| 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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| 08/24/1994 | EP0611729A1 Method for biodegrading trichloroethylene and method for biodegrading chlorinated organic compound by microorganisms |
| 08/23/1994 | US5340555 Decomposing with caustic alkali using imidazolidinone or 2-oxohexahydropyrimidine derivatives as absorber |
| 08/23/1994 | US5340536 By steam and radiation |
| 08/23/1994 | US5340376 Controlled-release microbe nutrients and method for bioremediation |
| 08/18/1994 | WO1994018312A1 Microbial degradation of indigo and indigo carmine |
| 08/18/1994 | DE4304446A1 Process for separating off heavy metals |
| 08/11/1994 | DE4303811A1 Process for the rehabilitation of contaminated soils, based on leaching by means of plants with recovery of valuable materials |
| 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 | EP0609399A1 Bio-slurry reaction system and process for hazardous waste treatment |
| 08/10/1994 | EP0446307B1 Method of providing barrier between substrate and atmosphere |
| 08/10/1994 | EP0372084B1 Asbestos-treating agent and process for treating asbestos |
| 08/09/1994 | US5336842 Process and device for cleaning polluted solids |
| 08/09/1994 | US5336329 Process for toxic agent removal |
| 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 |
| 07/26/1994 | US5332508 Reversible photodeposition and dissolution of metal ions |
| 07/26/1994 | US5332496 System for performing catalytic dehalogenation of aqueous and/or non-aqueous streams |
| 07/21/1994 | WO1994015879A1 Microbially mediated degradation of nitrogen-containing phenol compounds |
| 07/16/1994 | CA2113488A1 Oil spill recovery system |
| 07/14/1994 | DE4300805A1 Treating asbestos and similar fibres and composites and materials contg. fibres |
| 07/07/1994 | WO1994015028A1 Runway-maintenance device |
| 07/07/1994 | WO1994014731A1 Destruction of halide containing organics and solvent purification |
| 07/07/1994 | WO1994014523A1 Method of treating contaminated media in dust form |
| 07/07/1994 | WO1994014504A1 Process for the chemical decomposition of halogenated organic compounds |
| 07/07/1994 | WO1994014503A1 Toxic material disposal |
| 07/07/1994 | WO1994014480A1 Method and apparatus for neutralization of biohazardous waste |
| 07/07/1994 | CA2152081A1 Toxic material disposal |
| 07/06/1994 | EP0604698A2 Process for vessel decontamination |
| 07/05/1994 | US5326538 Closed sterilization system for treating a product such as toxic or infectious waste |
| 07/05/1994 | US5326467 Recovering polychlorinated biphenyls from solution |
| 07/05/1994 | US5326439 In-situ chromate reduction and heavy metal immobilization |
| 06/30/1994 | DE4402006A1 Binding dissolved phenol cpds and heavy metal in tip |
| 06/29/1994 | EP0604110A1 Destruction of organic compounds |
| 06/29/1994 | EP0603773A1 Process for the preparation of a sorbent for retaining fluids |
| 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 |
| 06/29/1994 | EP0527959A4 Biological system for degrading nitroaromatics in water and soils |
| 06/28/1994 | US5324433 In-situ restoration of contaminated soils and groundwater |
| 06/28/1994 | US5324341 Method for chemically reducing metals in waste compositions |
| 06/28/1994 | US5323662 Bench scale process and apparatus for determining operating parameters of a thermal desorption process |
| 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 | CA2111913A1 Process for production of sorbents for uptake of liquids |
| 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 |
| 06/09/1994 | DE4240387A1 Organic contaminant esp. oil sepn. |
| 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 |
| 06/01/1994 | DE4239796A1 Stimulation of biological, esp. microbiological processes - by irradiation with light, esp. laser light applied briefly at intervals, useful in the prodn. of fermented milk prods. |
| 05/31/1994 | US5317071 Aldehyde treatment system |
| 05/31/1994 | US5316663 Process for the treatment of halogenated hydrocarbons |
| 05/31/1994 | US5316223 Method and apparatus for cleaning contaminated particulate material |
| 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 | WO1994011106A1 Process for reactivating particulate adsorbents |
| 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 | DE4239320A1 Controlling microbial purificn. of contaminated materials, esp. for regeneration pit sanitisation - by airing with oxygen-contg. gas to reduce nitrate and nitrite content, and/or adding an electron acceptor, other than oxygen, to reduce anaerobic centres. |
| 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 | US5314821 Method of separating bacteria from free living amoebae |
| 05/24/1994 | US5314620 Cutting oil treatment |
| 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 |
| 05/19/1994 | DE4238430A1 Microbial cleaning of hydrocarbon-contaminated soil - by adding complexing agent, pref. cyclodextrin, to increase bio-availability of hydrocarbon |
| 05/18/1994 | EP0597393A1 Process for cleaning harmful gas |
| 05/18/1994 | EP0597283A2 Method for biodegradation of polluting substance |
| 05/11/1994 | WO1994010094A1 Methods for generating residual disinfectants during the ozonization of water |
| 05/11/1994 | EP0596559A1 Method for the elimination of arsenic-containing warfare agents |
| 05/11/1994 | EP0596113A1 Method of decomposing polyamide |
| 05/11/1994 | EP0595968A1 Plasma disintegration for waste material |
| 05/11/1994 | CA2148246A1 Methods for generating residual disinfectants during the ozonization of water |
| 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 |