| 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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| 12/09/1999 | DE19903215A1 Reaction purifier of microorganism installed in engine system |
| 12/09/1999 | DE19828249A1 Liquid absorbent scrubber for drying and cleaning recirculant air-conditioning flows |
| 12/09/1999 | DE19826186A1 Production of iron hydroxide in lump form useful as adsorbent for removing contaminants from water or gases |
| 12/09/1999 | DE19825522A1 Catalyst body used in plants that burn coal and heavy oil |
| 12/09/1999 | DE19825241A1 Electric filter ioniser, e.g. for air cleansing systems |
| 12/09/1999 | DE19825230A1 Wabenkörperanordnung Honeycomb arrangement |
| 12/09/1999 | DE19825148A1 Verfahren und Vorrichtung zur Stickoxid-Reduktion mittels Harnstoff in mit Katalysatoren ausgerüsteten Abgasanlagen von Brennkraftmaschinen, insbesondere auf Kraftfahrzeugen Method and device for reduction of nitrogen oxides by means of urea in exhaust systems with catalytic converters for internal combustion engines, in particular motor vehicles |
| 12/09/1999 | DE19825018A1 Verfahren und Blechpaket zur Herstellung eines Wabenkörpers mit einer Vielzahl von für ein Fluid durchlässigen Kanälen The method and the laminated core for the production of a honeycomb body having a plurality of passages through which a fluid channels |
| 12/09/1999 | DE19824666A1 Separation of mixtures of substances using permeable material |
| 12/09/1999 | CA2336408A1 Desiccant entrained polymer |
| 12/09/1999 | CA2334014A1 Desiccant blended in a thermoplastic |
| 12/09/1999 | CA2333457A1 Structured packing and element therefor |
| 12/09/1999 | CA2332409A1 Stack filter assembly and methods |
| 12/09/1999 | CA2299472A1 Hydrophobic permeable composite, method for producing said composite and use of the same |
| 12/09/1999 | CA2299461A1 Ion-conducting composite which is permeable to matter, method for producing said composite, and use of the same |
| 12/08/1999 | WO1999064137A1 Method for removing hydrogen sulfide from natural gas |
| 12/08/1999 | EP0962700A2 Dioxin depressant and method for use thereof |
| 12/08/1999 | EP0962632A2 Process and device for reducing nitrogen oxides by using urea in the exhaust systems of internal combustion engines equipped with catalytic converters, especially for motor vehicles |
| 12/08/1999 | EP0962551A1 Thiacrown ether compound corrosion inhibitors for alkanolamine units. |
| 12/08/1999 | EP0962248A1 Abatement system for CIF3 containing exhaust gases. |
| 12/08/1999 | EP0962247A2 Removal of NOx and SOx emissions from gaseous effluents |
| 12/08/1999 | EP0961876A1 Method for running a diesel engine |
| 12/08/1999 | EP0961871A1 Control method and device for a combustion system, catalytic purification of exhaust gas from a combustion system, and the combustion system |
| 12/08/1999 | EP0961702A1 Filtering device for equipping a ventilation and/or heating and/or air conditioning unit, more particularly for a motor vehicle |
| 12/08/1999 | EP0782541B1 Process for separating hydrogen halides from gases containing sulphur dioxide |
| 12/08/1999 | EP0691880B1 Filter device for the filtration of fluids |
| 12/08/1999 | CN2352508Y Man operated oxygen generator |
| 12/08/1999 | CN2352247Y Apparatus for dust-removing and desulfurizing using 'Mashi' stone |
| 12/08/1999 | CN2352246Y Centrifugical water removing device attached to wet type dust remover |
| 12/08/1999 | CN2352244Y Industrial stack gas treating equipment |
| 12/08/1999 | CN1237480A Anti-poisoning anti-sintering rare earth catalyst and its preparation method |
| 12/08/1999 | CN1237474A Technological process for making gas desulfurization by adopting liquid-phase catalytic oxidation method and its equipment |
| 12/08/1999 | CN1237473A Removal of NOx and SOx emissions from pickling lines for metal treatment |
| 12/08/1999 | CN1237472A Method for recovering sulfur dioxide from gas and its equipment |
| 12/08/1999 | CN1237471A Application of chrome-contained waste catalyst as desulfurizing agent |
| 12/08/1999 | CN1047146C Process for removal of impurity contained in composite gas |
| 12/08/1999 | CA2288645A1 Method for removing hydrogen sulfide from natural gas |
| 12/07/1999 | US5997984 A combination of talc with a median particle diameter exceeding 7 mum and not greater than 20 mum and with a cao content of 0.2 wt % or less and another cordierite material such as kaolin |
| 12/07/1999 | US5997841 Zincoaluminosilicates of the FAU structure |
| 12/07/1999 | US5997831 Method of catalytically treating the atmosphere and heat exchange devices produced thereby |
| 12/07/1999 | US5997830 Bringing the exhaust gas in contact with an iridium-containing catalyst in a first zone and then in contact with a platinum-containing catalyst in a second zone situated downstream of the first zone |
| 12/07/1999 | US5997829 Sheet comprising metal or metal oxide particles, adsorbent particles consisting essentially of at least one selected from the group consisting of activated carbon, silica gel and sepiolite, thermoplastic resin particles |
| 12/07/1999 | US5997824 Disposing harmful components of gases and a mixture thereof which are generated during the manufacturing of a semiconductor device. |
| 12/07/1999 | US5997823 Utilizing a slurry consisting of water, calcium chloride and at least one absorbing agent |
| 12/07/1999 | US5997822 Removing nitrogen oxides from the exhaust gases of gas turbines, boilers, etc. by selective catalytic reduction. |
| 12/07/1999 | US5997744 Fluid separation module having a porous monolithic core |
| 12/07/1999 | US5997733 Surgical waste liquid and smoke disposal system |
| 12/07/1999 | US5997618 Filter and method for making a filter |
| 12/07/1999 | US5997617 Pressure swing absorption system with multi-chamber canister |
| 12/07/1999 | US5997614 Filter with diffusion channel and methods of making and using the filter |
| 12/07/1999 | US5997613 Gas phase adsorption process utilizing oxidized pitch-based activated carbon fibers |
| 12/07/1999 | US5997612 Pressure swing adsorption process and apparatus |
| 12/07/1999 | US5997611 Single vessel gas adsorption system and process |
| 12/07/1999 | US5997594 Steam reformer with internal hydrogen purification |
| 12/07/1999 | US5997173 Packing brick and method of constructing packing bed in exchange column using same |
| 12/07/1999 | US5996976 Gas humidification system using water permeable membranes |
| 12/07/1999 | US5996975 Condenser for carrier recovery apparatus of liquid imaging system |
| 12/07/1999 | US5996428 System to test thermal oxidizer efficiency |
| 12/07/1999 | US5996397 Reactive gas sampling/analyzing hygrometry system |
| 12/07/1999 | US5996371 Adsorbent unit |
| 12/07/1999 | US5996338 Exhaust gas purifying device for engine |
| 12/07/1999 | CA2147818C Air dryer mechanism with flow regulated purge pressure |
| 12/07/1999 | CA2130589C Method for decomposing n2o utilizing catalysts comprising calcined anionic clay minerals |
| 12/07/1999 | CA2050497C Process of desulfurizing a gas mixture which contains h2s and s2 with recovery of said composites in the form of sulfur |
| 12/02/1999 | WO1999062298A1 Process of heating catalytic reactors |
| 12/02/1999 | WO1999061770A1 METHOD FOR CHECKING THE EFFICIENCY OF AN NOx ACCUMULATION CATALYST |
| 12/02/1999 | WO1999061763A1 Method and arrangement for sulphur oxide regeneration of an exhaust catalyst |
| 12/02/1999 | WO1999061373A1 Extrusion product based on hydrated lime |
| 12/02/1999 | WO1999061345A1 Moisture-absorbing device |
| 12/02/1999 | WO1999061151A1 Monolithic, metallic honeycomb bodies with a number of varying channels |
| 12/02/1999 | WO1999061150A1 Zinc aluminate with high specific surface area, preparation method and use for treating motor vehicle exhaust gases |
| 12/02/1999 | WO1999061138A1 Catalyst for removing nitrogen oxides from exhaust streams in abscence of reducing agents |
| 12/02/1999 | WO1999061137A1 Device and method for cleaning noxious gas |
| 12/02/1999 | WO1999061136A1 Process for treating flue gas |
| 12/02/1999 | WO1999061135A1 Method and device for cool-drying |
| 12/02/1999 | WO1999061132A1 Apparatus and method for point-of-use abatement of fluorocompounds |
| 12/02/1999 | WO1999054615A3 Air cleaner |
| 12/02/1999 | WO1999051325A3 Membrane process for producing carbon dioxide |
| 12/02/1999 | DE19923478A1 Engine exhaust gas purification apparatus |
| 12/02/1999 | DE19842484A1 Contents gauge for storage vessel, e.g. containing exhaust emission treatment solution used in heavy goods vehicle |
| 12/02/1999 | DE19824428A1 Exhaust gas catalyst, for IC engines |
| 12/02/1999 | DE19824237A1 Reagents for purifying waste gases or waste water, removing inorganic and organic contaminants from e.g. incineration or smelting waste gases |
| 12/02/1999 | DE19823923A1 Reduction of nitrogen oxide in exhaust gas from internal combustion engines |
| 12/02/1999 | DE19823921A1 Verfahren zur Überprüfung des Wirkungsgrades eines NOx-Speicherkatalysators Method for checking the efficiency of a NOx storage catalytic converter |
| 12/02/1999 | DE19823899A1 Cleaning device for road and rail tankers using thermal degradation of vapor and off-gases before discharging to atmosphere |
| 12/02/1999 | DE19823611A1 Thermally regenerable adsorption filter, for air conditioning of vehicles and buildings |
| 12/02/1999 | DE19823562A1 Web of carbon fiber with electrically insulating layer rolled into compact |
| 12/02/1999 | DE19823469A1 Monolithischer metallischer Wabenkörper mit variierender Kanalzahl The monolithic metallic honeycomb body with a varying number of channels |
| 12/02/1999 | CA2333778A1 Extrusion product based on hydrated lime |
| 12/02/1999 | CA2333426A1 Zinc aluminate with high specific surface area, preparation method and use for treating motor vehicle exhaust gases |
| 12/02/1999 | CA2333090A1 Moisture-absorbing device |
| 12/01/1999 | EP0960650A1 Mixing device |
| 12/01/1999 | EP0960649A2 Exhaust gas clean-up catalysts |
| 12/01/1999 | EP0960648A1 Process and plant to clean the off-gas of a dryer |
| 12/01/1999 | EP0960647A1 Process for the removal of water from evacuated chambers or from gases |
| 12/01/1999 | EP0960646A1 Adsorption gas dryer |
| 12/01/1999 | EP0960088A1 Process for selectively separating hydrogen, or both hydrogen and carbon monoxide from olefinic hydrocarbons |
| 12/01/1999 | EP0959988A2 Honeycomb body with cross-sectional area framed in the interior, particularly for small-power motors |
| 12/01/1999 | EP0959981A1 Method for separating mixtures of substances using a material pervious to said substances |
| 12/01/1999 | EP0959979A1 Gas absorption |