| 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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| 01/10/1995 | US5380088 Mixing device for small fluid quantities |
| 01/10/1995 | US5379988 Plant for extracting substances in gas or mist form from a flow of gas |
| 01/10/1995 | CA2127749A1 Catalyst for purifying exhaust gas and method for purifying exhaust gas |
| 01/10/1995 | CA2125256A1 Gas combuster/reactor |
| 01/10/1995 | CA2044727C Hybrid prepurifier for cryogenic air separation plants |
| 01/05/1995 | WO1995000957A1 Catalytic converter for the removal of hydrogen from an atmosphere containing hydrogen, air and steam |
| 01/05/1995 | WO1995000805A1 Exhaust gas cleaning process and installation |
| 01/05/1995 | WO1995000438A1 Method for separating chlorine from a mixture of gases |
| 01/05/1995 | WO1995000242A1 Method for removing particulate matter and gases from a polluted gas stream |
| 01/05/1995 | WO1995000239A1 High capacity tray for gas-liquid contact apparatus |
| 01/05/1995 | WO1995000238A2 Self-supported hollow fiber membrane panel |
| 01/05/1995 | WO1995000235A1 Layered catalyst composite |
| 01/05/1995 | WO1995000234A1 Container for carbon molecular-sieve material |
| 01/05/1995 | DE4419776A1 Exhaust system |
| 01/05/1995 | DE4321372A1 Static carrier material - biofilm system |
| 01/05/1995 | DE4321349A1 Process for the elimination of poorly absorbable chlorinated hydrocarbons |
| 01/05/1995 | DE4320646A1 Process and device for filtering out substances in dry-cleaning machines |
| 01/05/1995 | CA2165054A1 Layered catalyst composite |
| 01/04/1995 | EP0632268A1 Apparatus and method for determining the indoor air quality within an enclosed space |
| 01/04/1995 | EP0631998A1 Functional ceramics |
| 01/04/1995 | EP0631978A1 Removing hydrogen sulphide from a gas stream |
| 01/04/1995 | EP0631815A1 Reinforced converter body |
| 01/04/1995 | EP0631808A1 Fluid separation composite membranes prepared from sulfonated aromatic polymers in lithium salt form |
| 01/04/1995 | EP0631807A1 Modified poly (phenylene oxide) based membranes for enhanced fluid separation |
| 01/04/1995 | EP0631806A2 The production and use of improved composite fluid separation membranes |
| 01/04/1995 | EP0631805A1 Method for removal of nitrogen oxides and catalysts used therein |
| 01/04/1995 | EP0631564A1 Method of and apparatus for removing carbon monoxide from gaseous media |
| 01/04/1995 | EP0631519A1 Method and device for gas cleaning or gas cooling. |
| 01/04/1995 | CN2186598Y High pressure gas purifier |
| 01/04/1995 | CN2186597Y Multifunction oxygen generator |
| 01/04/1995 | CN1096971A Method and apparatus for absorption of leaked chlorine |
| 01/04/1995 | CN1027313C Industrial process for separation recovery of chlorine |
| 01/04/1995 | CN1027301C Large diesel engine |
| 01/04/1995 | CN1027232C Process for contact of gas-liquid |
| 01/03/1995 | US5378898 Electron beam system |
| 01/03/1995 | US5378444 By contacting with cleaning agent comprising zinc oxide, aluminum oxide and an alkali compound |
| 01/03/1995 | US5378443 Method for reducing emissions when burning nitrogen containing fuels |
| 01/03/1995 | US5378442 Method for treating combustion exhaust gas |
| 01/03/1995 | US5378441 Desulfurization, emulsification of scrubber oil, adding sulfur dioxide to water in oil emulsion, reaction of sulfur dioxide with hydrogen sulfide |
| 01/03/1995 | US5378440 Method for separation of substances |
| 01/03/1995 | US5378439 Oxidation, reduction |
| 01/03/1995 | US5378280 Inorganic salts, phosphorus source and nitrogen source such as ammonium salt, nitrate salt and mixtures |
| 01/03/1995 | US5378266 Air dryer system |
| 01/03/1995 | US5378264 Microemulsion formation in offgas scrubbing |
| 01/03/1995 | US5378263 High purity membrane nitrogen |
| 01/02/1995 | CA2125810A1 Apparatus and method for determining the indoor air quality within an enclosed space |
| 12/31/1994 | CA2127034A1 Fluid separation composite membranes prepared from sulfonated aromatic polymers in lithium salt form |
| 12/31/1994 | CA2127033A1 Production and use of improved composite fluid separation membranes |
| 12/31/1994 | CA2127018A1 Modified poly(phenylene oxide) based membranes for enhanced fluid separation |
| 12/30/1994 | CA2126718A1 Process for the production of mixed oxide powders for catalysts for the removal of nitrogen oxides |
| 12/30/1994 | CA2123191A1 Reinforced converter body |
| 12/28/1994 | EP0631043A1 Activated carbon filter for purging of a fuel tank |
| 12/28/1994 | EP0630682A2 Layered plasma polymer composite membranes |
| 12/28/1994 | EP0630681A1 Process for the elimination of unwanted impurities from a gas |
| 12/28/1994 | EP0630680A1 Method for removal of nitrogen oxides |
| 12/28/1994 | EP0630679A1 Air treating method using photocatalyst under interior illumination |
| 12/28/1994 | EP0630289A1 Catalyst for the catalytic post-combustion of exhaust gases containing carbon monoxide and/or oxidisable organic compounds. |
| 12/28/1994 | EP0630283A1 Adsorption process and unit for the production of a gas by separation of a gaseous mixture |
| 12/28/1994 | EP0630279A1 Polyalkyleneimine or polyallylamine coated material. |
| 12/28/1994 | EP0630270A1 Nitric oxide from air for medical uses |
| 12/28/1994 | EP0597954A4 Synthetic porous crystalline material, its synthesis and use. |
| 12/28/1994 | EP0437608B1 Process for decomposing ammonia |
| 12/28/1994 | CN1096810A Method for removing hydrogen sulfide from natural gas with lime cream |
| 12/28/1994 | CN1096758A 容器惰化 Container inerting |
| 12/28/1994 | CN1096712A Exhaust gas purification system for reducing hydrocarbon emissions during the cold start of combustion engines |
| 12/28/1994 | CN1027203C A protective vessel for a getter material |
| 12/27/1994 | US5376614 For absorbing carbon dioxide |
| 12/27/1994 | US5376610 Catalyst for exhaust gas purification and method for exhaust gas purification |
| 12/27/1994 | US5376608 Sulfur reduction in FCC gasoline |
| 12/27/1994 | US5376346 Method of reducing the destruction of ozone in the earth's stratosphere by the removal of chlorine, chlorine monoxide radicals, and catalytic aerosols |
| 12/27/1994 | US5376345 Catalytic method and apparatus |
| 12/27/1994 | US5376344 Three-way catalyst for automotive emission control |
| 12/27/1994 | US5376341 Ceramic honeycomb support structure surrounded with layers of inorganic fiber and intumescent material, in housing mounted in hot gas chamber |
| 12/27/1994 | US5376340 Means for collecting untreated air when flow is reversed |
| 12/27/1994 | US5376167 Purifying device for hydrogen comprising a base made of an alloy of the same composition as that of the tubes |
| 12/27/1994 | US5376166 Apparatus and method for defusing and scrubbing air streams |
| 12/27/1994 | US5376165 Method for the treatment of gases, ellipsoidal packing and its use |
| 12/27/1994 | US5376164 Pressure swing adsorption process for chlorine plant offgas |
| 12/27/1994 | US5375414 Automotive engine exhaust aftertreatment system including hydrocarbon adsorber with internal engine purge flow control |
| 12/22/1994 | WO1994029497A1 Bipolar process for removal of sulfur dioxide from waste gases |
| 12/22/1994 | WO1994029221A1 Method and apparatus for photochemically oxidizing gaseous organic compounds |
| 12/22/1994 | WO1994029004A1 Method of removing hcn from mixtures of gases and a catalyst for decomposing hcn |
| 12/22/1994 | WO1994029003A1 Oxidation process |
| 12/22/1994 | WO1994029002A1 Composite gas separation membranes and making thereof |
| 12/22/1994 | WO1994029001A1 Adsorption filter |
| 12/22/1994 | WO1994029000A1 Device for adsorption separation of elements in a gaseous mixture |
| 12/22/1994 | WO1994028999A1 Apparatus for removing particulate matter and gases from a polluted gas stream |
| 12/22/1994 | WO1994028993A1 Modified drying process using superheated steam in the drying medium, and its use |
| 12/22/1994 | DE4407413A1 Device for cleaning air |
| 12/22/1994 | DE4325513A1 Process for producing a highly pure carbon monoxide product stream and a hydrogen product stream |
| 12/22/1994 | DE4319914A1 Washing bottle and equipment for adsorption or enrichment of gas components of a gas |
| 12/22/1994 | DE4319895A1 Process for purifying solvent-containing exhaust air by adsorber resins |
| 12/22/1994 | DE4319531A1 Ultraviolet suction bell disinfection apparatus |
| 12/22/1994 | CA2163771A1 Bipolar process for removal of sulfur dioxide from waste gases |
| 12/22/1994 | CA2162871A1 Method and apparatus for photochemically oxidizing gaseous organic compounds |
| 12/21/1994 | EP0629771A2 An engine exhaust gas purification device |
| 12/21/1994 | EP0629600A2 Process for the separation of alkanols from further organic compounds with a higher number of carbon atoms |
| 12/21/1994 | EP0629432A1 Heat transfer packing material with catalyst and/or adsorbent used for regenerative incineration |
| 12/21/1994 | EP0629431A1 A method for extracting gaseous contaminants from a gas, and apparatus therefore |
| 12/21/1994 | EP0629430A1 Method for desulfurizing exhaust gas |