| 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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| 12/02/2004 | WO2004052497A3 Activated carbon for odor control and method for making same |
| 12/02/2004 | WO2002027815A3 Polarized gas separator and liquid coalescer for fuel cell stack assemblies |
| 12/02/2004 | US20040242710 polyether ketone and/or sulfone copolymers having chemical resistance, used as polyelectrolyte membranes for fuel cells |
| 12/02/2004 | US20040242144 Method of regenerating an air dryer in a vehicle air system |
| 12/02/2004 | US20040241509 Reformer configured to generate reformed gas containing hydrogen and carbon monoxide, oxygen supply, and purifier containing oxidation catalyst for reducing concentration of carbon monoxide |
| 12/02/2004 | US20040241071 Solid multicomponent mixed proton and electron conducting membrane |
| 12/02/2004 | US20040241069 Mixture of etchants; decomposition of perfluorohydrocarbons; clean room |
| 12/02/2004 | US20040241068 reducing a transition metal chelate complex having amino tricarboxylate ligands, with hydrogen sulfide; regenerating the metal complex with an oxidizing agent; recirculation; oxidation resistance at basic pH levels; nontoxic; pollution control |
| 12/02/2004 | US20040241067 Catalyst containing, titanium oxide, vanadium oxide and phosphorus oxide |
| 12/02/2004 | US20040241064 Portable photoelectric air cleaner |
| 12/02/2004 | US20040241040 Tungsten oxide/titanium dioxide photocatalyst for improving indoor air quality |
| 12/02/2004 | US20040238788 Mixture of hydrogen bonding polymer, plasticizer, clays, adsorbent and metal stearate |
| 12/02/2004 | US20040238515 Heating element using charcoal |
| 12/02/2004 | US20040238443 Structured multi-purpose packings and their use |
| 12/02/2004 | US20040238344 Air purification system using excimer lamps for ultra-violet photocatalytic oxidation |
| 12/02/2004 | US20040238013 Method for the removal of airborne molecular contaminants using oxygen gas mixtures |
| 12/02/2004 | US20040237790 Adsorption filter material with high adsorption capacity and low breakthrough behavior |
| 12/02/2004 | US20040237789 Helium recovery |
| 12/02/2004 | US20040237786 Membranes and their manufacture |
| 12/02/2004 | US20040237784 Gas and odour treatment |
| 12/02/2004 | US20040237782 Ozone remediation apparatus and methods |
| 12/02/2004 | US20040237781 Method and device for cleaning air |
| 12/02/2004 | US20040237780 Producing device with high rate of hydrogen purification; coating porous substrate, abrasion polishing and depositing second material; reducing formation or propagation of unfavorable morphologies; heat resistance |
| 12/02/2004 | US20040237779 Composite gas separation modules having intermediate porous metal layers |
| 12/02/2004 | US20040237777 Method for the removal of airborne molecular contaminants using water gas mixtures |
| 12/02/2004 | US20040237634 Method of and apparatus for measuring mercury contained in gaseous medium |
| 12/02/2004 | US20040237580 Configurations and methods for improved ngl recovery |
| 12/02/2004 | US20040237528 Process for producing liquid carbon dioxide from combustion gas at normal pressure |
| 12/02/2004 | US20040237515 Exhaust gas purifying system |
| 12/02/2004 | US20040237513 System for controlling particulate filter temperature |
| 12/02/2004 | US20040237509 System and method for supplying clean pressurized air to diesel oxidation catalyst |
| 12/02/2004 | US20040237507 Exhaust gas purification unit with reducing agent supply |
| 12/02/2004 | US20040237506 Method of controlling operation of internal combustion engine |
| 12/02/2004 | US20040237488 Filter assembly with spin-on filters, and methods |
| 12/02/2004 | US20040237406 From hydrogenation and hydrocracking of a hydrocarbon stream; a hydrogen-permeable diffusion membrane separates the hydrogen gas from the residual gas; fuel cell vehicles and domestic heating systems |
| 12/02/2004 | US20040237333 Apparatus and method for moisture control |
| 12/02/2004 | DE19513658B4 Geruchsfilter für Staubsauger Odor filter for vacuum cleaner |
| 12/02/2004 | DE10323591A1 Device for producing a gas from a sublimation material, preferably ammonia from ammonium carbamate, comprises a heating arrangement assigned to sublimation material in a container |
| 12/02/2004 | DE10321846A1 Process and biodegradable plastic modular filter assembly to remove biologically degradable gaseous impurities from air or gas |
| 12/02/2004 | DE10321105A1 Regeneration einer Partikelfalle Regeneration of a particulate trap |
| 12/02/2004 | DE10320890A1 Aufheizen von Katalysatoren beim Betrieb von Verbrennungsmotoren mit Direkteinspritzung Heating of catalysts in the operation of internal combustion engines with direct |
| 12/02/2004 | DE10320314A1 Removing sulfur oxyfluorides from gas mixtures, by contacting with titanium dioxide catalyst at elevated temperature, useful e.g. for removing residual sulfuryl fluoride fumigant from contaminated air |
| 12/02/2004 | DE10319841A1 Device for treating diesel engine exhaust gases comprises storage tank for urea-water solution, and air line which opens into tank |
| 12/02/2004 | DE102004024115A1 Abgasreinigungssystem einer Brennkraftmaschine Emission control system of an internal combustion engine |
| 12/02/2004 | CA2829163A1 Oxidation process using microchannel technology and novel catalyst useful in same |
| 12/02/2004 | CA2526479A1 Metal-containing compositions and their use as catalyst composition |
| 12/02/2004 | CA2526438A1 Methods, apparatuses, and reactors for gas separation |
| 12/02/2004 | CA2525733A1 Microchannel with internal fin support for catalyst or sorption medium |
| 12/02/2004 | CA2525256A1 Oxidation process using microchannel technology and novel catalyst useful in same |
| 12/01/2004 | EP1482143A2 Method and apparatus for testing catalytic converter durability |
| 12/01/2004 | EP1482142A2 Method and apparatus for testing catalytic converter durability |
| 12/01/2004 | EP1482139A1 Exhaust gas purifying system |
| 12/01/2004 | EP1481719A2 Engine exhaust gas treatment system and exhaust gas treatment process |
| 12/01/2004 | EP1481718A1 Filter arrangement |
| 12/01/2004 | EP1481703A1 Oxygen enricher |
| 12/01/2004 | EP1480910A2 Mesoporous compound comprising a mineral phase of aluminium and cerium, titanium or zirconium oxide particles and, optionally, an element in solid solution in said particles, the preparation method thereof and uses of same |
| 12/01/2004 | EP1480908A1 Method for drying of hydrogen chloride from aqueous hydrogen chloride solutions |
| 12/01/2004 | EP1480907A1 System for generating hydrogen fuel to a fuel cell |
| 12/01/2004 | EP1480734A2 Device for the preparation and separation of especially biologically organic flow media |
| 12/01/2004 | EP1480733A1 Method for eliminating mercaptan from crude gas |
| 12/01/2004 | EP1480732A1 Method and unit for the production of hydrogen from a hydrogen-rich feed gas |
| 12/01/2004 | EP1430262A4 A process and apparatus for purifying hydrogen bromide |
| 12/01/2004 | EP1404745B1 Polyazole-based polymer films |
| 12/01/2004 | EP1224385B1 METHOD FOR DIAGNOSING THE LEVEL OF DETERIORATION OF AN NOx CATALYST LOCATED IN THE EXHAUST CHANNEL OF AN INTERNAL COMBUSTION ENGINE |
| 12/01/2004 | EP1222371B1 Device for dosing a reducing agent |
| 12/01/2004 | EP1218290B1 Method and device for producing a hydrogen or synthesis gas and use thereof |
| 12/01/2004 | CN2660351Y Electronic fume purifier |
| 12/01/2004 | CN2659868Y Household hollow superfiltering film water purifier |
| 12/01/2004 | CN2659533Y Drier having multi-loop protector assembly |
| 12/01/2004 | CN2659528Y High efficiency hemp-stone multi-stage wetting desulfurizing duster |
| 12/01/2004 | CN2659436Y Ultraviolet sterilizing and deodorizing appts. |
| 12/01/2004 | CN1551966A Humidity controller |
| 12/01/2004 | CN1551794A 医用氧气浓缩器 Medical Oxygen Concentrator |
| 12/01/2004 | CN1551397A Hydrogen generating device and fuel cell system |
| 12/01/2004 | CN1551291A Dried air supply device |
| 12/01/2004 | CN1550509A Perfluorinated polymers |
| 12/01/2004 | CN1550478A Method of forming a joint |
| 12/01/2004 | CN1550475A Planar ceramic membrane assembly and oxidation reactor system |
| 12/01/2004 | CN1550253A Method for removing nitrogen dioxide in the exhaust gas from a stationary power source |
| 12/01/2004 | CN1177765C Cerium oxide and zirconium oxide based compsn., method of prepn. and utilisation in catalysis |
| 12/01/2004 | CN1177764C Composition based on zirconium oxide and cerium oxide, preparation method therefor, and use thereof |
| 12/01/2004 | CN1177756C Process for preparing sulfuric acid |
| 12/01/2004 | CN1177641C Low pressure drop inlet design to promote good gas flow patterns in high velocity absorbers |
| 11/30/2004 | US6825381 Method and apparatus for absorbing (meth) acrylic acid |
| 11/30/2004 | US6825145 Exhaust gas purifying catalyst |
| 11/30/2004 | US6824752 Process and system for purifying gases |
| 11/30/2004 | US6824748 Air pollution control |
| 11/30/2004 | US6824743 Redesigned housing for internal combustion engine muffler system |
| 11/30/2004 | US6824596 Gas scrubbing device for odorizing equipment operation, service and emergency |
| 11/30/2004 | US6824595 Gas adsorption filter |
| 11/30/2004 | US6824593 Hydrogen purification membranes, components and fuel processing systems containing the same |
| 11/30/2004 | US6824592 Apparatus for hydrogen separation/purification using rapidly cycled thermal swing sorption |
| 11/30/2004 | US6824590 Use of lithium-containing fau in air separation processes including water and/or carbon dioxide removal |
| 11/30/2004 | US6824589 Materials and methods for the purification of inert, nonreactive, and reactive gases |
| 11/30/2004 | US6824588 For effectively removing nitrogen oxides and/or hydrocarbons from air |
| 11/30/2004 | US6824587 Method and apparatus for removing contaminants from gas streams |
| 11/30/2004 | US6823843 System and method to minimize the amount of NOx released from a NOx trap |
| 11/30/2004 | US6823727 Device having a sensor arrangement for determining the ambient-air quality and an arrangement of ozone sensors upstream and downstream of a radiator which is coated with a catalyst material, and method for operating a device of this type |
| 11/30/2004 | US6823722 Adsorbent state determining apparatus |
| 11/30/2004 | US6823665 Exhaust gas purification device |