Patents for A62D 101 - Harmful chemical substances made harmless, or less harmful, by effecting chemical change (5,283) |
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12/08/1999 | EP0962237A1 Method for the disposal and valorisation of halogenated hydrocarbons |
12/07/1999 | US5998691 Method and apparatus to destroy chemical warfare agents |
12/07/1999 | US5997825 Refrigerant disposal |
12/01/1999 | EP0790846B1 Treatment process for contaminated waste |
11/30/1999 | US5994610 Method of suppressing thermite reactions in plasma arc waste destruction system |
11/30/1999 | US5994608 Reduction of leachability and solubility of radionuclides and radioactive substances in contaminated soils and materials |
11/30/1999 | US5994604 Mixture with solvating agent is contacted with recyclable reactive metal salt, inorganic oxide or supported metal for chemically reacting with the recyclable material to create dehalogenated hydrocarbons and halogenated inorganic |
11/25/1999 | WO1999059680A1 Immobilization of thallium during electric arc furnace dust treatment |
11/24/1999 | EP0958001A2 Method for destroying energetic materials |
11/18/1999 | WO1999058459A1 Method for treating humid waste containing an oxidable organic material |
11/18/1999 | WO1999058201A2 Ammonia fluidjet cutting in demilitarization processes using solvated electrons |
11/18/1999 | WO1999046990A9 Composition for deactivating chemically and biologically active agents |
11/18/1999 | CA2307680A1 Ammonia fluidjet cutting in demilitarization processes using solvated electrons |
11/17/1999 | EP0851780A4 Process for the transformation of halogenated refrigerant gases |
11/16/1999 | US5986161 Methods for neutralizing/detoxifying and stably fixing/solidifying hazardous compounds |
11/16/1999 | US5986160 Ozonization of organic compounds |
11/16/1999 | US5985778 Method and compositions for stabilization of heavy metals, acid gas removal and pH control in contaminated matrices |
11/11/1999 | WO1999056867A2 Integrated fixation systems |
11/11/1999 | DE19819437A1 Decomposition of partly and/or completely halogenated (m)ethane, e.g. propellant, refrigerant or solvent |
11/09/1999 | US5980733 Method of removing sulfur compounds from hydrocarbon streams |
11/09/1999 | US5980701 Maintaing non-oxidative, low pressure atmosphere in vessel containing hazardous waste comprising carbon containing compounds; applying electric potential to electrodes to create corona discharge to alter compound |
11/03/1999 | EP0953546A2 Method for decomposing nitroaromatic compounds in waste waters |
11/02/1999 | US5977427 Method for destroying organohalogen compounds |
11/02/1999 | US5976477 Reaction control method using carbon soot molecules and organometallic complexes in excited state |
11/02/1999 | US5976270 Composition and method for treatment of lead-containing surface coatings and soil |
11/02/1999 | US5976244 Fixation of hazardous wastes and related products |
10/26/1999 | US5972656 Polypeptide comprising a fab fragment including an amino acid sequence for a heavy chain variable region from given monoclonal antibodies, capable of binding to mercury cations; kit; highly sensitive detection of mercury in drinking water |
10/26/1999 | US5972301 Minimizing emission of hexavalent chromium from combustion sources |
10/20/1999 | CN1231997A Breaking down aromatic nitro compounds in wastewaters |
10/19/1999 | US5969208 Method of making pollutant harmless and apparatus for conducting the method |
10/19/1999 | US5968812 Removal of sulfinic acids |
10/19/1999 | US5968337 Apparatus and method for constant flow oxidizing of organic materials |
10/19/1999 | US5968245 Mixing with oil in water cationic emulsion of tall oil or asphalt; coating, immobilization, leaching; precipitation in organic acid |
10/14/1999 | DE19815844A1 Waste liquor treatment to decompose aromatic nitro compounds with and without hydroxyl group on ring |
10/13/1999 | EP0948399A1 Method and apparatus for dissociating materials |
10/13/1999 | CN1231618A Biodegradation of metal cyanides |
10/12/1999 | US5965003 Method of decomposing CMPO |
10/12/1999 | CA2144082C Toxic remediation system and method |
10/06/1999 | EP0946449A1 Method for the insolubilisation and consolidation of used brasques from hall-heroult electrolyte vessels |
10/06/1999 | EP0946448A1 Composition and method to remove asbestos |
10/06/1999 | EP0946447A1 Composition and method to remove asbestos |
10/06/1999 | EP0946446A1 Composition and method to remove asbestos |
10/06/1999 | EP0946229A2 BACTERIAL STRAIN $i(CORYNEBACTERIUM. sp K2-17) AND METHOD FOR THE MICROBIAL DECONTAMINATION OF MATERIALS WHICH ARE CONTAMINATED WITH COMPOUNDS FROM PHENOXYALCANOIC ACID-HERBICIDE PRODUCTION |
09/30/1999 | WO1999048563A1 Method for removal of ammonia from fly ash |
09/30/1999 | DE19812605A1 Precipitating heavy metals from e.g. waste water |
09/28/1999 | US5960368 Method for acid oxidation of radioactive, hazardous, and mixed organic waste materials |
09/23/1999 | WO1999046990A1 Composition for deactivating chemically and biologically active agents |
09/23/1999 | DE19811763A1 Removing arsenic and optionally antimony from suspensions obtained in drinking water production |
09/22/1999 | EP0914218A4 Apparatus and method for hazardous waste vitrification |
09/15/1999 | EP0941137A1 Decomposition of halogenated hydrocarbons by halophilic archae bacteria |
09/14/1999 | US5953679 Method for recovery and separation of trinitrotoluene by supercritical fluid extraction |
09/14/1999 | US5952542 Using metal oxide, metal being selected from group consisting of ruthenium, osmium, irridium and rhodium to oxidize waste organic material; continuously regenrating metal oxide from its lower valency in electrochemical cell |
09/14/1999 | US5951852 Exposing organic halogen compound, in the presence of hydrogen and hydrogen halide scavenger, to catalyst capable of converting organic halide to hydrohalic acid, neutralizing |
09/14/1999 | US5951457 Determining the amount of ascorbic acid necessary to chemically reduce sufficient hexavalent chromium to a lower valence state, mixing the determined amount of ascorbic acid with the contaminated soils, sediments, and fills |
09/10/1999 | WO1999044689A1 Stabilization of lead bearing waste |
09/10/1999 | WO1999044688A1 Inertization of waste material contaminated with heavy metals |
09/10/1999 | WO1998046063A3 System and method for disposal of hydrazine propellants and other energetic materials |
09/08/1999 | EP0939772A1 Plant rhamnogalacturonan ii complexation of heavy metal cations |
09/07/1999 | US5947888 Process for insolubilizing and consolidating spent linings from hall-heroult electrolysis cells |
09/07/1999 | US5947887 Extruder glass-melter process for vitrification of nuclear and other toxic wastes |
09/07/1999 | CA2184722C An indexable insert |
09/01/1999 | EP0938373A1 Corona method and apparatus for altering carbon containing compounds |
08/25/1999 | EP0937483A1 Solid waste treatment agent and treatment method of solid waste |
08/19/1999 | DE19806758A1 Chemical decomposition of bis(2-chloroethyl) sulfide and homologues for destruction of chemical weapons |
08/17/1999 | US5939035 Process for treating spent potlining containing inorganic matter |
08/17/1999 | CA2044965C Heat shock treatment of used brasques from hall-heroult electrolysis process cells |
08/11/1999 | CN1044567C Comprehensive utilization and eliminating poison of chromium cinder |
08/10/1999 | US5937267 System, device and method for quantification of polychlorobiphenyls |
08/10/1999 | US5936137 Process for destroying halogenated compounds |
08/10/1999 | US5935618 Apparatus for manufacturing molded materials solidified by sulfur |
08/05/1999 | WO1998055822A3 Process and device for bioremediation of explosives |
08/04/1999 | EP0932803A1 Refrigerant disposal |
08/04/1999 | EP0617740B1 Extraction of mercury and mercury compounds from contaminated material and solutions |
08/03/1999 | US5931773 Method for treatment of solid waste to minimize permeability of the waste |
07/29/1999 | WO1999037823A1 High efficiency recovery process and apparatus for the pyrolysis treatment and halogenation of multi-element waste |
07/27/1999 | US5929282 System and method for disposal of hydrazine propellants and other energetic materials |
07/20/1999 | US5926771 Providing apatite-like material precursor, introducing precursor into aqueous solution containing toxic heavy metals and radioactive materials, creating monolithic apatite-like material in which radioactive or toxic material is immobilized |
07/14/1999 | EP0928227A1 A method for the treatment, in particular stabilization, of materials containing environmentally noxious constituents, especially from the incineration of waste, as well as a plant for carrying out the said method |
07/13/1999 | US5924047 Hydrolysis |
07/13/1999 | US5922926 Method and system for the destruction of hetero-atom organics using transition-alkaline-rare earth metal alloys |
07/08/1999 | WO1999034370A1 Method for packaging industrial, in particular radioactive, waste in apatite ceramics |
07/08/1999 | WO1999033525A1 Wet type method of rendering dioxins innoxious |
07/08/1999 | WO1999033524A1 Method for treating pcb-containing waste oil |
07/08/1999 | DE19758282A1 Rapidly decontaminating building components, e.g. removing harmful preservative from wood |
07/06/1999 | US5919001 Process for simultaneously removing lead, copper and mercury from contaminated soils |
06/29/1999 | US5916123 Fixation and stabilization of metals in contaminated soils and materials |
06/29/1999 | US5916122 Solidification of aqueous waste |
06/24/1999 | WO1999030781A1 Formulation and method for neutralization of formaldehyde |
06/23/1999 | CN1220174A Process for recovery of waste chromium liquid |
06/22/1999 | US5914436 Method for the destruction of unwanted compounds using metal oxides composites |
06/22/1999 | US5914031 Increasing kinetics of waste effluents or sludge decomposition by adjusting reaction temperature and pressure in the presence of reducing agent without adding hydrogen or a catalyst |
06/19/1999 | CA2225367A1 Containerized metal fixation apparatus |
06/16/1999 | EP0922470A1 Process for treatment of residues espesially incineration residues of municipal and industial wastes |
06/16/1999 | EP0922012A2 Apparatus and method for oxidizing organic materials |
06/16/1999 | EP0832393B1 Process for disposing of dangerous products containing explosives and poisons and suitable exploding and incineration chamber therefor |
06/15/1999 | US5911868 Electrolysis within multicompartment cell having respective corrosion resistant electrodes immersed in membrane-separated anolyte and catholyte solutions where organic waste is concentrated on anolyte side |
06/10/1999 | WO1999028239A1 Apparatus and method for constant flow oxidizing of organic materials |
06/10/1999 | WO1999028019A1 Method and catalyst for the oxidation of gaseous halogenated and non-halogenated organic compounds |
06/09/1999 | EP0738189B1 Oxidative cleaning process of contaminated slurries or slurried earth |
06/09/1999 | EP0725688B1 Method for neutralizing waste |