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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10/16/1996 | EP0737086A1 Composition and process for reducing or preventing metal and acid contamination in rock drainage |
10/16/1996 | CN1133614A Method for the rehabilitation of soil contaminated by hydrocarbons and other biodegradable substances |
10/10/1996 | WO1996031255A1 Method and apparatus for the removal of harmful constituents from cigarettes and tobacco before smoking |
10/10/1996 | DE19613376A1 Utilising active charcoal charged with organic halogen cpds. |
10/10/1996 | DE19513660A1 Fixing of heavy metals in soils and waste prods. |
10/10/1996 | CA2217689A1 Method and apparatus for the removal of harmful constituents from cigarettes and tobacco before smoking |
10/09/1996 | EP0735993A1 Method of organic homologation employing organic-containing feeds |
10/08/1996 | US5562855 Azeotropic compounds as refrigerants, cleaning agents, expansion agents |
10/08/1996 | US5562854 Octafluorobutane compositions |
10/08/1996 | US5562853 1,1,2,2,3,3,4,4,-octafluorobutane compositions |
10/08/1996 | US5562834 Steam stripping waste water containing hydrocarbons, treating with nickel, platinum group catalyst and chromate molybdate, tungstate, barium compounds |
10/08/1996 | US5562589 Preventing leaching from contaminated soils by mixing with elemental sulfur, then heating to form stable insoluble inorganic materials and organic polymers |
10/08/1996 | US5562588 Process for the in situ bioremediation of Cr(VI)-bearing solids |
10/08/1996 | US5562585 Process for disposal of asbestos or substances containing it |
10/08/1996 | US5562363 Apparatus for vitrifying hazardous waste |
10/03/1996 | WO1996030085A1 Catalytic oxidation |
10/03/1996 | WO1996030084A1 Process for the destruction of halocarbons |
10/03/1996 | CA2216845A1 Catalytic oxidation |
10/02/1996 | EP0734287A1 Method for the destructive scrubbing of methyl chloride gas |
10/01/1996 | US5561298 Destruction of contaminants using a low-energy electron beam |
10/01/1996 | US5561059 Increasing the efficiency, high speed biodegradation by applying a mixture comprising an emulsifier to break down the oil particle |
09/26/1996 | WO1996029119A1 Improved method for the treatment and stabilization of hazardous waste |
09/26/1996 | WO1996029118A1 A method for treatment of halogen-containing waste material |
09/26/1996 | WO1996024441A3 Tunable, self-powered integrated arc plasma-melter vitrification system for waste treatment and resource recovery |
09/26/1996 | DE19510463A1 Reducing amt. of chromium ions in material e.g. thermal storage bricks |
09/26/1996 | CA2214142A1 Improved method for the treatment and stabilization of hazardous waste |
09/25/1996 | EP0732964A1 Process and agent for the decontamination by means of micro-organisms |
09/25/1996 | EP0723525A4 Process for decreasing chlorine content in chlorinated hydrocarbons |
09/24/1996 | US5559278 Dehalogenating fluorocarbon refrigerants with amine base and a metal |
09/24/1996 | US5559029 Method of dispersing a hydrocarbon using bacteria |
09/19/1996 | WO1996028239A1 Method for purifying gaseous or liquid effluents containing sulphur derivatives |
09/19/1996 | DE19521204C1 Clean-up system for hazardous material containing toxic substances |
09/18/1996 | EP0732156A1 A process to decontaminate soil containing chlorophenols |
09/18/1996 | EP0732126A1 Treatment of organic compounds to reduce chlorine level |
09/17/1996 | US5556447 Detoxification of mercury contaminated soils with vaporization, contacting with carbon, separation and recovering mercury by heating, purging and condensing |
09/16/1996 | CA2171587A1 Process to decontaminate soil containing chlorophenols |
09/15/1996 | CA2171387A1 Treatment of organic compounds to reduce chlorine level |
09/12/1996 | WO1996027558A1 Method and apparatus for reacting oxidizable matter with particles |
09/12/1996 | WO1996027412A1 Feed processing employing dispersed molten droplets |
09/12/1996 | WO1996027411A1 Method and apparatus for treatment of organic waste material |
09/12/1996 | DE19509707A1 Asbestos conversion to non-hazardous form in builders waste or in-situ |
09/12/1996 | DE19508322A1 Disposal method and appts. for toxic and explosive materials |
09/12/1996 | CA2214530A1 Method and apparatus for treatment of organic waste material |
09/11/1996 | EP0730899A1 Process for cleaning gaseous or liquid effluents containing sulfurous compounds |
09/11/1996 | EP0730885A1 Process for the treatment of organic substances |
09/11/1996 | EP0730884A1 Method of decreasing the content of heavy metals in incineration and pyrolysis residues |
09/11/1996 | EP0730491A1 Chemical waste treatment |
09/11/1996 | CA2171382A1 Integrated chemical/biological treatment of organic waste |
09/10/1996 | US5554300 Purification system |
09/09/1996 | CA2170710A1 Method for disposing of organic compounds which in addition to the elements of carbon, hydrogen and oxygen comprise halogen, phosphorus, sulfur and/or metal compounds in atomic bond |
09/06/1996 | WO1996026974A1 Method of degrading polymer |
09/05/1996 | DE19507115A1 Oil and gasoline removal from water and ground surfaces |
09/04/1996 | EP0592537B1 Use of metallic peroxides in bioremediation |
09/03/1996 | US5552549 Process for the dechlorination of chlorinated aromatic compounds |
09/03/1996 | US5552061 Immersion of rotary impeller blades in liquid for circulation |
09/03/1996 | US5552059 Process to decontaminate soil containing chlorophenols |
09/03/1996 | US5552037 Catalytic hydrogenation of halogenated hydrocarbons to produce hydrogen halide |
09/03/1996 | US5551989 Method of cleaning using a foamed liquid |
09/03/1996 | US5551472 Pressure reduction system and method |
08/28/1996 | EP0728175A1 Process for dechlorination of a spent oil fraction |
08/28/1996 | EP0528982B1 Process for the destruction of halogenated organics |
08/27/1996 | US5550314 Precipitation as water insoluble form |
08/27/1996 | US5550311 Water pollution control |
08/27/1996 | US5550301 Reacting dried peroxide with metal organic ligand catalyst |
08/27/1996 | US5549878 Processes for the disposal and recovery of phossy water |
08/22/1996 | WO1996025203A1 Method for capture of chlorine dissociated from a chlorine-containing compound |
08/22/1996 | WO1996018724A3 Systems and methods for biodegradation |
08/22/1996 | DE19542742A1 Method of immobilising contaminants in contaminated material |
08/22/1996 | DE19507818A1 Chemically/morphologically converting asbestos |
08/21/1996 | EP0726793A1 Combined sorbent/catalyst system |
08/20/1996 | US5547653 Carbonization of halocarbons |
08/15/1996 | WO1996024558A1 Method and apparatus for thermal decomposition and separation of components within an aqueous stream |
08/15/1996 | WO1996024442A1 Reagent for treating a contaminated waste material and method for same |
08/15/1996 | WO1996024441A2 Tunable, self-powered integrated arc plasma-melter vitrification system for waste treatment and resource recovery |
08/14/1996 | EP0725760A1 Perchlorate removal process |
08/14/1996 | EP0725688A1 Method for neutralizing waste |
08/14/1996 | EP0725666A1 Selective oxidation catalysts for halogenated organics |
08/13/1996 | US5545805 Enhanced stabilization of lead in solid residues using acid oxyanion and alkali-metal carbonate treatment |
08/13/1996 | US5545800 Decomposition using a reducing agent |
08/13/1996 | US5545799 Oxidation, stabilization in cement |
08/13/1996 | US5545390 Process for the destruction of halocarbons |
08/13/1996 | US5545316 Apparatus for treating water containing organic chlorine compounds |
08/08/1996 | WO1996023734A1 Method for treating halogenated hydrocarbons prior to hydrothermal oxidation |
08/08/1996 | WO1996023607A1 Method and equipment for the disposal of materials such as waste |
08/08/1996 | CA2212140A1 Method and equipment for the disposal of materials such as waste |
08/07/1996 | EP0724918A1 Heavy metal-containing waste treating process and apparatus |
08/07/1996 | EP0724492A1 Electrokinetic decontamination of land |
08/07/1996 | EP0724468A1 Disposal of hydrazine propellants |
08/07/1996 | EP0688166A4 Proteinaceous oil spill dispersant |
08/07/1996 | EP0638129B1 Mercury contaminated mud treatment |
08/06/1996 | US5543324 Bacteria mixture |
08/06/1996 | US5543120 Method for converting asbestos to non-carcinogenic compounds |
08/06/1996 | US5542987 Method for cleaning the surfaces of a motor vehicle |
08/01/1996 | DE19603089A1 Biological decontamination of building materials or soils from, e.g. tar |
07/31/1996 | EP0723823A1 Process for the remediation of soils and old waste dumps |
07/31/1996 | EP0723525A1 Process for decreasing chlorine content in chlorinated hydrocarbons |
07/30/1996 | US5541386 Plasma arc decomposition of hazardous wastes into vitrified solids and non-hazardous gasses |
07/30/1996 | US5540838 Stimulation of microbial para-dechlorination of polychlorinated biphenyls |
07/23/1996 | US5539212 Toxic remediation system and method |
07/23/1996 | US5538604 Cell lining containing compound(s) which react with sodium cyanide formed during production of aluminum from alumina |