| Patents for A62D 101 - Harmful chemical substances made harmless, or less harmful, by effecting chemical change (5,283) |
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| 04/10/1991 | EP0420957A1 Thermal treatment process for organically contaminated material |
| 04/02/1991 | US5004551 Catalytic oxidation of hazardous wastes |
| 03/28/1991 | DE3931017A1 Contaminated soil cleaning - by atomic hydrogen passing through suspension in electrolytic cell |
| 03/27/1991 | EP0418613A2 Process for the removal during asbestos decontamination of buildings made out of these detached, asbestos fibre containing products, such as sprayed asbestos etc., and removal apparatus for performing said process |
| 03/27/1991 | CN1012142B Process for destroying chlorinated products at low temp. |
| 03/21/1991 | WO1991003281A1 Method and apparatus for the controlled reduction of organic material |
| 03/20/1991 | EP0417714A2 Method for removal of dioxin generated in waste combustion |
| 03/16/1991 | WO1991004104A1 Converting organic/organometallic gaseous or vaporizable compounds to inert solids |
| 03/16/1991 | CA2040436A1 Converting organic/organometallic gaseous or vaporizable compounds to inert solids |
| 03/13/1991 | EP0415963A1 Use of metal chelate complexes in dehalogenation |
| 03/12/1991 | CA2024994A1 Method for removal of dioxin generated in waste combustion |
| 03/07/1991 | WO1991002727A1 Process for destroying cyanuric fluoride in residues produced in its manufacture |
| 03/07/1991 | DE4021309A1 Process thermally breaking down chemical and treating toxic residues - has number of indirectly heated fluidised bed incinerators used in series to provide efficient disposal of harmful chemicals |
| 03/06/1991 | EP0326561B1 Process for immobilizing harmful substances in the ground or in ground-like materials |
| 02/28/1991 | DE3927951A1 Verfahren zur vernichtung von cyanurfluorid in den bei dessen herstellung anfallenden rueckstaenden Process for the destruction of cyanuric fluoride in during its production incurred RESIDUES |
| 02/27/1991 | EP0414303A1 Method for rendering toxic and harmful dust residues produced by thermal destruction processes inert |
| 02/14/1991 | DE3926252A1 Verfahren und vorrichtung zur zersetzung verbrauchter ionentauscherharze Method and device for decomposition of spent ion exchange resins |
| 02/10/1991 | WO1991002362A1 Process and device for disintegrating spent ion exchange resins |
| 02/10/1991 | CA2066741A1 Process and device for disintegrating spent ion exchange resins |
| 02/05/1991 | US4990404 Process for destruction of toxic organic chemicals and the resultant inert polymer by-product |
| 01/30/1991 | EP0410946A1 Decomposition of detrimental substances |
| 01/24/1991 | DE3923795A1 Waste incineration fly:ash treatment - e.g. for recycling to incinerator for reducing halohydrocarbon content |
| 01/22/1991 | CA1279331C Reductive dehalogenation of halogen compounds |
| 01/15/1991 | US4985220 Spraying with calcium bromide or chloride solution and foamin surfactant |
| 01/01/1991 | US4982039 Noncatalytic reduction, pyrolysis |
| 01/01/1991 | US4981650 Method for treatment of dioxin-contaminated media |
| 12/27/1990 | WO1990015642A1 Improved method and products for treating asbestos |
| 12/25/1990 | US4980039 Microwave-mediated degradation of PCB wastes |
| 12/18/1990 | CA1277827C Removal of polyhalogenated biphenyls from organic liquids |
| 12/12/1990 | EP0401924A2 New Process for disposing of the residues deriving from the processes of synthesis of chlorinated hydrocarbons |
| 12/12/1990 | EP0401810A1 Process for the chemical-thermal destruction of halogenated hydrocarbons |
| 11/28/1990 | EP0398889A1 Degradation of organochlorines |
| 11/28/1990 | EP0324754B1 Process for dehalogenation of hydrocarbons |
| 11/27/1990 | US4973783 Alkali metal and hydrosiloxane, polychlorinated biphenyls |
| 11/27/1990 | US4973464 Roasting in air or nitrogen atmosphere, volatilization, pyrolysis |
| 11/22/1990 | EP0247149B1 Apparatus for disposal of toxic wastes by combustion |
| 11/14/1990 | EP0397310A1 Method for the destruction of halogenated organic compounds in a contaminated medium |
| 11/11/1990 | WO1990013336A1 Corrin mediated degradation of organic nitrogen compounds |
| 11/11/1990 | CA2051410A1 Corrin mediated degradation of organic nitrogen compounds |
| 11/01/1990 | WO1990012853A1 Degradation of polychlorinated biphenyls |
| 10/30/1990 | US4966759 Fluid purification |
| 10/17/1990 | EP0392727A1 Process for the destruction of organic waste material |
| 10/17/1990 | EP0392589A1 Process for the treatment of heavy chlorination residues |
| 10/10/1990 | EP0390985A1 Treating a temperature-sensitive hydrocarbonaceaous stream |
| 10/09/1990 | US4961391 Thermal treatment process for organically contaminated material |
| 10/04/1990 | WO1990011475A1 Thermal treatment process for organically contaminated material |
| 10/03/1990 | EP0303882B1 Process for removing hydrogen sulphide with transition metal 2-ethyl-hexanoate |
| 09/20/1990 | DE3909060A1 Process for the making inert (inerting) of combustion residues and also natural and industrial sediments |
| 09/11/1990 | US4956064 Dehalogenation of halogenated organic compounds |
| 09/07/1990 | WO1990009959A1 Method for the removal of cyanides from spent potlinings from aluminum manufacture |
| 08/28/1990 | US4952746 Desulfurizaiton, dehalogenation, denitrification, demetallizaiton, deoxygenation |
| 08/28/1990 | US4952242 Composition for solidification or semi-solidification of waste materials |
| 08/23/1990 | DE3905025A1 Process for producing high-grade bauxite sinter having grain fractions up to 6 mm and above with simultaneous utilisation of the thermal energy of waste oils, even waste oils which can only be destroyed without hazard by high temperatures - up to 2000@C; wherein if only hazard-free destruction of such waste oil is to be operated, the bauxites are able to be replaced by material having high melting points, for example tungsten, as substitutes |
| 08/21/1990 | US4950833 Reacting polychlorobiphenyl with ammonium salt and alkali metals |
| 08/21/1990 | US4950425 Alkali chromate catalyst; hydrogen peroxide oxidant |
| 08/21/1990 | US4950409 Treatment with lime and carbon dioxide and bicarbonate to form nonleachable forms |
| 08/21/1990 | US4950309 Non catalytic destruction, detoxification of wastes; pollution control |
| 08/21/1990 | US4949641 Method of safely detoxifying mustard gases |
| 08/09/1990 | DE3903549A1 UV light for the degradation of pollutants, in particular of halogenated hydrocarbons |
| 08/08/1990 | EP0380782A1 Liquid dehalogenation agents |
| 08/08/1990 | CN1009072B Process for the destruction of by-product tetranitromethane |
| 08/02/1990 | CA2009007A1 Liquid dehalogenating agents |
| 07/19/1990 | DE3901356A1 Verfahren und vorrichtung zum reinigen von reinigungsloesungsmitteln Method and device for cleaning of cleaning solvents |
| 07/17/1990 | US4941957 Decomposition of volatile ogranic halogenated compounds contained in gases and aqueous solutions |
| 07/05/1990 | DE3844084A1 Process for preparing a decontaminant for vehicles, equipment and weapons contaminated with chemical warfare agents such as S-LOST, N-LOST, lewisite, organic phosphate esters such as Tabun, Soman, Sarin, VR and VX, especially the chemically thickened warfare agents |
| 06/26/1990 | US4937065 Process for the chemical-thermal degradation of haolgenated hydrocarbons |
| 06/21/1990 | DE3841844A1 Verfahren und vorrichtung zum kontinuierlichen zerlegen in ihre bestandteile fliessfaehiger organischer medien, insbesondere von halogenierten kohlenwasserstoffe enthaltenden abfallprodukten und zum weiteren aufbereiten u./o. Method and apparatus for continuously decomposed into their constituents fliessfaehiger organic media, in particular of halogenated hydrocarbons containing waste products and to further prepare u. / O. entsorgen Dispose |
| 06/19/1990 | US4935114 Microwave-enhanced chemical processes |
| 06/13/1990 | EP0372084A1 Asbestos-treating agent and process for treating asbestos |
| 06/06/1990 | EP0371201A1 Process for the hydrogenation of chloroorganic compounds and neutralisation of the resulting hydrogen chloride, and neutralising agent for hydrogen chloride resulting from chloroorganic compounds |
| 06/05/1990 | US4931192 Method for the disposal of hazardous non-polar organic wastes |
| 06/05/1990 | US4931167 Degradation of polychlorinated biphenyls |
| 05/29/1990 | US4929781 Process for the simultaneous hydroconversion of a first feedstock comprising unsaturated, halogenated organic compounds and a second feedstock comprising saturated, halogenated organic compounds |
| 05/23/1990 | DE3936516A1 Verfahren und vorrichtung zum zersetzen von halogenierten organischen verbindungen Method and apparatus for decomposing halogenated organic compounds |
| 05/22/1990 | US4927520 Process for treating a hydrocarbonaceous stream containing a non-distillable component to produce a hydrogenated distillable hydrocarbonaceous product |
| 05/22/1990 | US4927293 Method and apparatus for remediating contaminated soil |
| 05/15/1990 | US4925999 Method for non-pollution processing of halogenated organic compounds |
| 05/15/1990 | CA1269184A1 Stimulation of biooxidation processes in subterranean formations |
| 05/15/1990 | CA1269183A1 Method for decontaminating a permeable subterranean formation |
| 05/01/1990 | US4921936 Process for destruction of toxic organic chemicals and the resultant inert polymer by-product |
| 04/26/1990 | DE3835941A1 Verfahren der kunststoffpyrolyse im sandkoker Method of kunststoffpyrolyse in sandkoker |
| 04/25/1990 | EP0364595A1 Method of insolubilizing heavy metals contained in fly ash discharged from garbage incinerator |
| 04/25/1990 | EP0364594A1 Method of insolubilizing heavy metals contained in fly ash discharged from garbage incinerator |
| 04/05/1990 | DE3926757A1 Stabilised detoxification and disinfectant compsn. - contg. bleaching powder or calcium hypochlorite, and crystalline adsorbent powder, esp. mol. sieve to fix moisture and chlorine |
| 04/05/1990 | DE3918292A1 Treating flue ash in combustion gases from incineration plant - by treating with acid soln. to dissolve heavy metals and reprecipitating as sulphide cpd(s) on ash residue |
| 04/04/1990 | EP0360941A2 Decompostion of volatile organic halogenated compounds contained in gases and aqueous solutions |
| 03/27/1990 | US4911758 Washing with sodium hydroxide solution, adding calcium oxide or hydroxide; distillating; heating |
| 03/20/1990 | US4910353 Dehalogenation of polychlorinated biphenyls and other related compounds |
| 03/20/1990 | US4909947 Process for detoxifying high aqueous content hazardous waste streams |
| 03/20/1990 | US4909849 Cementitious material containing promoter and permeability reducing agent |
| 03/20/1990 | US4909164 Hazardous waste incinerator using cyclotron resonance plasma |
| 03/15/1990 | DE3829779A1 Process for removing organic chlorine compounds from a fluid to be purified |
| 03/07/1990 | EP0219542B1 Method for decontaminating soil |
| 02/22/1990 | DE3840565A1 Process for the hydrogenation of organochlorine compounds and neutralisation of the hydrogen chloride produced, and neutralising agents for hydrogen chloride produced from organochlorine compounds |
| 02/20/1990 | US4902842 Process for the simultaneous hydroconversion of a first feedstock comprising unsaturated, halogenated organic compounds and a second feedstock comprising saturated, halogenated organic compounds |
| 02/20/1990 | US4902441 Self moistening composition for deactivating toxic substances and method of use |
| 02/20/1990 | US4902408 Process for removing hydrogen sulphide using metal compounds |
| 02/15/1990 | DE3827086A1 Process and apparatus for thermal decontamination of filter dusts and other residues |
| 02/06/1990 | US4899001 Process for the simultaneous hydroconversion of a first feedstock comprising unsaturated, halogenated organic compounds and a second feedstock comprising saturated, halogenated organic compounds |
| 01/23/1990 | US4895995 Process for the simultaneous hydroconversion of a first feedstock comprising unsaturated, halogenated organic compounds and a second feedstock comprising saturated, halogenated organic compounds |