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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03/25/1998 | EP0666834B1 Methods for generating residual disinfectants during the ozonization of water |
03/24/1998 | US5732367 Reduction of leachability and solubility of radionuclides and radioactive substances in contaminated soils and materials |
03/24/1998 | US5730784 Oxidation to sulfur dioxide |
03/24/1998 | US5730073 Waste flon disposal method |
03/19/1998 | WO1998010837A1 Recirculating treatment of waste gases formed in molten metal baths |
03/18/1998 | EP0829276A1 Process for solidifying residues of purification of fumes from garbage incineration and industrial wastes |
03/18/1998 | EP0799079A4 Elimination of cyanides in the dehalogenation of halofluorocarbons |
03/17/1998 | US5728914 Method and apparatus for disposing of organic halogen compounds |
03/17/1998 | US5728910 Oil-forming method of chlorine-containing plastic refuse |
03/12/1998 | WO1998009722A1 Corona method and apparatus for altering carbon containing compounds |
03/11/1998 | EP0827690A2 Sulphur-containing quaternary ammonium ionene polymers and their use as microbicides |
03/11/1998 | EP0827430A1 Biotechnological purification of ground and water containing heavy metals |
03/11/1998 | EP0670818B1 Method of manufacturing ceramic blocks in which residues containing heavy metals are bound, and the ceramic blocks thus manufactured |
03/10/1998 | US5725752 Carbon felt anode |
03/05/1998 | WO1998008628A1 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 |
03/05/1998 | DE19638018C1 Portable decontamination apparatus |
03/04/1998 | EP0567602B1 Method and apparatus for decontamination of soils |
03/04/1998 | CN1174811A Process for decomposing fluorocarbons, reagent and apparatus used therefor |
03/03/1998 | US5722928 Contacting waste with water soluble phosphate, sulfuric and/or nitric acids, complexing agent containing iron, aluminum and/or chloride ions to form less soluble lead product and inhibit leaching |
02/26/1998 | WO1998007831A1 Novel microorganism and method for environmental purification using the same |
02/26/1998 | WO1998007661A1 Process for decomposing triiodobenzene derivatives |
02/26/1998 | DE19635531A1 Verfahren zum Abbau von Triiodbenzolderivaten in wäßrigen Medien A method of degrading in aqueous media Triiodbenzolderivaten |
02/26/1998 | DE19635365A1 Forming mineral phases with hydraulic properties |
02/24/1998 | US5720927 Impinging flow of chemical compound on heated member |
02/24/1998 | US5720578 Wet oxidizing mud or suspended earth by oxidation with oxygen, heating and pressurizing in the presence of an iron compound and a quinone promoter |
02/18/1998 | EP0823855A1 Catalytic-hydrothermal disposal process of chemical military materials |
02/18/1998 | CN1173836A Compost decontamination of DDT contaminated soil |
02/18/1998 | CN1173835A Anaerobic/aerobic decontamination of DDT contaminated soil by repeated anaerobic/aerobic treatments |
02/17/1998 | US5719099 One step; using a sulfonated calcium aluminum magnesium phosphate |
02/11/1998 | EP0823266A1 Process and device for the disposal of carbonised coke and/or pyrolysis dust |
02/10/1998 | US5716590 Catalytically active material comprises elemental silicon and at least one transition metal or transition metal silicide |
02/10/1998 | US5716316 Treatment of fly ash produced by a waste incinerator and containing chlorides of toxic metals |
02/05/1998 | DE19630527A1 Decontamination of soil or building rubble containing chromate(s) |
02/04/1998 | EP0822253A2 Novel microbial strain, method for biodegrading organic compounds and method for environmental remediation |
02/04/1998 | EP0822252A2 Microbial strains, method for biodegrading organic compounds and method for environmental remediation |
02/04/1998 | EP0821606A1 Method and apparatus for the removal of harmful constituents from cigarettes and tobacco before smoking |
02/03/1998 | US5714665 Method and apparatus for the decomposition and re-use-as-resource treatment of ozone layer-depleting substances by application of UV light |
02/03/1998 | US5714128 Apparatus for destruction of chemical warfare agents |
02/03/1998 | US5714085 Aqueous mixture of group 1a and 2a salts with tannin and pyroligneous acid; solidification |
01/29/1998 | DE19642170A1 Recovery of useful product from vehicle oil, spillages etc |
01/28/1998 | EP0820532A1 Process for the separation of copper and heavy metals from incinerated garbage residue and slag |
01/28/1998 | EP0820496A2 Methods for using styrene oil (as heat transfer fluid, hydraulic fluid, lubricant) |
01/28/1998 | EP0820328A1 Catalytic oxidation |
01/28/1998 | EP0591211B1 Reversible transformation of hydrocarbons |
01/27/1998 | US5712219 Air and water pollution control |
01/27/1998 | US5711635 Apparatus for hazardous waste vitrification |
01/22/1998 | DE19628751A1 Floating material used for absorbing oils and greases |
01/21/1998 | EP0819449A1 Process for decomposing fluorocarbons, reagent and apparatus used therefor |
01/21/1998 | EP0819448A1 Process for the reduction of chlorofluorocarbons and production of derivatives thereof in an electrolytic cell, cell for carrying out said reduction and process for removing the by-products formed within the cell |
01/21/1998 | CN1171058A Buffering of cementitious hazadous waste compositions containing electric arc furnace dust |
01/20/1998 | US5711019 Method for treating electrolyte to remove Li2 O |
01/20/1998 | US5711018 Rotary kiln treatment of potliner |
01/20/1998 | US5711017 Process for the destruction of chemical agents and munitions |
01/20/1998 | US5710360 Induction heating, vaporization, removal; waste recycling |
01/20/1998 | US5710359 Environmentally appropriate degradation and disposal of heteroatom-containing compounds |
01/20/1998 | US5710358 Oxidative detoxification of phosphonothiolates and phosphonothioic acids |
01/20/1998 | US5709841 Waste stream treatment |
01/20/1998 | US5709800 Environmentally acceptable waste disposal by hydrothermal decomposition of labile compounds with nitrite |
01/20/1998 | US5709734 Method for disposing of ozone-degrading and climatically active halogenated compounds |
01/15/1998 | WO1998001866A1 Methods of decontaminating substrates with in situ generated cyanides |
01/15/1998 | WO1998001241A1 Biodegradation of the gasoline oxygenates |
01/14/1998 | EP0818219A1 Process for detoxicating noxious wastes and a detoxicating agent used for the process |
01/13/1998 | US5707857 Process for the rehabilitation of soils contaminated by hydrocarbons and other biodegradable substances |
01/13/1998 | US5707856 Microbiological method for disposing of organic waste materials |
01/13/1998 | US5707508 Apparatus and method for oxidizing organic materials |
01/08/1998 | WO1998000246A1 Apparatus and method for hazardous waste vitrification |
01/08/1998 | WO1998000202A1 Paint for nonhazardous removal of heavy metals and method for using the same |
01/08/1998 | DE19728182A1 System for decomposition of poly:chloro-bi:phenyls into harmless substance |
01/07/1998 | EP0814875A1 A method for treatment of halogen-containing waste material |
01/07/1998 | EP0814874A1 Improved method for the treatment and stabilization of hazardous waste |
01/07/1998 | EP0690752B1 Process for bioremediation of contaminated soil or groundwater |
01/06/1998 | US5705140 Process for the transformation of halogenated refrigerant gases |
01/06/1998 | US5705049 Catalytic oxidation and carbonylation of aromatic compounds |
01/06/1998 | US5704557 Separation of volatiles and nonvolatiles |
01/06/1998 | CA2084881C Controlled-release microbe nutrients and method for bioremediation |
12/30/1997 | US5703131 Method for the detoxification of mustard gas sulfur-containing quaternary ammonium ionene polymers and their use as microbicides |
12/29/1997 | EP0813438A1 Feed processing employing dispersed molten droplets |
12/29/1997 | EP0813437A1 Method and apparatus for treatment of organic waste material |
12/29/1997 | EP0710150A4 Method and afterburner apparatus for control of highly variable flows |
12/23/1997 | US5700558 Granulated foam of urea-formaldehyde resin and polyurethane, de-dust agent, ground cellulosic material and micribial nutrient of composite of water soluble sources of nitrogen, phosphorus and iron and oleophilic, lipophilic coating |
12/18/1997 | WO1997047363A1 Biodegradation of metal cyanides |
12/18/1997 | WO1997047362A1 Removal of heavy metals from waste incineration or glass furnace residues |
12/17/1997 | EP0730491A4 Chemical waste treatment |
12/17/1997 | EP0595968B1 Plasma disintegration for waste material |
12/17/1997 | EP0556385B1 Process for fixing lead-contaminated ecologically hazardous industrial waste materials using clinoptilolite zeolite |
12/16/1997 | US5698829 Providing solution of toxic chemicals, solvent, and photosensitixer, exposing to ultraviolet radiation or sunlight |
12/16/1997 | US5698762 Covering with a non-combustible material consisting of loose, discrete particles like sand; irradiating |
12/16/1997 | US5698759 Treatment of polyvinylchloride |
12/11/1997 | WO1997038943A3 Apparatus and method for oxidizing organic materials |
12/11/1997 | DE19654624C1 Corynebacterium sp. K2-17 |
12/10/1997 | CN1036635C Material processing |
12/09/1997 | US5695775 Decontaminating of skin or materials contaminated by chemical warfare agents |
12/09/1997 | US5695732 Method for treating a halogenated organic waste to produce halogen gas and carbon oxide gas streams |
12/03/1997 | EP0809526A1 Method for capture of chlorine dissociated from a chlorine-containing compound |
12/03/1997 | EP0625216B1 Process for remediation of lead-contaminated soil and waste battery casings |
12/03/1997 | CN1166794A Method and apparatus for destruction of volatile organic compound flows of varying concentration |
12/03/1997 | CN1166521A Gas formulation containing bittering agent |
12/02/1997 | US5693527 Activation of microorganism by contact with water soluble lignocellulose plant extract to induce expression of enzyme which decomposes di-, trichloroethylene |
11/27/1997 | WO1997044096A1 Plasma incineration method |
11/27/1997 | CA2255623A1 Plasma incineration method |