| 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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| 01/03/1989 | US4795590 Treatment of hazardous material with vapor suppressing, persistent, water-containing, polymeric air foam |
| 12/29/1988 | WO1988010234A1 A method for treating asbestos |
| 12/28/1988 | EP0296616A1 Process for the detoxification of steel plant wastes |
| 12/27/1988 | US4793937 Method and apparatus for separating contaminants from fluidizable solids |
| 12/21/1988 | EP0295454A2 Process and apparatus for the purposeful destruction (cracking) of polychlorodibenzodioxines and/or polychlorinated dibenzofuranes and for the low-pollution processing of the cracked matter |
| 12/15/1988 | DE3718272A1 Composition for the decontamination of objects polluted by chemical and biological warfare agents (weapons) |
| 12/08/1988 | DE3718000A1 Verfahren zur sanierung von gebaeuden durch umweltfreundliches deponiefaehigmachen von gesundheitsschaedlichen, staubenden feststoffen, insbesondere von saemtlichen im baugewerbe eingesetzten alten isoliermaterialien, spritzputzen und anderen beschichtungen auf basis von asbest-, glas-, stein- und/oder anderen mineralfasern sowie asbestzementwaren Process for the rehabilitation of buildings with environmentally friendly deponiefaehigmachen of gesundheitsschaedlichen, dust-tight materials, particularly of all EMTeachline used in the building industry old insulating materials, injection cleaning and other coatings on the basis of asbestos glass-, stone and / or other mineral fibers and asbestos-cement were |
| 12/01/1988 | WO1988009228A1 Process for cleansing of buildings by rendering noxious dust-forming solids suitable for pollution-free disposal |
| 12/01/1988 | WO1988009199A1 A process for the removal of organic contaminants from solids and sediments |
| 11/22/1988 | CA1245068A1 Slurry processes for decontaminating soil |
| 11/15/1988 | US4784699 Process for decontaminating military nerve and blister agents |
| 11/03/1988 | WO1988008325A1 Method and apparatus for removing polycyclic aromatic hydrocarbons from the exhaust of a municipal waste incinerator |
| 11/03/1988 | DE3713103A1 Removing phenol cpds. or chloro-aromatics from waste water - by polymerising with phenol-oxidising enzyme and pptn. with polyimine |
| 11/01/1988 | US4781959 Detoxification of chemical and or biological agents |
| 11/01/1988 | US4781826 Apparatus for decontaminating PCB-contaminated dielectric fluids |
| 11/01/1988 | US4781041 Apparatus for cleaning garments and soft goods contaminated with nuclear, chemical and/or biological contaminants |
| 10/26/1988 | EP0288408A1 Processes for decontaminating polluted substrates |
| 10/25/1988 | US4780287 Decomposition of volatile organic halogenated compounds contained in gases |
| 10/25/1988 | US4780135 Process for the detoxification of steel plant wastes |
| 10/20/1988 | DE3712125A1 Process for working up chlorosilane-containing residues by incineration (combustion) with recovery of finely divided silica and gaseous HCl from the flue gases |
| 10/20/1988 | DE3711598A1 Microbiological process for denitrification, and device for carrying out the process |
| 10/18/1988 | US4778606 Heating in a gaseous stream at a temperature sufficient to remove toxic material |
| 10/13/1988 | DE3711503A1 Ammonia removal from combustion ash esp. fly ash - using small amt. of water, and drying under alkaline conditions with reduced drying energy |
| 10/11/1988 | US4776947 Method of dehalogenating hydrocarbon oils |
| 10/05/1988 | EP0188507B1 A method for neutralizing waste sulfuric acid by adding a silicate |
| 09/28/1988 | EP0283600A1 Landfill disposal of material containing vanadium |
| 09/27/1988 | CA1242459A1 Process for the destruction of by-product tetranitromethane |
| 09/21/1988 | EP0282880A2 Process for the pollution-free destruction of polychlorinated waste products |
| 09/06/1988 | CA1241524A1 Abatement of indoor formaldehyde vapour and other indoor gaseous pollutants |
| 09/01/1988 | DE3705519A1 Process for the disposal of soil containing heavy-metal compounds |
| 08/29/1988 | EP0269659A4 Novel compositions and method for neutralization and solidification of hazardous alkali spills. |
| 08/18/1988 | DE3720833A1 Method and plant for the biological recultivation treatment of soil contaminated with xenobiotics |
| 08/16/1988 | US4764282 Absorption by particles of vulcanized rubber of liquid halogenated hydrocarbon; for incineration |
| 08/16/1988 | US4764219 Clean up and passivation of mercury in gas liquefaction plants |
| 08/11/1988 | DE3702930A1 Process for reducing and neutralising salts of hypochlorous acid |
| 08/10/1988 | EP0277858A1 Process for destroying chlorine products at a low temperature |
| 08/09/1988 | US4762697 Boiling off yellow phosphorus, combustion in air of remaining phosphorus |
| 08/09/1988 | US4762690 Crandallites |
| 08/03/1988 | CN88100299A Process for destroying chlorinated products at low temp. |
| 08/02/1988 | US4761271 Method for treating destabilized, fire-involved elemental phosphorus |
| 08/02/1988 | US4761221 Polyglycol and alkali hydride |
| 07/28/1988 | DE3701242A1 Exercise emulsion for detoxification exercises, and method for preparing the emulsion |
| 07/27/1988 | EP0204910B1 Process for the chemical-thermal decomposition of halogenated hydrocarbons |
| 07/20/1988 | EP0274856A1 Microbial degradation of waste |
| 07/19/1988 | US4758420 Solvent extraction of polychlorinated organic compounds from porous materials |
| 07/05/1988 | US4755628 Process for dehalogenating hydrocarbons |
| 06/14/1988 | US4751063 Process for treating spent catalyst including antimony halides from chlorofluorocarbon production |
| 06/08/1988 | EP0269659A1 Novel compositions and method for neutralization and solidification of hazardous alkali spills |
| 06/01/1988 | DE3637308C1 Nutrient mixture for increasing the rate of biodegradation of mineral oil products and its use |
| 05/31/1988 | US4748292 Method for removing polyhalogenated hydrocarbons from non-polar organic solvent solutions |
| 05/31/1988 | US4748051 Reducing exposure to hazardous particles |
| 05/31/1988 | CA1237379A1 Method of and apparatus for cleaning garments and soft goods contaminated with nuclear, chemical and/or biological contaminants |
| 05/26/1988 | DE3639807A1 Process for heat-treating pollutant-containing mud |
| 05/26/1988 | DE3638625A1 Detoxifying emulsion and process, apparatus and check on results for preparation of the emulsion |
| 05/24/1988 | US4746499 Portable vehicle with a scrubber source of oxygen |
| 05/17/1988 | US4745226 Reaction of sulfur with polychlorinated polyphenyls |
| 05/17/1988 | US4744917 Nonionic or anionic surfactants |
| 05/11/1988 | EP0266437A1 Process and apparatus for neutralizing toxins and pollutants, especially products and objects which cause allergies when contacted by humans |
| 05/10/1988 | CA1236488A1 Process for the destruction of toxic organic products |
| 05/03/1988 | US4741834 Method for underground support and removal of hazardous ions in ground waters |
| 04/12/1988 | US4737356 Immobilization of lead and cadmium in solid residues from the combustion of refuse using lime and phosphate |
| 04/07/1988 | WO1988002269A1 Process for immobilizing harmful substances in the ground or in ground-like materials |
| 04/07/1988 | WO1988002268A1 Process for dehalogenation of hydrocarbons |
| 04/06/1988 | EP0160668B1 Method for reducing content of halogenated aromatics in hydrocarbon solutions |
| 04/05/1988 | US4735784 Method of treating fluoride contaminated wastes |
| 03/31/1988 | DE3632337A1 Process for the non-polluting disposal of mineral oils and mineral oil-like substances |
| 03/30/1988 | EP0261687A1 Disposal of toxic and polymeric wastes |
| 03/30/1988 | CN87106273A Hazardous waste reactor system |
| 03/10/1988 | WO1988001711A1 Hazardous waste reactor system |
| 03/02/1988 | EP0257893A1 Process for the destruction of organic waste material |
| 03/02/1988 | EP0257260A1 Process for the hydrogenation treatment of mineral oils contaminated by chlorobiphenyls |
| 03/02/1988 | EP0257170A1 Process for the fast chemical decomposition of halogenated and polyhalogenated organic compounds, such as polychlorobiphenyls, polychlorodibenzofurans and polychlorodibenzodioxins, and for the decontamination of surfaces or fluids |
| 02/17/1988 | EP0145750B1 Methods for decontaminating soil |
| 02/17/1988 | CN87100584A Insitu hazardous waste treating apparatus and method of using same |
| 02/09/1988 | US4724070 Using sodium derivative of a polyglycol and weak base |
| 02/09/1988 | US4723992 Spreading iron, chromium, or aluminum salts with a weak acid on to surface |
| 02/04/1988 | DE3625847A1 Decontamination device |
| 02/04/1988 | DE3625583A1 Process for preparing a decontamination composition based on chlorinated lime and magnesium oxide and the use of hydrophobic, thermogenic (thermally prepared) silica whose bulk density lies between 350 g/l and 400 g/l |
| 02/04/1988 | DE3625232A1 Method and apparatus for degrading polyhalogenated, preferably polychlorinated, hydrocarbons present in liquid, in particular polychlorinated biphenyls contained in waste oils, by irradiation |
| 02/03/1988 | EP0255189A1 Reducing exposure to hazardous particles |
| 02/02/1988 | US4722774 Recovery or arsenic and antimony from spent antimony catalyst |
| 01/28/1988 | WO1988000483A1 Process for decomposing polyhalogenated compounds |
| 01/28/1988 | DE3624299A1 Recultivation of seabed after marine dumping of industrial wastes and with accumulation of pollutants and biological treatment of toxically polluted seabed |
| 01/20/1988 | EP0253454A1 Process for the removal of heavy metals from acid, phosphate-containing aqueous media |
| 01/14/1988 | DE3622242A1 Decontaminating agent for chemical warfare agents and their use |
| 01/14/1988 | DE3621313A1 Process for the microbial degradation of contaminants |
| 01/13/1988 | EP0252688A1 Dehalogenation of halogenated organic compounds |
| 01/13/1988 | EP0252521A1 Process for decomposing polyhalogenated compounds |
| 01/07/1988 | EP0251320A2 Microorganisms for degrading toxic waste materials |
| 01/07/1988 | EP0250748A1 Process for the dehalogenation of hydrocarbon oils |
| 01/07/1988 | DE3622176A1 Reprocessing method for spent oil and reprocessing plant |
| 01/07/1988 | DE3621333A1 Process for the degradation of waste gypsum and apparatus for carrying out the process |
| 01/05/1988 | USH404 Disposal of inorganic chemical wastes |
| 12/22/1987 | CA1230616A1 Method and apparatus for rendering polychlorinated byphenyl toxic free |
| 12/16/1987 | EP0249131A2 Process of pyrorecombination of mixtures containing waste material |
| 12/15/1987 | US4713340 Using a flavobacterium species |
| 12/15/1987 | US4713232 Process for the destruction of by-product tetranitromethane |
| 12/08/1987 | US4711185 Pyrolysis in fixed bed reactor with calcium hydroxide and clay spheres |
| 12/02/1987 | EP0247241A1 Inhibiting leaching of metals from catalyst and sorbents and compositions and methods therefor |
| 12/01/1987 | US4710367 Hot water washing, leaching with hydrochloric acid |