| Patents for A62D 3 - Processes for making harmful chemical substances harmless, or less harmful, by effecting a chemical change in the substances (9,310) |
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| 03/11/1992 | EP0474014A1 Process for electrochemical dehalogenation of organic contaminants |
| 03/11/1992 | EP0473850A1 Method of recovering hydrocarbon halide |
| 03/10/1992 | US5094757 Radiator cooling system cleaner/refiner |
| 03/10/1992 | CA1297063C Process for the hydrogenation treatment of mineral oils contaminated with chlorobiphenyls and the like |
| 03/08/1992 | CA2050881A1 Process for treating halogenated hydrocarbon containing-gas, an apparatus therefor and an agent for decomposing halogenated hydrocarbon |
| 03/05/1992 | DE4026876A1 Industrial dust disposal esp. for synthetic resin by combustion - in blast furnace after premixing dust with separate airstream, avoiding pollution |
| 03/05/1992 | DE4026373A1 Extn. of heavy metals and toxic organic substances - using a mixt. of low aliphatic mono:carboxylic acid and butyl acetate |
| 03/03/1992 | US5093123 Extraction of moistened roots with pressurized carbon dioxide |
| 03/03/1992 | US5093024 Composition able to absorb mercury vapor and to disinfect a surface |
| 03/03/1992 | US5093011 Detoxification of halogenated aromatics; pollution control |
| 03/03/1992 | CA1296744C Dehalogenation of halogenated aromatic compounds |
| 02/26/1992 | EP0471729A1 Corrin mediated degradation of organic nitrogen compounds. |
| 02/25/1992 | US5091447 In-situ polymeric membrane for cavity sealing and mitigating transport of liquid hazardous materials based on aqueous epoxy-rubber alloys |
| 02/25/1992 | US5091079 Sludge treatment apparatus |
| 02/25/1992 | US5090340 Plasma disintegration for waste material |
| 02/25/1992 | CA1296190C Inhibiting leaching of metals from catalysts and sorbents and compositions and methods therefor |
| 02/24/1992 | CA2049804A1 Process for electrochemical dehalogenation of organic contaminants |
| 02/20/1992 | DE4012397C1 Halogen hydride removal - by adding ammonia to pyrolysis gas in an agitated bed of pyrolysis reactor |
| 02/18/1992 | US5089241 Process for converting hexafluoroarsenic acid or any salt thereof to arsenic acid or salt thereof which can then be rendered nonhazardous |
| 02/18/1992 | CA1295962C Dehalogenation of halogenated compounds |
| 02/12/1992 | EP0470518A1 Device for carrying out photochemical reactions |
| 02/11/1992 | US5087671 Polymers for scavenging nitrosating agents |
| 02/11/1992 | US5087419 Ozone sterilization process which decontaminates evacuated waste with ozone |
| 02/11/1992 | US5087374 Removal of contaminates from granular solids |
| 02/09/1992 | WO1992002278A1 Removing polychlorinated biphenyls from a contaminated surface |
| 02/09/1992 | CA2067201A1 Removing polychlorinated biphenyls from a contaminated surface |
| 02/09/1992 | CA2048574A1 Device for carrying out photochemical reactions |
| 02/06/1992 | DE4023450A1 Method rendering dioxin laden dust harmless - adds medium of higher absorption affinity |
| 02/05/1992 | EP0469701A2 Process for the simultaneous treatment of two hazardous feedstocks |
| 02/04/1992 | US5085998 Immersing in liquid culture of phanerochaete strain for sufficient time period |
| 02/04/1992 | US5085838 Conversion into environmentally safe material; heating with alkaline flux to change crystal structure |
| 01/29/1992 | EP0468073A1 Process for the complete valorisation of high molecular weight polymer waste |
| 01/25/1992 | WO1992001492A1 Forming carbon dioxide in multi-phase molten bath |
| 01/25/1992 | CA2087252A1 Forming carbon dioxide in multi-phase molten bath |
| 01/23/1992 | DE4022526A1 Dehalogenating of material contg. organo-halogen cpds. - by mixing with solid particles which contain sodium or potassium |
| 01/22/1992 | EP0467053A1 Process for the dehalogenation of organic compounds by alkali metals on solid supports |
| 01/22/1992 | EP0466877A1 Process for environmentally safe disposal of noxious solid, liquidand/or gaseous substances at temperatures of 400 to 1800 degrees celsius. |
| 01/18/1992 | CA2021378A1 Process for the catalytic decomposition of chlorofluoro-alkanes |
| 01/16/1992 | DE4011707C1 Biological decontamination of buoyant absorption agent - comprises passing agent through controlled spray of microorganism suspension and controlled residence time |
| 01/14/1992 | US5080804 Pollution control; disposal |
| 01/14/1992 | US5080799 Adsorbant is a metal or metal sulfide that forms amalgam or a sulfide with mercury |
| 01/14/1992 | CA1294112C Insitu hazardous waste treating apparatus and method of using same |
| 01/14/1992 | CA1294111C Process for the destruction of organic waste material |
| 01/09/1992 | WO1992000370A1 Oxalate degrading bacterium |
| 01/09/1992 | WO1992000122A1 Polymers for scavenging nitrosating agents |
| 01/09/1992 | DE4121526A1 Ozone-decomposing compsn. for corona charging - contg. ozone-decomposing medium contg. terpenoid and gelating agent, and organic fluorine-contg. non-flammable material, for air purificn. |
| 01/08/1992 | EP0465388A1 Process for the treatment of spent potlinings from Hall-Heroult electrolytic cells by thermal shock |
| 01/08/1992 | EP0464688A1 Method for destruction of toxic substances with ultraviolet radiation |
| 01/07/1992 | CA2046407A1 Method for destruction of toxic substances with ultraviolet radiation |
| 01/07/1992 | CA1293857C Method of treating fluoride contaminated wastes |
| 12/31/1991 | US5077316 Protective coatings against chemical warfare |
| 12/31/1991 | US5076941 Monofluorophosphate solubility inhibitor for lead in potable water sources |
| 12/31/1991 | US5076938 Oil treatment method |
| 12/24/1991 | US5075297 Broad spectrum chemical decontaminant system |
| 12/24/1991 | US5075273 Catalyst for destruction of hazardous chorinated wastes and process for preparing the catalyst |
| 12/24/1991 | US5075017 Supercritical water oxidation under pressure yields ash, carbon dioxide |
| 12/24/1991 | US5074958 Method for removing polychlorinated dibenzodioxins and polychlorinated dibenzofurans and stickies from secondary fibers using supercritical propane solvent extraction |
| 12/24/1991 | US5074890 Oxidation to carbon monooxide and hydrogen |
| 12/19/1991 | DE4016899A1 Verfahren zur behandlung von schadstoffbeladenen festkoerperpartikeln Process for the treatment of pollutant-laden festkoerperpartikeln |
| 12/18/1991 | CN1057010A System and process for conversion of harmful matter to inert solid matrix |
| 12/12/1991 | WO1991018959A1 Methods and compositions for sorbing flammable liquids |
| 12/12/1991 | WO1991018671A1 Process for processing solid particles containing toxic chemicals |
| 12/12/1991 | DE4018568A1 Building material for underground use - mfd. from titanium- and zinc-extraction residues, filter ash, calcium chloride from waste incineration etc. and binder e.g. cement |
| 12/11/1991 | EP0460828A2 Method and apparatus for treating contaminated particulate material |
| 12/10/1991 | US5071877 Metal oximate/polyethylene glycols chemicals decontaminant system |
| 12/09/1991 | WO1991019039A1 Controlled-release microbe nutrients and method for bioremediation |
| 12/04/1991 | EP0315659B1 Process for cleansing of buildings by rendering noxious dust-forming solids suitable for pollution-free disposal |
| 12/03/1991 | US5069885 Photodegradation of water pollutants such as chlorinated biphe nyls |
| 11/29/1991 | CA2017752A1 Aerobic biological dehalogenation reactor |
| 11/28/1991 | DE4016514A1 Destruction of organic substances - esp. aromatic and/or halogenated cpds. in liq. or gases by irradiation with UV |
| 11/26/1991 | US5068484 Process for the hydroconversion of a feedstock comprising organic compounds having a tendency to readily form polymer compounds |
| 11/26/1991 | US5067984 Oil absorbent |
| 11/26/1991 | US5067978 Method for the removal of lead from waste products |
| 11/26/1991 | CA2041727A1 Method and apparatus for cleaning contaminated particulate material |
| 11/21/1991 | DE4015488A1 Compsn. for inhibiting dust formation or spreading - during demolition of buildings, handling building materials or removing asbestos cement layers contg. glucomannan |
| 11/19/1991 | US5066472 Hydrolysis with water vapor, recovering hydrochloric acid |
| 11/15/1991 | WO1991017828A1 Catalysts for the destruction of halogenated organics |
| 11/14/1991 | WO1991017229A1 Method for the base-catalyzed decomposition of halogenated and non-halogenated organic compounds in a contaminated medium |
| 11/14/1991 | DE4114494A1 Auto catalytic conversion of liq. wastes contg. metals - useful for decontamination of wastes from electrolytic processes ion exchange regeneration etc. avoiding electrodeposition |
| 11/14/1991 | DE4014854A1 Removing oil and fat from concrete, cement or stone floor - or other porous surface by brushing on nutrient soln. contg. Pseudomonas Putidans and feeding compressed air |
| 11/14/1991 | DE4014645A1 Extinguishing agent for non-self-igniting chloro-silane(s) - comprises inert gas contg. at least 1 per cent alkane, up to a limit determined by flammability of mixt. |
| 11/14/1991 | DE4014517A1 Disposal of dangerous gas - by opening bottles containing the gas in vacuum chamber |
| 11/14/1991 | DE4009806C1 Removing fat and oil in commercial kitchen - by reacting with lipollastic bacteria and pptn. with cation |
| 11/13/1991 | EP0456457A1 Process for dehalogenation |
| 11/12/1991 | US5064526 Method for the base-catalyzed decomposition of halogenated and non-halogenated organic compounds in a contaminated medium |
| 11/07/1991 | DE4014023A1 Decontamination of substance contg. cyanide, esp. waste water - by treatment with acid, and stripping and destruction of hydrogen cyanide formed |
| 11/05/1991 | US5063030 Oxidation |
| 11/05/1991 | US5062996 Methods and compositions for sorbing flammable liquids |
| 10/31/1991 | DE4013340A1 Breaking down polyhalogenated hydrocarbon cpds. - contg. adsorbed mercury, by heating in absence of oxygen to desorb mercury and breakdown halo-cpds. |
| 10/31/1991 | CA2041452A1 Method for decontaminating soils |
| 10/30/1991 | EP0453904A1 Method for disposing of run-down batteries and other waste products made toxic by the presence of heavy metals therein |
| 10/29/1991 | CA1291582C Disposal of material containing vanadium as landfill |
| 10/28/1991 | CA2041307A1 Method for disposing of run-down batteries and other waste products made toxic by the presence of heavy metals therein |
| 10/24/1991 | CA2040447A1 Fluid purification apparatus |
| 10/22/1991 | US5059635 Methods for reducing the reactivity of articles destined for disposal |
| 10/17/1991 | WO1991015558A1 Degradation of polychlorinated biphenyls |
| 10/15/1991 | US5057221 Aerobic biological dehalogenation reactor |
| 10/14/1991 | WO1991016131A1 Oxidation chamber |
| 10/14/1991 | CA2080338A1 Oxidation chamber |
| 10/12/1991 | WO1991015440A1 Biological system for degrading nitroaromatics in water and soils |