| 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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| 04/22/2003 | US6551381 Retrofitting integrated scrubbers to provide maximum oxygen content in a controlled decomposition oxidation process |
| 04/22/2003 | US6551380 Compressing the offgas to produce a compressed offgas stream, recovering atleast some second component from compressed offgas to produce enriched offgas stream depleted from the second component, adosorbing first component through PSA |
| 04/22/2003 | US6551379 To remove water and water vapor from a natural gas stream |
| 04/22/2003 | US6551369 Ceramic flat membrane and method for producing the same |
| 04/22/2003 | US6550751 Gas-liquid contactor with liquid redistribution device |
| 04/22/2003 | US6550250 Process for the reduction of SCR NOx emissions and apparatus therefor |
| 04/22/2003 | US6550238 Apparatus for reducing the emission of vaporized hydrocarbons in a fuel supply system |
| 04/22/2003 | US6550236 Method for operating a three-way catalyst of an internal combustion engine |
| 04/22/2003 | CA2393475C Hydrogen-selective metal membrane modules and method of forming the same |
| 04/22/2003 | CA2242981C Method and apparatus for preventing biofouling in cooling water system |
| 04/22/2003 | CA2240691C System for exhaust gas purification |
| 04/17/2003 | WO2003031892A1 Mobile system with breathable fire extinguishing compositions |
| 04/17/2003 | WO2003031786A1 A low emission vehicle |
| 04/17/2003 | WO2003031783A1 Modular system and method for the catalytic treatment of a gas stream |
| 04/17/2003 | WO2003031781A1 NOVEL CATALYST FOR SELECTIVE NOx REDUCTION USING HYDROCARBONS |
| 04/17/2003 | WO2003031780A1 Systems and method for controlling diesel engine emissions |
| 04/17/2003 | WO2003031329A2 Claus feed gas hydrocarbon removal |
| 04/17/2003 | WO2003031328A1 Process and device in connection with the production of oxygen or oxygen enriched air |
| 04/17/2003 | WO2003031060A1 Transparent thin film and method for production thereof |
| 04/17/2003 | WO2003031058A1 Use of a tio2 composition as catalyst for hydrolyzing cos and/or hcn |
| 04/17/2003 | WO2003031037A1 Gas separating unit and method for manufacturing the same |
| 04/17/2003 | WO2003031030A2 Combustion process |
| 04/17/2003 | WO2003031029A1 Steam movement control device |
| 04/17/2003 | WO2003031028A1 Apparatus for continuous carbon dioxide absorption |
| 04/17/2003 | WO2003031027A1 Method and apparatus for treating a gas by adsorption in particular for purifying atmospheric air |
| 04/17/2003 | WO2003031023A1 Honeycomb filter |
| 04/17/2003 | WO2003004380A3 Packaging for a solid |
| 04/17/2003 | WO2003004134A3 Method for purifying exhaust gases |
| 04/17/2003 | WO2002085482A3 Method of making wall-flow monolith filter |
| 04/17/2003 | US20030073788 Vapor phase; pressure swing absorption |
| 04/17/2003 | US20030073566 Ion exchnaged molecular sieve and stabilized oxide on catalyst support |
| 04/17/2003 | US20030073561 Honeycomb body manufacturing method |
| 04/17/2003 | US20030072914 Biologically soluble honeycomb structure |
| 04/17/2003 | US20030072707 Wherein hydrogen sulfide reacts with oxygen or air to form thiosulfate product without producing elemental sulfur, and without the use of external combustion oxidizer |
| 04/17/2003 | US20030072703 Method for removing the harmful effects of organic halogen compound gas, apparatus for removing the harmful effects of organic halogen compound gas, system for fabricating semiconductor devices, and method for fabricating semiconductor devices |
| 04/17/2003 | US20030072694 Method for removing soot particles from an exhaust gas, associated collecting element and system |
| 04/17/2003 | US20030072693 Modular system and method for the catalytic treatment of a gas stream |
| 04/17/2003 | US20030072692 Combustion exhaust gas treatment system |
| 04/17/2003 | US20030071378 Method and device for temperature reduction of exhaust gas by making use of thermal water |
| 04/17/2003 | US20030070912 A fluid with a part to be pyrolysed is guided through a pyrolysis cell which is acted upon by a standing electromagnetic waves |
| 04/17/2003 | US20030070552 Waste gas treating device |
| 04/17/2003 | US20030070551 A transparent coating for protecting wood, brick, stucco, glass, steel and other materials from graffiti, paint, ink, mildew, rust and salt air. The protective coating of the present invention comprises: water, paraffin wax, a corrosion |
| 04/17/2003 | US20030070550 Modular pressure swing adsorption apparatus |
| 04/17/2003 | US20030070549 Treatment system for waste gas containing volatile organic compounds |
| 04/17/2003 | US20030070546 Recovery of nitrogen and light hydrocarbons from polyalkene purge gas |
| 04/17/2003 | US20030070545 Chemical modification of polyimides |
| 04/17/2003 | US20030070487 Fuel gauge for hydrogen storage media |
| 04/17/2003 | US20030070424 Impactor for selective catalytic reduction system |
| 04/16/2003 | EP1302648A2 Method for controlling engine exhaust gas system |
| 04/16/2003 | EP1302478A1 Recovery of olefin monomers |
| 04/16/2003 | EP1302234A1 Light-transmittable linear photocatalytic filter material, filter to which the material is applied, and process for production thereof |
| 04/16/2003 | EP1302233A2 Recovery of nitrogen and light hydrocarbons from polyalkene purge gas |
| 04/16/2003 | EP1301478A1 Apparatus and method for production of methanethiol |
| 04/16/2003 | EP1301435A1 Colloidal dispersion of a cerium compound or of a cerium compound and at least another element selected among rare earths and transition metals and comprising an amino acid |
| 04/16/2003 | EP1301272A1 Method for eliminating traces of hydrocarbons from gas streams |
| 04/16/2003 | EP1301271A1 Catalyst for decomposing nitrous oxide and method for performing processes comprising formation of nitrous oxide |
| 04/16/2003 | EP1301264A2 Hydrocarbon trap/catalyst composition |
| 04/16/2003 | EP1301263A1 Heat-regenerated adsorption dryer for gaseous media |
| 04/16/2003 | EP1301262A1 Air management system and method for chemical containment and contamination reduction in a semiconductor manufacturing facility |
| 04/16/2003 | EP1181088B1 Method for producing a catalyst and use of the catalyst for degrading dioxins and/or furans |
| 04/16/2003 | EP1155224B1 Vehicle power supply system |
| 04/16/2003 | EP1007827B1 Exhaust emission control system for denoxing exhaust gases from combustion units |
| 04/16/2003 | EP1007473B1 Method for performing catalytic or non-catalytic processes, with enriched oxygen as one of the reactants |
| 04/16/2003 | EP0979137B1 Method for operating an electrically heated catalyzer |
| 04/16/2003 | EP0958579B1 Device for recombining hydrogen in a gas mixture |
| 04/16/2003 | CN2544794Y Heatless adsorption high-pressure air/gas dryer |
| 04/16/2003 | CN2544793Y Negative pressre ammonia rear gas safety environmetally friendly recovery device |
| 04/16/2003 | CN2544792Y Low-consumption heatless regeneration dryer |
| 04/16/2003 | CN2544791Y Low-consumption heatless regeneration drying device |
| 04/16/2003 | CN1411533A Method for desulphurisation of NOx accumulator-catalyst arranged in exhaust system of IC engine |
| 04/16/2003 | CN1411394A Monolithic catalysts and related process for mfg. |
| 04/16/2003 | CN1411391A Catalytic devices |
| 04/16/2003 | CN1411390A Agent and method for removing polutants from gases |
| 04/16/2003 | CN1410720A 除湿机 Dehumidifiers |
| 04/16/2003 | CN1410589A Technique and equipment for making film by chemical vapour deposition process |
| 04/16/2003 | CN1410152A Constrained system for granule bed |
| 04/16/2003 | CN1410151A High adsorptivity light catalyzed air processor |
| 04/16/2003 | CN1410150A Composite type bioreactor waste gas processing equipment |
| 04/16/2003 | CN1410149A Combustion catalyst of hydrogen sulfide in gas and its preparation and use method |
| 04/16/2003 | CN1410148A Regeneration type harmful gas filter and its filtering material |
| 04/16/2003 | CN1105822C Honeycomb body having adsorption material especially for hydrocarbon trap |
| 04/16/2003 | CN1105616C Method for introducing solder into system |
| 04/16/2003 | CN1105593C Method of waste treatment for combination of chromium slag with pollutant from flue gas |
| 04/16/2003 | CN1105592C Pressure swing adsorption heat recovery |
| 04/15/2003 | US6548446 Catalyst for selective oxidation of carbon monoxide |
| 04/15/2003 | US6548439 High strength and high surface area catalyst, catalyst support or adsorber compositions |
| 04/15/2003 | US6548105 Cylinder body |
| 04/15/2003 | US6548033 Reducing nitrogen oxides by parallel combustion units |
| 04/15/2003 | US6548032 Process for the treatment of gases with high oxygen content, with a view to controlling nitrogen oxide emissions, using a catalytic composition comprising cerium oxide and/or zirconium oxide |
| 04/15/2003 | US6548031 Method for purifying a gas stream |
| 04/15/2003 | US6548027 Gas purification device |
| 04/15/2003 | US6547967 Open-cell foams; lightweight constructon material |
| 04/15/2003 | US6547958 Zeolite hydrocracking catalyst |
| 04/15/2003 | US6547861 Method and materials for purifying reactive gases using preconditioned ultra-low emission carbon material |
| 04/15/2003 | US6547859 Process for making microporous membranes having selected gas-selective sites and the membranes so made |
| 04/15/2003 | US6547858 Hydrogen-permeable metal membrane and hydrogen purification assemblies containing the same |
| 04/15/2003 | US6547855 Mass transfer system |
| 04/15/2003 | US6547854 Using (di)ethanolamine; salt formation |
| 04/15/2003 | US6547853 Circulating condensation treatment of dry dehumidifier regenerating gas |
| 04/15/2003 | US6547851 Miniaturized wearable oxygen concentrator |