| 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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| 01/14/2004 | CN1467014A Process for purifying gas streams using composite adsorbent |
| 01/14/2004 | CN1134644C Desiccant mixed polymer |
| 01/14/2004 | CN1134526C Method for dewatering and distillation of gas including pre-cooling step |
| 01/14/2004 | CN1134297C Catalyst composition containing oxygen storage components |
| 01/14/2004 | CN1134284C System for neutralising polluted gases by pyrolysis |
| 01/14/2004 | CN1134283C Process and device for the conversion of a greenhouse gas |
| 01/14/2004 | CN1134282C Water absorbing agent and preparing method thereof |
| 01/13/2004 | US6677482 Method of manufacturing (meth) acrylic acid |
| 01/13/2004 | US6677272 Mixed oxide catalyst; reduction of nitrogen oxides |
| 01/13/2004 | US6677264 Alkali metal, an alkaline earth metal, and a rare earth metal nitrogen oxide storage layer; zeolite layer hydrocarbon storage; catalytically active noble metal of the platinum group which is deposited in highly dispersed form on support |
| 01/13/2004 | US6676913 Stabilizer aluminum oxide |
| 01/13/2004 | US6676912 Method for removal of nitrogen oxides from stationary combustion sources |
| 01/13/2004 | US6676911 Calcium silicate hydrate and calcium hydroxide particles; high hydrogen chloride trapping capacity |
| 01/13/2004 | US6676850 Method, composition and system for the controlled release of chlorine dioxide gas |
| 01/13/2004 | US6676732 Separation of nitrogen from a gas mixture using zeolite SSZ-50 |
| 01/13/2004 | US6676727 Process for the manufacture of metal nanoparticle |
| 01/13/2004 | US6676723 Grease containment assembly |
| 01/13/2004 | US6675601 Air conditioner |
| 01/13/2004 | CA2311000C Selective removing method of carbon monoxide |
| 01/13/2004 | CA2063790C Biological fluid processing |
| 01/08/2004 | WO2004004043A1 Fluid separating device |
| 01/08/2004 | WO2004003669A2 Method for testing the integrity of dpf's |
| 01/08/2004 | WO2004002893A2 Composition based on zirconium oxide and oxides of cerium, lanthanum and of another rare earth, a method for preparing same and use thereof as catalyst |
| 01/08/2004 | WO2004002884A1 Method for separating a membrane and device for separating a membrane for enriching at least one gas component in a gas flow |
| 01/08/2004 | WO2004002639A1 Equipment for heat-treating powder waste |
| 01/08/2004 | WO2004002621A2 Multi-zone catalytic converter |
| 01/08/2004 | WO2004002616A2 Methanol steam reforming catalysts, steam reformers, and fuel cell systems incorporating the same |
| 01/08/2004 | WO2004002611A1 Doped ceria-containing zeolite-based nh3 scr catalyst |
| 01/08/2004 | WO2004002610A1 Plasma treating of a chemical species |
| 01/08/2004 | WO2004002609A2 Processes and apparatus using solid perm-selective membranes in multiple groups for simultaneous recovery of specified products from a fluid mixture |
| 01/08/2004 | WO2004002607A1 Method of producing honeycomb structures |
| 01/08/2004 | WO2004002600A2 Air filtration system |
| 01/08/2004 | WO2002083260A3 Liquid distributor in mass transfer column and method of installation and use |
| 01/08/2004 | US20040005492 Hydrogen recycle for solid oxide fuel cell |
| 01/08/2004 | US20040005264 Using zeolite SSZ-54 for reduction of oxides of nitrogen in a gas stream |
| 01/08/2004 | US20040005263 Process for reducing NOx in waste gas streams using sodium chlorite |
| 01/08/2004 | US20040005262 Process for reducing NOx in waste gas streams using chlorine dioxide |
| 01/08/2004 | US20040005252 Preventing the transmission of disease |
| 01/08/2004 | US20040005251 Allergy lamp |
| 01/08/2004 | US20040005250 Inflow device allows a portion of said catalytic converter body to receive exhaust at varying levels and opens to varying levels to said catalytic converter body based upon low or high exhaust gas outputs |
| 01/08/2004 | US20040005248 Waste high-pressure fluid processing method |
| 01/08/2004 | US20040004062 Plasma-assisted joining |
| 01/08/2004 | US20040004040 Processes using solid perm-selective membranes in multiple groups for simultaneous recovery of specified products from a fluid mixture |
| 01/08/2004 | US20040003723 Hydrocarbon adsorbent state determining apparatus |
| 01/08/2004 | US20040003721 Electrode self-cleaning mechanism for electro-kinetic air transporter-conditioner devices |
| 01/08/2004 | US20040003720 Membrane module for hydrogen separation |
| 01/08/2004 | US20040003717 Use of product gas recycle in processing gases containing light components with physical solvents |
| 01/08/2004 | US20040003716 Sorbents and methods for the removal of mercury from combustion gases |
| 01/08/2004 | US20040003715 Restrictor coupled to a drain tube for restricting flow of gas out of a coil to a predetermined flow rate to control reverse flow rate of extreme pressure differential hydrogen gas |
| 01/08/2004 | US20040003714 Gas separation using membranes formed from blends of perfluorinated polymers |
| 01/08/2004 | US20040003592 Hydrocarbon combustion power generation system with CO2 sequestration |
| 01/08/2004 | US20040003588 Device for purifying exhaust gas for engine |
| 01/08/2004 | US20040003587 Exhaust gas purifying apparatus and method for internal combustion engine |
| 01/08/2004 | DE29824987U1 Continual dry air feed process and assembly optimizes the conversion of chicken droppings into fertiliser |
| 01/08/2004 | DE10325012A1 Brennstoffzellensystem mit einem Fluorfilter Fuel cell system with a fluoride filter |
| 01/08/2004 | DE10322522A1 Schalldämpfer für Motoren Silencers for motors |
| 01/08/2004 | DE10322155A1 Abgasreinigungsanlage und Verfahren für eine Brennkraftmaschine Emission control system and method for an internal combustion engine |
| 01/08/2004 | DE10303085A1 Abgassteuerungsvorrichtung und -verfahren eines Verbrennungsmotors The exhaust gas control apparatus and method of an internal combustion engine |
| 01/08/2004 | DE10243790B3 Vorrichtung und Verfahren zur Reinigung eines Fluids Apparatus and method for purification of a fluid |
| 01/08/2004 | DE10226424A1 Verfahren und Vorrichtung zur Bereitstellung von Wasserstoff zum Betrieb einer Brennstoffzellenanlage A method and apparatus for providing hydrogen for operating a fuel cell system |
| 01/08/2004 | DE10224349A1 Verfahren und Vorrichtung zum Abscheiden von Verunreinigungen Method and apparatus for separation of impurities |
| 01/08/2004 | DE10223766A1 Verfahren zur Reinigung einer Spritzdüse für eine Harnstofflösung für die katalytische NOx-Reduktion von Abgasen A process for cleaning a spray nozzle for a urea solution for the catalytic NOx reduction of exhaust gases |
| 01/08/2004 | DE10221174A1 Abgasanlage für Dieselmotoren, die einen Partikelfilter aufweist Exhaust system for diesel engines, having a particle filter |
| 01/08/2004 | CA2489772A1 Composition based on zirconium oxide and oxides of cerium, lanthanum and of another rare earth, a method for preparing same and use thereof as catalyst |
| 01/08/2004 | CA2486250A1 Air filtration system |
| 01/07/2004 | EP1378645A2 Method and apparatus for purging a NOx trap |
| 01/07/2004 | EP1378494A1 Process and apparatus for treating biogenic residues, in particular sludges |
| 01/07/2004 | EP1378489A1 Metal oxides prepared by flame spray pyrolysis |
| 01/07/2004 | EP1378289A2 Platinum-group-metal free catalytic washcoats for particulate exhaust gas filter applications |
| 01/07/2004 | EP1378288A2 Platinum-group-metal free catalytic washcoats for particulate exhaust gas filter applications |
| 01/07/2004 | EP1378286A2 Adsorption gas dryer |
| 01/07/2004 | EP1378285A2 Gas separation using membranes formed from blends of perfluorinated polymers |
| 01/07/2004 | EP1377531A1 A process and a plant for the production of portland cement clinker |
| 01/07/2004 | EP1377502A1 Method and installation for distributing oxygen-enriched air to aircraft passengers |
| 01/07/2004 | EP1377367A1 Tubular filtering conduit for radial flow reactor |
| 01/07/2004 | EP1377360A2 Devices and methods for chemical reactive filtration |
| 01/07/2004 | EP1377359A1 Process for the preparation and recovery of carbon dioxide from waste gas or fumes produced by combustible oxidation |
| 01/07/2004 | EP1377358A1 Washer and method for purifying gases |
| 01/07/2004 | EP1150763B1 Method for simultaneously abating nitric oxides and nitrous oxides in gases containing them |
| 01/07/2004 | EP1148928B1 Dehydrator with mechanical vapour compression, installation and method for chemical purification of the vapour |
| 01/07/2004 | EP1144086B1 Air dryer for a vehicle |
| 01/07/2004 | EP1004000B1 Two stage process for drying of raw wood material |
| 01/07/2004 | CN2597070Y Photocatalysis reactor and photocatalysis circulation reactor |
| 01/07/2004 | CN2597065Y Double-loop repeat contacting process wet-desulfurizing device |
| 01/07/2004 | CN2597064Y Rotary spraying recirculation desulfurizing device |
| 01/07/2004 | CN2597063Y Air pollution purifying equipment |
| 01/07/2004 | CN2597062Y Desulfurizing device for duct gas |
| 01/07/2004 | CN2597061Y Air condensating drier |
| 01/07/2004 | CN2597060Y 油烟净化塔 Fume purification tower |
| 01/07/2004 | CN2597059Y Internal balance type compression filling device |
| 01/07/2004 | CN2597058Y Carbon adsorption cold washing device for recovering oil and gas |
| 01/07/2004 | CN1466761A Filter construction for disk drives and use method |
| 01/07/2004 | CN1466550A Adsorption container and iron oxide adsorber |
| 01/07/2004 | CN1466549A Contacting and adsorbent granules |
| 01/07/2004 | CN1466548A Contacting and adsorbent granules |
| 01/07/2004 | CN1466547A Contacting and adsorbent granules |
| 01/07/2004 | CN1466481A Method for reducing the sox emission from a plant for manufacturing cement clinker and such plant |
| 01/07/2004 | CN1465974A Double chromatographic column natural gas composition separation method with precolumn counter-blowing function |
| 01/07/2004 | CN1465523A Method for refining mixed gas at least containing carbon monoxide, carbon dioxide, nitrogen and hydrogen |
| 01/07/2004 | CN1465427A Catalyzing method for eliminating O3 and simutaneously eliminating O3 and CO |