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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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 | WO1999044724A1 Method for cleaning interior spaces or objects contaminated by harmful substances such as formaldehyde in particular |
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 |
09/09/1999 | DE19809479A1 Verfahren zum Sanieren von mit Schadstoffen, insbesondere mit Formaldehyd, belasteten Innenräumen bzw. Gegenständen Method for remediating with pollutants, especially formaldehyde, polluted indoor or objects |
09/08/1999 | EP0939772A1 Plant rhamnogalacturonan ii complexation of heavy metal cations |
09/07/1999 | US5948708 Vapor protection suit and fabric having flash fire resistance |
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 | EP0938576A1 Beauvericin detoxification compositions and methods |
09/01/1999 | EP0938575A1 Zearalenone detoxification compositions and methods |
09/01/1999 | EP0938373A1 Corona method and apparatus for altering carbon containing compounds |
08/31/1999 | US5945331 Microorganisms, and method for biodegradation of organic compounds and method for environmental remediation |
08/25/1999 | EP0937483A1 Solid waste treatment agent and treatment method of solid waste |
08/25/1999 | EP0936953A1 Compost decontamination of soil contaminated with chlorinated toxicants |
08/24/1999 | US5942552 Combining a biodegradable foaming agent, a sporogenus bacteria containing fire extinguisher to extinguish a fire site where fluorinated surfactant are present, comprising mixing with water, turbulating and applying to fire site |
08/19/1999 | WO1999041356A1 Strain of alcaligenes latus bacteria used for the decomposition of polychlorinated biphenyls |
08/19/1999 | WO1999040975A1 Method of bioremediating an organic hazardous substance |
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 | EP0932663A1 Moniliformin detoxification compositions and methods |
08/04/1999 | EP0617740B1 Extraction of mercury and mercury compounds from contaminated material and solutions |
08/03/1999 | US5932472 Method for degradation of polychlorinated biphenyls in soil |
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 |
07/28/1999 | EP0930929A1 Microbiological method for eliminating halogenated ethenes |
07/28/1999 | EP0930925A1 Extracting method and plant using a supercritical fluid |
07/28/1999 | EP0772663B1 Method for recycling treated wood and installation for implementing the method |
07/27/1999 | US5929282 System and method for disposal of hydrazine propellants and other energetic materials |
07/27/1999 | US5928927 Enzymatic detoxification of organophosphorus compounds |
07/27/1999 | US5928859 Detection and biodegradation of explosives |
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 | WO1999033952A1 Novel coriolus versicolor fungus strain useful for treating polluted materials |
07/08/1999 | WO1999033585A1 Method for treating a material contaminated by resistant polluting compounds |
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 | US5919696 Method for microbially decomposing organic compounds and method for isolating microorganism |
07/06/1999 | US5919001 Process for simultaneously removing lead, copper and mercury from contaminated soils |
07/01/1999 | WO1999032636A1 Biodegradation of explosives |
07/01/1999 | WO1999032397A1 Production of one or more useful products from lesser value halogenated materials |
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 |
06/24/1999 | DE19804266A1 Recycling preservative-treated wood, classified as hazardous waste |
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 |
06/17/1999 | WO1999029913A1 Feed injection device and method for control of accretion |
06/17/1999 | WO1999029885A1 Degradation of biodegradable polymers |
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 |
06/16/1999 | EP0527959B1 Biological system for degrading nitroaromatics in water and soils |
06/16/1999 | CN1219920A Thermophilic methanotrophs for high-temp. oxidations |
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 |
06/10/1999 | DE19754063A1 Abbau von biologisch abbaubaren Polymeren Degradation of biodegradable polymers |
06/09/1999 | EP0858357B1 Methods for decomposing quinolones and naphthyridones |
06/09/1999 | EP0738189B1 Oxidative cleaning process of contaminated slurries or slurried earth |
06/09/1999 | EP0725688B1 Method for neutralizing waste |
06/08/1999 | US5910440 Method for the removal of organic sulfur from carbonaceous materials |
06/08/1999 | US5910294 Ozone depleting nitrogen difluoride removed from gas in form of metal halides, carbon dioxide and nitrogen gas |
06/03/1999 | WO1999026736A1 Bacterium capable of biodegradation of wastes |
06/02/1999 | EP0918559A1 Paint for nonhazardous removal of heavy metals and method for using the same |
06/02/1999 | CN1043510C Process for removal of pesticides from ginseng roots |
06/01/1999 | US5908774 Remediation of pesticide-contaminated soil |
06/01/1999 | US5908564 Tunable, self-powered arc plasma-melter electro conversion system for waste treatment and resource recovery |
05/27/1999 | DE19750894A1 Reducing soluble chromium content of wood ash |
05/26/1999 | EP0917521A1 Method for in-situ immobilisation of heavy metals and/or sulphate in water-containing zones |
05/26/1999 | EP0788395B1 Carbonization of halocarbons |
05/26/1999 | EP0741749B1 Mercury binding polypeptides and nucleotides coding therefor |
05/25/1999 | US5907077 Method and apparatus for treatment of freon gas |
05/25/1999 | US5906797 Treatment of NF3 -containing gases |
05/25/1999 | CA2095931C Process for fixing lead-contaminated ecologically hazardous industrial waste materials using clinoptilolite zeolite |
05/20/1999 | DE19740401C1 Process breaks down industrial particulate or gaseous wastes in foam |
05/19/1999 | EP0915724A1 Plasma incineration method |
05/19/1999 | EP0915723A1 Shower head with switching of spray mode |
05/18/1999 | US5905183 Process for reducing the residual chloride concentration in copper containing solids |
05/18/1999 | US5904909 Methods for removing and decomposing methyl bromide from fumigation |
05/12/1999 | EP0914877A1 Method of decomposing dioxins |
05/12/1999 | EP0914218A1 Apparatus and method for hazardous waste vitrification |
05/11/1999 | US5902744 Compost decontamination of soil contaminated with chlorinated toxicants |
05/11/1999 | US5902734 Bioremediation of ground water or waste water containing methyl t-butyl ether by incubating under aerobic conditions, producing carbon dioxide within 70 hours |
05/11/1999 | US5902392 Carrier coating comprising a heavy metal-reacting phosphate or metal sulfide, a polymeric binder and a buffer; detoxification; quick-drying; uniformity; consisteny; nondripping; removed by the usual methods, e.g sand blasting |