| 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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| 02/03/1993 | EP0524967A1 Oxidation chamber |
| 02/03/1993 | EP0524933A1 Methods for neutralizing dyestuff-sludges and waste products. |
| 01/28/1993 | DE4124621A1 Immobilising contaminants, esp. heavy metals, in effluent gases, liq(s). and solids - by converting harmful substances into highly insoluble complex cpds. with jarosite type structure |
| 01/27/1993 | EP0524738A1 Treatment of halogenated compounds |
| 01/27/1993 | CN1068415A Method of reprocessing detonating caps containing mercury compounds, potassium chlorate and antimony trisulphide |
| 01/26/1993 | US5182095 Method for processing residues from the distillation of chlorosilanes |
| 01/26/1993 | US5182030 Regeneration of adsorbents using advanced oxidation |
| 01/21/1993 | WO1993000982A1 Process and device for detoxifying the exhaust gas from rubbish incineration plants |
| 01/21/1993 | DE4124956C1 Decontamination of crumbly structure of e.g. soil - comprises injection of lignin decomposing agent and treatment of closed system with oxygen@-contg. gases e.g. air |
| 01/21/1993 | DE4124101A1 Rendering solid residues from refuse burning, flue gas purificn. etc., inert - by fusing under reducing conditions to give harmless siliceous residue, heavy metal sump prod. and condensable volatile metal effluent gas |
| 01/21/1993 | DE4104624C1 Degradation of harmful organic material - using lignin-degrading organisms, without the need for specially prepd. substrate |
| 01/20/1993 | EP0523184A1 Film-forming proteinaceous emulsion |
| 01/20/1993 | EP0523038A1 Degradation of polychlorinated biphenyls |
| 01/14/1993 | DE4123200A1 Purificn. degassing, sterilisation or decontamination process - using hydrogen oxidn. for water synthesis, esp. useful for air conditioning |
| 01/13/1993 | EP0522841A2 Decomposition of organic hydroperoxides |
| 01/13/1993 | EP0522140A1 Electrochemical desensitization process |
| 01/13/1993 | EP0522056A1 Method and apparatus for treating hazardous waste or other hydrocarbonaceous material |
| 01/10/1993 | CA2073157A1 Decomposition of organic hydroperoxides |
| 01/07/1993 | WO1993000178A1 Use of metallic peroxides in bioremediation |
| 01/07/1993 | DE4122175A1 Disposal method for industrial wastes contg. heavy metals - comprises compacting waste powder into briquettes and sintering on microwave bed |
| 01/05/1993 | US5177305 Waste incineration process |
| 01/05/1993 | US5177304 Hazardous wastes |
| 01/05/1993 | US5176897 Catalytic destruction of organohalogen compounds |
| 12/30/1992 | EP0520226A2 Halogen scavengers |
| 12/29/1992 | US5174985 Process for the oxidation of water-insoluble organic compounds |
| 12/29/1992 | US5174973 Method and apparatus for effecting gas-liquid contact |
| 12/29/1992 | US5174893 Alkali metal or alkaline earth metal catalyst and incubation |
| 12/29/1992 | US5174877 Suspension of semiconductor particles to adsorb metal pollutants; filtration; reuse |
| 12/29/1992 | CA2072477A1 Deep oxidation of halogenated organics with porous carbonaceous materials |
| 12/23/1992 | WO1992022512A1 Process for the preparation and leach-resistant solidification of filter dusts and reaction products of flue-gas purification of waste and sewage sludge incineration plants |
| 12/23/1992 | WO1992022511A1 Process for preparing and possibly solidifying filter dusts and/or reaction products |
| 12/23/1992 | EP0235249B1 In situ hazardous waste treating apparatus and method of using same |
| 12/22/1992 | US5173286 Fixation of elemental mercury present in spent molecular sieve desiccant for disposal |
| 12/22/1992 | US5173269 Exposing residue in container to radiation to cure remaining acrylate |
| 12/17/1992 | DE4117515A1 Fine grain bed cleaning - includes heavy metal removal and decontamination of toxic organic matter |
| 12/16/1992 | EP0518206A1 Method of treating and consolidating filter-dust and/or reaction products |
| 12/16/1992 | EP0517735A1 Plasmatron with steam as the plasma gas and process for stable operation of the plasmatron. |
| 12/10/1992 | WO1992021917A1 Method and apparatus for decontamination of soils |
| 12/10/1992 | WO1992021409A1 Process for immobilizing heavy metals in the soil |
| 12/10/1992 | DE4118630A1 Recovery of solvent chemicals from filter inserts - comprises cutting up inserts within a sealed container, passing to a solvent condenser and collecting the vapours |
| 12/09/1992 | EP0517201A1 Device for disposal of photo polymer materials |
| 12/09/1992 | EP0516917A2 Method for burning halogenated hydrocarbon containing waste |
| 12/08/1992 | US5169536 Detoxification agents for surfactant based biocides |
| 12/08/1992 | US5169532 Method for biological removal of cyanides, thiocyanate and toxic heavy metals from highly alkaline environments |
| 12/01/1992 | US5167711 Low-temperature ashing of hazardous plastic waste |
| 11/26/1992 | WO1992020476A1 Method and apparatus for eliminating volatile amines used in preparing foundry cores |
| 11/26/1992 | DE4116925A1 Chloro-silane or organo:chloro-silane distn. residue treatment - to recover pure hydrogen chloride and useful free running neutral solid, by acid hydrolysis with sulphuric acid at elevated temps. |
| 11/25/1992 | EP0378578B1 Apparatus and process for the detoxification of hazardous waste |
| 11/24/1992 | CA1310496C Disposal of toxic and polymeric wastes |
| 11/17/1992 | US5164174 Detoxification of aluminum spent potliner by thermal treatment, lime slurry quench and post-kiln treatment |
| 11/17/1992 | US5163626 Destruction process |
| 11/12/1992 | WO1992019719A1 Glyphosate degrading bacteria |
| 11/12/1992 | WO1992019364A1 Method of cleaning gases containing condensable organic pollutants |
| 11/12/1992 | DE4115351A1 Degradation of chlorinated aromatic cpds., esp. in soil - by enzymes produced from cellular slime fungi e.g. dictyostelium |
| 11/11/1992 | EP0512660A1 Method and apparatus for combined chemical-biological disposal of explosive-containing residues |
| 11/11/1992 | EP0512315A2 Process and apparatus for decontaminating contaminated solids |
| 11/10/1992 | US5162600 Method of treating lead contaminated soil |
| 11/10/1992 | CA2067586A1 Process and device for cleaning polluted solids |
| 11/05/1992 | DE4114560A1 Thixotropic bleaching powder dispersion prodn. for decontamination of chemical warfare agents - involves dispersing bleaching powder in colloidal alumina and silica, and copolymer resin in water |
| 11/05/1992 | DE4114178A1 Removal of heavy metal (cpds.) esp. chromium and copper from esp. wood - by extracting from cut material using aq. solns. of substd. carboxylic acids, continuous removal of complex formed esp. with ion exchanger, and recirculation of extracting liq. |
| 11/03/1992 | US5160525 Bioremediation enzymatic composition |
| 10/28/1992 | EP0510041A1 Waste treatment |
| 10/27/1992 | WO1992019373A1 Amoebae/bacteria consortia and uses for degrading wastes and contaminants |
| 10/27/1992 | US5159072 Dichloromethane abatement |
| 10/22/1992 | DE4112550A1 Explosive material disposal - by mixing with coal, briquetting and burning |
| 10/21/1992 | EP0509474A2 Method of decontaminating soils polluted by harmful substances |
| 10/15/1992 | DE4111917A1 Fuel gas prodn. from wastes contaminated with heavy metals - by partial oxidn. in presence of sulphur@ to convert volatilised metals to solid sulphide |
| 10/14/1992 | EP0508697A1 A re-calcination and extraction process for the detoxification and comprehensive utilization of chromic residues |
| 10/14/1992 | EP0507981A1 Method to treat toxic and harmful sludges coming from metal processings so as to remove metals and their alloys |
| 10/13/1992 | US5155042 Reduction to insoluble CR/III/ with sulfate-reducing bacteria; immobilized in situ in soil |
| 10/07/1992 | EP0507421A2 Process for decontaminating polluted soils, sludges and/or other solid materials |
| 10/06/1992 | US5152844 Lewis acid catalyzed dehydrochlorination; precipitation |
| 10/01/1992 | DE4205035A1 Contaminated wood-surface cladding sheet - forms airflow space moving pollutant molecules, for absorption |
| 09/30/1992 | EP0506642A1 Treatment of particulate material contaminated with poly halogenated aromatics |
| 09/30/1992 | EP0506153A1 Method of decomposition of polyhalogenated organic compounds |
| 09/29/1992 | US5151263 Formation of carbon dioxide, hydrogen chloride and hydrogen fluoride from chlorofluoroalkanes and alumina-silica catalysts |
| 09/24/1992 | CA2062497A1 Process of decomposing polyhalogenated organic compounds |
| 09/23/1992 | WO1992016262A1 Immobilization of lead in solid residues from reclaiming metals |
| 09/23/1992 | EP0504203A1 Method and apparatus for effecting gas-liquid contact. |
| 09/22/1992 | US5149444 Toxic Organic Halides |
| 09/16/1992 | EP0503831A1 Destruction of polychlorinated biphenyls |
| 09/09/1992 | EP0502063A1 A method for the destruction of halogen-containing substances |
| 09/09/1992 | CN1018155B Method of contaminating location containing pyrophoric p4 contamination |
| 09/08/1992 | US5145651 System to mitigate the effect of an environmental release of a contaminant gas |
| 09/03/1992 | WO1992014562A1 Methods for neutralizing dyestuff-sludges and waste products |
| 09/03/1992 | DE4206308A1 Cleaning and/or disposal of electrical components which contain PCB(s) - using sodium dispersion for PCB elimination from filling and flushing liquids |
| 09/02/1992 | EP0501504A1 Process for treating chlorinated hydrocarbon containing smoke-generating bodies and smoke-generating compositions |
| 09/02/1992 | EP0500824A1 Polymers for scavenging nitrosating agents |
| 09/02/1992 | EP0500657A1 A method of removing heavy metals form soil, sludge, compost and similar materials |
| 09/01/1992 | US5144146 Method for destruction of toxic substances with ultraviolet radiation |
| 09/01/1992 | US5143757 Multilayer coatings useful in encapsulating potentially hazardous materials |
| 09/01/1992 | US5143710 Methods for producing superoxide ion in situ |
| 08/27/1992 | DE4105562A1 Conversion of toxic halogenated organic cpds. from incinerator filter dust - comprises adding glycol to alkaline e.g. filter dust or absorption material and adding water-glass to agglomerate |
| 08/26/1992 | EP0499696A2 Process for the decontamination of surfaces and solid objects |
| 08/25/1992 | US5141636 Purification system |
| 08/25/1992 | US5141629 Process for the dehalogenation of organic compounds |
| 08/19/1992 | EP0499441A2 Method for cleaning sites contaminated with biodegradable organic wastes and compositions for enhancing the biodegradation of said wastes |
| 08/19/1992 | EP0499363A1 Destruction process for photocatalytically degradable organic material |
| 08/19/1992 | EP0499362A1 Destruction process for photocatalytically degradable organic material |
| 08/18/1992 | US5138959 Method for treatment of hazardous waste in absence of oxygen |