| Patents for A62D 101 - Harmful chemical substances made harmless, or less harmful, by effecting chemical change (5,283) |
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| 10/05/1994 | EP0617740A1 Extraction of mercury and mercury compounds from contaminated material and solutions |
| 10/04/1994 | US5352421 Method and apparatus for effecting gas-liquid contact |
| 10/04/1994 | US5352368 Aldehyde treatment system |
| 09/29/1994 | WO1994021355A1 Methods of removing and detecting harmful component |
| 09/29/1994 | DE4309865A1 Process for the extraction of heavy metals from contaminated solids |
| 09/29/1994 | DE4309493A1 Process for the simultaneous utilisation of halogenated and basic residues |
| 09/22/1994 | DE4305318A1 Method for the disposal of residual and waste materials |
| 09/20/1994 | US5348689 Molten salt destruction of alkali and alkaline earth metals |
| 09/17/1994 | CA2119167A1 Methods for dechlorynation disposal of polyvinyl chloride wastes and apparatus thereof |
| 09/15/1994 | WO1994020591A1 Method for the reductive decomposition of chemical contaminants |
| 09/15/1994 | WO1994020205A1 Method and system for steam-reforming of liquid or slurry feed materials |
| 09/15/1994 | WO1994020149A1 Method and system for detoxifying solid waste |
| 09/15/1994 | DE4336225C1 Process for the environmentally compatible cleaning of heat-storage blocks |
| 09/15/1994 | DE4307468A1 Process for precipitation of heavy metals, uranium and toxic metals in the rehabilitation of mining installations, in particular from contaminated waters |
| 09/13/1994 | US5347077 Hydraulic cement binder, iron salt and manganese salt to react with toxic compounds |
| 09/13/1994 | US5347074 Fixation of heavy metals, mercury recovery and dioxins destruction in scrubbed municipal solid waste incinerator ash |
| 09/13/1994 | US5347073 Pollution control |
| 09/13/1994 | US5347072 Sulfur |
| 09/07/1994 | EP0613391A1 Immobilisation of metal contaminants from a liquid to a solid medium. |
| 09/07/1994 | EP0489053B1 Process for destroying cyanuric fluoride in residues produced in its manufacture |
| 09/06/1994 | US5345033 Method for the neutralization of hazardous materials |
| 09/06/1994 | US5345032 Use of metal chelate complexes in dehalogenation |
| 09/06/1994 | US5345031 Reduction of aromatic halide content |
| 09/06/1994 | US5344630 Catalytic oxidation for pollution control of halogen compounds |
| 09/06/1994 | US5344566 Dechlorination and demetallization of waste water |
| 09/01/1994 | WO1994019121A1 Method of detoxification and stabilization of soils contaminated with chromium ore waste |
| 08/30/1994 | US5342779 Photochemically enhanced microbial degradation of environmental pollutants |
| 08/11/1994 | DE4303729A1 Process for decomposing inorganic nonmetallic fibre materials which are hazardous to health, in particular asbestos, and also asbestos-containing materials including asbestos cement |
| 08/10/1994 | EP0609687A1 Precipitant for heavy metal precipitation |
| 08/10/1994 | EP0372084B1 Asbestos-treating agent and process for treating asbestos |
| 08/09/1994 | US5336842 Process and device for cleaning polluted solids |
| 08/04/1994 | DE4301639A1 Treating pollutant sources emitting halogenated aromatic or aliphatic cpds. |
| 08/03/1994 | EP0506869B1 Process and device for disposing of substances containing halogenated hydrocarbon compounds |
| 08/02/1994 | US5334362 Precipitation as water insoluble hydroxides, increasing pH, air oxidizer |
| 07/28/1994 | DE4302021A1 Removing heavy metal sulphide(s) from solids, e.g. soil or waste |
| 07/28/1994 | DE4302020A1 Oxidative destruction of organic substances deposited on solids esp. in soil |
| 07/27/1994 | EP0607420A1 Method for the detoxification of mustard gas, sulfur-containing quaternary ammonium ionene polymers and their use as microbicides |
| 07/27/1994 | EP0531329B1 Process for processing solid particles containing toxic chemicals |
| 07/14/1994 | DE4300805A1 Treating asbestos and similar fibres and composites and materials contg. fibres |
| 07/07/1994 | WO1994014731A1 Destruction of halide containing organics and solvent purification |
| 07/07/1994 | WO1994014504A1 Process for the chemical decomposition of halogenated organic compounds |
| 07/07/1994 | WO1994014503A1 Toxic material disposal |
| 07/07/1994 | CA2152081A1 Toxic material disposal |
| 07/05/1994 | US5326467 Recovering polychlorinated biphenyls from solution |
| 06/30/1994 | DE4402006A1 Binding dissolved phenol cpds and heavy metal in tip |
| 06/29/1994 | EP0604110A1 Destruction of organic compounds |
| 06/29/1994 | EP0603691A1 Process for the basic treatment of copper-containing residues from the direct synthesis of organochlorosilanes and/or chlorosilanes |
| 06/29/1994 | EP0603533A1 Process for the disposal of chlorinated organic products by sulphonation or nitration and subsequent oxidation |
| 06/29/1994 | EP0603457A1 Waste-treating material |
| 06/29/1994 | EP0603400A1 Method of removing halogenated aromatic compound from hydrocarbon oil |
| 06/29/1994 | EP0540655B1 Forming carbon dioxide in multi-phase molten bath |
| 06/28/1994 | US5324341 Method for chemically reducing metals in waste compositions |
| 06/24/1994 | CA2112090A1 Method for the neutralization of hazardous materials |
| 06/24/1994 | CA2111401A1 Removal and destruction of halogenated organic and hydrocarbon compounds with porous carbonaceous materials |
| 06/23/1994 | DE4338690A1 Disposal of waste material contaminated with heavy metals |
| 06/22/1994 | EP0602510A1 Method for treating ozone layer depleting substances |
| 06/21/1994 | US5322547 Method for indirect chemical reduction of metals in waste |
| 06/19/1994 | WO1994014531A1 Transportable electron beam system and method |
| 06/19/1994 | CA2129853A1 Transportable electron beam system and method |
| 06/17/1994 | CA2089019A1 Waste-treating material |
| 06/15/1994 | EP0600909A1 Desensitization process for energetic compositions with regeneration of reagents |
| 06/15/1994 | EP0600906A1 Method and system for oxidation in a molten bath. |
| 06/09/1994 | DE4241246A1 Calcium carbide prodn. from calcium oxide and carbonaceous cpd. - derived from crushed plastics waste coked in presence of granular calcium oxide |
| 06/09/1994 | DE4241245A1 Calcium carbide prodn. from calcium oxide and carbonaceous cpd. - derived from crushed plastics waste in presence of granular calcium oxide by pyrolysis and calcination |
| 06/09/1994 | DE4241244A1 Calcium carbide prodn. from calcium oxide and carbonaceous cpd. - derived from crushed plastics waste pyrolysed in presence of calcium oxide |
| 06/09/1994 | DE4241243A1 Calcium carbide prodn. from calcium oxide and carbon component - obtd. from synthetic waste by pyrolysis and partial combustion of pyrolysis gas |
| 06/08/1994 | EP0600128A1 An immobilization agent for industrial waste |
| 06/07/1994 | US5319211 Vapor treatment system |
| 06/07/1994 | US5319176 Plasma arc decomposition of hazardous wastes into vitrified solids and non-hazardous gasses |
| 06/01/1994 | EP0598842A1 Electrodeless plasma torch apparatus and methods for the dissociation of hazardous waste |
| 06/01/1994 | EP0551436B1 Dichloromethane abatement |
| 06/01/1994 | DE4244099C1 Deposition of smallest mineral fibres or dust particles - by producing fine particle mist, wetting surfaces of fibres and depositing particles |
| 05/31/1994 | US5317071 Aldehyde treatment system |
| 05/31/1994 | US5316663 Process for the treatment of halogenated hydrocarbons |
| 05/26/1994 | WO1994011538A1 Process for remediation of lead-contaminated soil and waste battery casings |
| 05/26/1994 | WO1994011320A1 Method of manufacturing ceramic blocks in which residues containing heavy metals are bound, and the ceramic blocks thus manufactured |
| 05/26/1994 | WO1994004225A3 Method for the detoxification of mustard gas, sulfur-containing quaternary ammonium ionene polymers and their use as microbicides |
| 05/26/1994 | DE4239565A1 Easy setting cement mixt. - contg. decontaminated asbestos cement which is opt. neutralised and is free from water |
| 05/26/1994 | DE4238934A1 Gasification of organic materials by partial oxidn. - in free-flow gasifier after thermal embrittlement and comminution |
| 05/26/1994 | CA2124005A1 Method for remediation of lead-contaminated soil and waste battery casings |
| 05/24/1994 | US5314614 Process for hydrotreating an organic feedstock containing olefinic compounds and a halogen component |
| 05/24/1994 | US5314527 Treatment with acid, sodium chloride and sodium hypochlorite |
| 05/21/1994 | CA2109690A1 Process for the disposal of chlorinated organic products by sulphonation or nitration and subsequent oxidation |
| 05/19/1994 | DE4338264A1 Binding heavy metal residues in ceramics - by moulding mixt of silt, water and e.g. electroplating sludge then firing |
| 05/11/1994 | EP0596559A1 Method for the elimination of arsenic-containing warfare agents |
| 05/11/1994 | EP0595968A1 Plasma disintegration for waste material |
| 05/10/1994 | US5311566 In-situ x-ray treatment of organically contaminated material |
| 05/10/1994 | CA1329378C Decomposition of volatile organic halogenated compounds contained in gases and aqueous solutions |
| 05/04/1994 | EP0595441A1 Composition and method for dehalogenation and degradation of halogenated organic contaminants |
| 05/04/1994 | EP0595079A1 Process for the reaction of CFC's with alkali metal dispersions |
| 05/03/1994 | US5308507 Method and apparatus for removing organic contaminants |
| 05/03/1994 | US5308458 Destruction process |
| 04/28/1994 | WO1994009167A1 Extraction of mercury and mercury compounds from contaminated material and solutions |
| 04/28/1994 | WO1994008661A1 Product and method for treating asbestos |
| 04/28/1994 | DE4235750A1 Decontamination of chemical and microorganism soiling - using electromagnetic waves of low field strength to activate converter molecules at the surfaces to emit radiation to neutralise chemicals and microorganisms |
| 04/27/1994 | EP0593895A1 Process for the disposal of chlorinated organic products by oxidation treatment |
| 04/21/1994 | DE4235551A1 Recycling of asbestos contg. substances - by mixing with oxygen cpds. of phosphorous followed by heat treatment, eliminates asbestos fibres |
| 04/21/1994 | DE4235214A1 Processing contaminated pre-cleaned oil in plasma reactor - with pre-cleaning by extn. with mixt. of polar solvent and non-polar solvent, sepg. heavy phase, and removing volatiles by distn.. |
| 04/20/1994 | EP0495814B1 Waste disposal process |
| 04/19/1994 | US5304710 Reduction |