treating waste anesthetic gas |
| 04/04/2002 | WO2002026351A1 Catalyst-carrying filter |
| 04/04/2002 | WO2002009853A8 Method and device for cleaning installations designed to remove nitrogen and fitted with catalysts |
| 04/04/2002 | WO2001078896A3 Purification apparatus and method |
| 04/04/2002 | WO2001068241A3 Reactive media, methods of use and assemblies for purifying fluids |
| 04/04/2002 | US20020039964 Large number of pores that enable the catalyst to be loaded directly |
| 04/04/2002 | US20020039798 Method for the preparation of ferroelectric semiconductive coating and apparatus for removing environmental air pollutants using this coating and electric power |
| 04/04/2002 | US20020039550 Process and catalyst for reducing nitrogen oxides |
| 04/04/2002 | US20020039549 Exhaust-gas purification catalyst to be used close to the engine and process for its production |
| 04/04/2002 | US20020038657 Oxygen supply apparatus, controller for the oxygen supply apparatus, and recording medium for the controller |
| 04/04/2002 | US20020038603 Method for the separation of molecules in the gas phase by adsorption by means of agglomerated solid inorganic adsorbents with a narrow and calibrated mesopore distribution |
| 04/04/2002 | US20020038602 Method of preparing composite gas separation membranes from perfluoropolymers |
| 04/04/2002 | US20020038543 Fuel control apparatus for an engine |
| 04/04/2002 | US20020038542 Hydrogen-containing gas producing system and exhaust gas purifying system using same |
| 04/04/2002 | US20020038541 Engine air and fuel control |
| 04/04/2002 | DE10045683A1 Elektrochemischer Sauerstoffkonzentrator Electrochemical Oxygen Concentrator |
| 04/04/2002 | DE10045586A1 Verfahren sowie Einrichtung zur Reinigung von Schwefeldioxid enthaltenden Rauchgasen Method and device for cleaning flue gases containing sulfur dioxide |
| 04/04/2002 | DE10036443A1 Klimatisierungssystem für Flugzeuge Cooling system for aircraft |
| 04/04/2002 | CA2424007A1 Process for reduction of gaseous sulfur compounds |
| 04/04/2002 | CA2423821A1 Apparatus and process for hydrogen sulfide removal |
| 04/04/2002 | CA2423591A1 Catalytic soot filter and use thereof in treatment of lean exhaust gases |
| 04/04/2002 | CA2423410A1 Conversion of methane and hydrogen sulfide in non-thermal silent and pulsed corona discharge reactors |
| 04/04/2002 | CA2423367A1 Process and apparatus for treating waste anesthetic gas |
| 04/04/2002 | CA2423178A1 Adsorption container and iron oxide adsorber |
| 04/04/2002 | CA2423173A1 Contact and adsorber granules |
| 04/04/2002 | CA2423010A1 Contact and adsorber granules |
| 04/04/2002 | CA2358277A1 Catalyst filter, method for producing the same and method for treating exhaust gas with the same |
| 04/03/2002 | EP1193444A1 Method for simultaneously reducing CO2 and SO2 emissions in a combustion plant |
| 04/03/2002 | EP1193383A2 Engine fuel control apparatus, method and computer program product |
| 04/03/2002 | EP1193376A2 Control of an NOx-storage catalyst |
| 04/03/2002 | EP1192991A2 A method for preparing a catalyst for selective catalytic reduction of nitrogen oxides |
| 04/03/2002 | EP1192990A2 A method for preparing a catalyst for selective catalytic reduction of nitrogen oxides |
| 04/03/2002 | EP1192981A1 Desulfurizing agent and method for desulfurization of hydrocarbon |
| 04/03/2002 | EP1192339A2 Device for catalytic treatment of a motor vehicle engine exhaust gases |
| 04/03/2002 | EP1192338A1 Device provided for carrying out catalytic conversion which comprises a supporting body that is connected to a casing in areas |
| 04/03/2002 | EP1192337A1 Valve seat device for a metering valve of an exhaust treatment station |
| 04/03/2002 | EP1192336A1 Device for treating exhaust gas |
| 04/03/2002 | EP1192004A1 Catalyst support body for two-wheeled or diesel vehicles |
| 04/03/2002 | EP1191995A1 Device for impinging a flowing gas with a reactant |
| 04/03/2002 | EP1129036A4 Bottled water cooler with built-in oxygen generator and oxygen injection system |
| 04/03/2002 | EP1121513B1 Method for reducing nitrogen oxide in the exhaust gases of an internal combustion engine operated with a lean mixture |
| 04/03/2002 | EP1109612A4 Apparatus and method for point-of-use abatement of fluorocompounds |
| 04/03/2002 | EP1090220B1 METHOD FOR REGENERATING AN NOx STORAGE CATALYST FOR AN INTERNAL COMBUSTION ENGINE |
| 04/03/2002 | EP1088157B1 METHOD FOR DESULPHATIZING AN NO x? ACCUMULATOR CATALYTIC CONVERTER |
| 04/03/2002 | EP1062025A4 IMPROVED PROCESS FOR TREATING H 2?S-LEAN STREAMS WITH RECYCLE OF SOx FROM BURNER |
| 04/03/2002 | EP0975414B1 Method for regenerating a loaded wash liquid from a gas desulfurization facility |
| 04/03/2002 | EP0851839B1 Method of manufacturing high purity calcium carbonate |
| 04/03/2002 | EP0792187B1 Method and devices for the chemical purification of thermal engine exhaust gases |
| 04/03/2002 | CN2484105Y Field-flow fractionating oxygenator |
| 04/03/2002 | CN2484103Y Double-plate water-film dust-removing sweetening apparatus |
| 04/03/2002 | CN1343292A Dehumifier/air-conditioning system |
| 04/03/2002 | CN1343134A Method for desulphurization of gases |
| 04/03/2002 | CN1342520A Catalyst for cleaning tail gas of car and its preparing process |
| 04/03/2002 | CN1342509A Two-stage pressure-variable adsorption process for decarbonizing raw gas in production of urea |
| 04/03/2002 | CN1342508A Temp. changed adsorption method |
| 04/03/2002 | CN1342507A Sulfur recovering catalyst carrying nm TiO2 particles and its preparing process |
| 04/03/2002 | CN1082133C Honeycombed body with heat insualted preferably for exhaust gas catalyzer |
| 04/03/2002 | CN1081943C Method of treating waste gas by pulse electron beams irradiation |
| 04/03/2002 | CN1081942C Treatment method of headspace feeding sample for acid/neutral or alkaline/neutral substance of structure liked |
| 04/03/2002 | CN1081941C Exhaust desulfuration device |
| 04/03/2002 | CN1081940C Exhaust desulfuration method |
| 04/03/2002 | CN1081939C Gas-liquid contact gas dispersion pipe, and gas-liquid contact method and apparatus using the same |
| 04/02/2002 | US6365784 Preparation of ethylene by gas permeation |
| 04/02/2002 | US6365734 Cucurbituril derivatives, their preparation methods and uses |
| 04/02/2002 | US6365283 Monolithic metallic honeycomb body with a varying number of channels and method for manufacturing the honeycomb body |
| 04/02/2002 | US6365267 Multilayer intumescent sheet and pollution control device |
| 04/02/2002 | US6365123 Sol-gel processed metal-zirconia materials |
| 04/02/2002 | US6365119 Method of operating a catalytic converter |
| 04/02/2002 | US6365118 Reduction of NOx in the exhaust from leanOx internal combustion engines |
| 04/02/2002 | US6365112 Distribution of corona discharge activated reagent fluid injected into electrostatic precipitators |
| 04/02/2002 | US6365099 Reducing odors; spray nozzle; oxidation of impurities |
| 04/02/2002 | US6365092 Method for producing a sintered porous body |
| 04/02/2002 | US6364996 Device for treatment and removal of aqueous liquids by controlled atmospheric action |
| 04/02/2002 | US6364943 Gas treatment system |
| 04/02/2002 | US6364942 Dehumidifier using non-rotating desiccant material |
| 04/02/2002 | US6364938 Sorbent system and method for absorbing carbon dioxide (CO2) from the atmosphere of a closed habitable environment |
| 04/02/2002 | US6364937 Dehumidifier; one or more zeolite hygroscopic monoliths shaped and arranged to permit air to flow through the desiccant housing without relatively high pressure resistance or turbulence |
| 04/02/2002 | US6364936 Selective sorption and desorption of gases with electrically heated activated carbon fiber cloth element |
| 04/02/2002 | US6364933 Apparatus for use with a natural gas dehydrator |
| 04/02/2002 | US6364130 Dish rack |
| 04/02/2002 | US6363923 Oxygen enrichment device for the combustion air of internal combustion engines |