| 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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| 05/04/2004 | US6730144 Air purifying filter using modified enzymes |
| 05/04/2004 | US6730143 Truck air dryer purge air cleaner |
| 05/04/2004 | US6730142 Pressure and/or temperature swing adsorption of propene from mixtures with propane, using adsorbent beds comprising crystal structured porometric materials such as aluminophosphates |
| 05/04/2004 | US6729329 System for removal of halocarbon gas from waste anesthetic gases |
| 05/04/2004 | US6729129 Purifying a large amount of hydrocarbons (hc) discharged from a vehicle at a low temperature at time of starting up an engine. |
| 05/04/2004 | US6729128 Emission control apparatus and emission control method |
| 05/04/2004 | US6729125 Exhaust gas purifying system |
| 05/04/2004 | US6729039 Process dehumidifier regeneration control method and apparatus |
| 05/04/2004 | CA2265083C Method and apparatus for processing polluted gas containing harmful substances |
| 05/04/2004 | CA2116089C Method and apparatus for dewatering gas stream resulting in a clean water effluent |
| 04/30/2004 | CA2447381A1 Plant based system for abatement of gaseous ammonia contamination |
| 04/29/2004 | WO2004036665A2 Customized flow path substrate |
| 04/29/2004 | WO2004036117A2 In-drum pyrolysis system |
| 04/29/2004 | WO2004036048A1 Condensate elimination in compressor systems |
| 04/29/2004 | WO2004036005A2 Exhaust gas cleaning system of an internal combustion engine and method for cleaning exhaust gases |
| 04/29/2004 | WO2004036004A1 Method and device for reprocessing exhaust gas of an internal combusting engine |
| 04/29/2004 | WO2004035869A1 A method for operating one or more electrolysiscells for production of aluminium |
| 04/29/2004 | WO2004035867A2 Process for treating gaseous emissions generated during production of carbon anodes in an aluminum plant |
| 04/29/2004 | WO2004035471A1 Method of purification of carbon dioxide |
| 04/29/2004 | WO2004035207A1 Silicon carbide-based catalytic material and process for producing the same |
| 04/29/2004 | WO2004035203A1 Catalytic composition based on alumina, manganese, potassium, rubidium or cesium and platinum and use thereof as nox trap in gas treatment |
| 04/29/2004 | WO2004035202A1 Improved oxygen storage component |
| 04/29/2004 | WO2004035201A1 A lithium aluminate layered catalyst and a selective oxidation process using the catalyst |
| 04/29/2004 | WO2004035182A1 Multi-tube separation membrane module |
| 04/29/2004 | WO2004035181A1 Hollow fibre module |
| 04/29/2004 | WO2004035179A1 Composition and filter system using the said composition |
| 04/29/2004 | WO2004035178A1 Method for purifying carbon dioxide |
| 04/29/2004 | WO2004035177A1 Adsorbing filter element |
| 04/29/2004 | WO2004035176A1 Production of sulphur and activated carbon |
| 04/29/2004 | WO2004035173A1 Air purification filter and process for producing the same |
| 04/29/2004 | WO2004022204A9 Dehydrating breather apparatus and method |
| 04/29/2004 | WO2003095058A3 Plasma-assisted multi-part processing |
| 04/29/2004 | WO2003070366A8 Zeolite a exchanged with potassium for recovering h2s from a gaseous mixture |
| 04/29/2004 | US20040082873 Scrubber |
| 04/29/2004 | US20040082744 Amidomethylating a styrene polymer; ion echange resins; removal metal from aqueous solution |
| 04/29/2004 | US20040082470 First cerium-free zone including oxides of aluminum, alkali and alkaline earth metals and precious metals and a second zone with a lower loading of precious metals, oxides of aluminum, alkali or alkaline earth metals |
| 04/29/2004 | US20040082469 Perovskite catalyst system for lean burn engines |
| 04/29/2004 | US20040082468 Ceramic catalyst |
| 04/29/2004 | US20040082089 Oled package and method for fabricating the same |
| 04/29/2004 | US20040081848 Honeycomb structure and assembly thereof |
| 04/29/2004 | US20040081614 Simultaneous shift-reactive and adsorptive process at moderate temperature to produce pure hydrogen |
| 04/29/2004 | US20040081607 Exhaust aperture; trap |
| 04/29/2004 | US20040081606 Removal of mercury using anionic polymer; water pollution control |
| 04/29/2004 | US20040081605 Washing with aqueous solution containing slenium compound; precipitation as selenium-mercury alloy at low temperature |
| 04/29/2004 | US20040081598 Reactor trapping and oxidation of carbonaceous material |
| 04/29/2004 | US20040081596 Titanium oxide photocatalyst overcoating on wire gauze; ultraviolet radiation lamp |
| 04/29/2004 | US20040081594 Seamless catalytic converter comprising inner heat shield |
| 04/29/2004 | US20040081592 Device and method for post-engine introduction of an auxilliary agent in an exhaust gas stream |
| 04/29/2004 | US20040080059 Vapor-liquid contact trays and method employing same |
| 04/29/2004 | US20040079708 System and method for photocatalytic treatment of contaminated media |
| 04/29/2004 | US20040079694 Module for treating fluids and a method of producing a module of this type |
| 04/29/2004 | US20040079692 Membrane module for gas transfer and membrane supported biofilm process |
| 04/29/2004 | US20040079631 Method for reducing particle emissions containing carbon of diesel motors and a corresponding system |
| 04/29/2004 | US20040079421 Fuel-conditioning device |
| 04/29/2004 | US20040079235 Flue gas desulfurization system with a stepped tray |
| 04/29/2004 | US20040079233 Electrode self-cleaning mechanism for electro-kinetic air transporter-conditioner devices |
| 04/29/2004 | US20040079228 Natural gas dehydration process and apparatus |
| 04/29/2004 | US20040079227 System and method for handling fluid using a manifold |
| 04/29/2004 | US20040079074 Construction for exhaust emission control |
| 04/29/2004 | US20040079060 Non-woven fiber filters; air pollution control; exhaust systems for diesel engines |
| 04/29/2004 | DE10346029A1 Exhaust emission control device for internal combustion engine e.g. diesel engine, detects catalyst state in diesel particulate filter based on temperature value calculated by electronic control unit |
| 04/29/2004 | DE10259661A1 Hohlfaser-Modul Hollow fiber module |
| 04/29/2004 | DE10251624A1 Katalysator-Trägerkörper mit Passivierungsschicht sowie Verfahren zu dessen Herstellung A catalyst carrier body with a passivation layer as well as methods for its preparation |
| 04/29/2004 | DE10248518A1 Adsorptionsfilterelement Adsorption filter |
| 04/29/2004 | DE10247989A1 Abgasreinigung einer Brennkraftmaschine und Verfahren zur Reinigung deren Abgase Emission control of an internal combustion engine and method for cleaning the exhaust gases |
| 04/29/2004 | DE10247987A1 Anordnung und Verfahren zur Nachbehandlung des Abgases einer Brennkraftmaschine Arrangement and method for the aftertreatment of the exhaust gas of an internal combustion engine |
| 04/29/2004 | DE10247582A1 Verfahren zur Herstellung eines Katalysatorgehäuses A process for producing a catalytic converter housing |
| 04/29/2004 | CA2502660A1 A method for operating one or more electrolysiscells for production of aluminium |
| 04/29/2004 | CA2409883A1 Extraction of nitrogen compounds from combustion exhaust gases |
| 04/28/2004 | EP1413546A1 Silmultaneous shift-reactive and adsorptive process to produce pure hydrogen |
| 04/28/2004 | EP1413356A1 Filtering honeycomb structure with voids, method for its manufacturing, and its use in exhaust gas purification system |
| 04/28/2004 | EP1413349A1 Process for the catalytic decomposition of nitrous oxide (N2O) |
| 04/28/2004 | EP1413348A1 Adsorbent sheet material for parallel flow passage contacting devices |
| 04/28/2004 | EP1413345A1 Honeycomb structural body and method of manufacturing the structural body |
| 04/28/2004 | EP1413344A1 Honeycomb structural body |
| 04/28/2004 | EP1413343A1 Liquid-to-gas contact device |
| 04/28/2004 | EP1412682A1 Process for recovering ethane and heavier hydrocarbons from a methane-rich pressurized liquid mixture |
| 04/28/2004 | EP1412622A1 Method for warm-up of catalyst of exhaust gas treatment device |
| 04/28/2004 | EP1412550A2 Support with getter-material for microelectronic, microoptoelectronic or micromechanical device |
| 04/28/2004 | EP1412289A1 Zeolite ssz-58 |
| 04/28/2004 | EP1412074A1 Catalyst or sorbent beds |
| 04/28/2004 | EP1412060A1 Gasoline engine with an exhaust system for combusting particulate matter |
| 04/28/2004 | EP1412059A1 A method and a device for the separation of sulphur dioxide from a gas |
| 04/28/2004 | EP1412058A1 Apparatus and process for separating purified methans |
| 04/28/2004 | EP1412057A1 Control system for helium recovery |
| 04/28/2004 | EP1412056A1 Method for the removal of acid gases from a gas flow |
| 04/28/2004 | EP1412055A1 Method for the separation of gaseous components from technical gases by means of ethylene glycol dimethyl ethers at low temperatures |
| 04/28/2004 | EP1412053A1 Method for carbon monoxide reduction during thermal/wet abatement of organic compounds |
| 04/28/2004 | EP1315547B1 Process and apparatus for recovering sulphur from a gas stream containing hydrogen sulphide |
| 04/28/2004 | EP1303345B1 Method for removing acid gases from a fluid, and washing liquid for use in one such method |
| 04/28/2004 | EP1183454B1 METHOD OF CONTROLLING AN NOx STORAGE CATALYST |
| 04/28/2004 | EP1177030B1 Absorbent compositions for the removal of acid gases from the gas streams |
| 04/28/2004 | EP1112117B1 Catalytic converter for removing ozone having anodized and washcoat layers |
| 04/28/2004 | EP1049529B1 Combatting air pollution |
| 04/28/2004 | EP0978558B1 Method for treating ethanol contained in exhaust gas |
| 04/28/2004 | CN2613314Y Dynamic gas dust-removing washing purifier |
| 04/28/2004 | CN2613313Y Source device for measuring liquid level of desulfurization tower |
| 04/28/2004 | CN2613310Y Hyperbolic pipe high-efficient fume purifier |
| 04/28/2004 | CN1492983A Air conditioner having oxygen enriching device |
| 04/28/2004 | CN1492965A Method and device for controlling exhaust treating system |