Patents for A62D 3 - Processes for making harmful chemical substances harmless, or less harmful, by effecting a chemical change in the substances (9,310)
03/1984
03/28/1984EP0103819A1 Process for treating chlorination residues
03/27/1984US4438706 Procedure and equipment for destroying waste by plasma technique
03/06/1984US4435379 Reaction with metal oxides
03/01/1984WO1984000694A1 Process for neutralizing irritating substances and poisonous gas
02/1984
02/22/1984EP0101083A1 Process for neutralising irritants and toxic gases and for preparations suitable for carrying out the process
02/21/1984US4432344 Method and apparatus for solar destruction of toxic and hazardous materials
02/08/1984EP0099951A1 Process for dehalogenation of organic halides
02/07/1984US4430208 Method for the solvent extraction of polychlorinated biphenyls
12/1983
12/20/1983US4421649 Method and apparatus for enriching compounds of low water solubility from aqueous suspensions of substantially inorganic solid substances
12/20/1983CA1159010A1 Method for disposal of chemical waste
11/1983
11/30/1983EP0095049A2 Treatment of obnoxious chemical wastes
11/30/1983EP0095045A1 Decontaminating liquid
11/29/1983US4417977 Removal of PCBS and other halogenated organic compounds from organic fluids
11/22/1983US4416767 Method and apparatus for the removal of excess sodium reagent and byproducts of reaction produced during the destruction and removal of polychlorinated biphenyls from oil
11/08/1983US4414246 Method for protecting environment from volatile liquid chloride as exposed to the atmosphere
11/08/1983CA1156449A1 Method of destruction of polychlorinated biphenyls
11/01/1983US4413118 Process for removal of homogeneous catalyst group VIII metals from process streams
10/1983
10/18/1983US4410422 Method for removing polyhalogenated hydrocarbons from nonpolar organic solvent solutions
10/18/1983US4410402 Degradation of halogenated carbon compounds
08/1983
08/30/1983US4400936 Method of PCB disposal and apparatus therefor
08/23/1983US4400566 Catalyst mixture of a nickel compound and a triarylphosphine
08/23/1983US4400552 Reaction product of alkali metal hydroxide, a polyglycol or monoalkyl ether thereof and oxygen
08/02/1983CA1151191A1 Chemical detoxification of toxic chlorinated aromatic compounds
07/1983
07/19/1983CA1150309A1 Reagent and method for decomposing halogenated organic compounds
06/1983
06/07/1983USRE31267 Making a paste with fuller*s earth
05/1983
05/24/1983US4385077 Coatings for reduction of hemolytic activity
05/17/1983US4383868 Treatment of spillages of hazardous chemicals
05/10/1983US4382865 Treatment of reducible halohydrocarbon containing aqueous stream
04/1983
04/19/1983US4380501 Gas scavenger agents for containers of solid chloroisocyanurates
04/12/1983US4379752 Method for destruction of polyhalogenated biphenyls
04/12/1983US4379746 Method of destruction of polychlorinated biphenyls
04/06/1983EP0075885A1 Microorganisms for the microbiol degradation of obnoxious organic wastes into innocuous materials
03/1983
03/22/1983US4377471 Method for removing polychlorinated biphenyls from transformer oil
03/08/1983CA1142551A1 Process for treating a chlorinated biphenyl compound
02/1983
02/22/1983US4374491 Apparatus for treating and disposing of bio-hazardous waste and solid waste
12/1982
12/07/1982CA1136830A1 Conversion of extraction residues originating from phosphoric acid decontamination to solid deposition products
12/01/1982EP0065865A1 Method for disposal of chemical waste
10/1982
10/19/1982US4354942 Stabilization of mercury in mercury-containing materials
10/12/1982US4353793 Method for removing polyhalogenated hydrocarbons from nonpolar organic solvent solutions
10/05/1982CA1132772A1 Laminated, highly sorbent, active carbon fabric
09/1982
09/28/1982US4351978 Method for the disposal of polychlorinated biphenyls
09/28/1982US4351718 Method for removing polyhalogenated hydrocarbons from nonpolar organic solvent solutions
09/16/1982WO1982003025A1 Improved method for decomposition of halogenated organic compounds
09/15/1982EP0060089A1 Improved method for decomposition of halogenated organic compounds
09/08/1982EP0059616A1 Removal of metal catalysts from process streams
08/1982
08/31/1982CA1130537A1 Preparation of both magnesium sulphate and chloride from spent acids neutralization
08/24/1982US4345983 Adsorption of chlorinated hydrocarbons microwave treatment followed by oxidation
07/1982
07/20/1982US4340471 System and apparatus for the continuous destruction and removal of polychlorinated biphenyls from fluids
07/07/1982EP0055476A1 Degradation of halogenated carbon compounds
06/1982
06/29/1982US4337368 Reagent and method for decomposing halogenated organic compounds
06/24/1982WO1982002001A1 Waste disposal
05/1982
05/25/1982US4331468 Process for inhibiting formation of nitrosamines
04/1982
04/27/1982US4327027 Chemical detoxification of toxic chlorinated aromatic compounds
04/20/1982US4326090 Naphthylsodium
03/1982
03/24/1982EP0011631B1 Dehalogenation of halogenated compounds
02/1982
02/09/1982US4314966 Method of control of acid drainage from exposed pyritic materials
02/03/1982EP0044991A1 Process and device for the pyrolytic destruction of organic substances that contain halogens and/or phosphor
12/1981
12/15/1981CA1114533A1 Process for neutralising spent nitric-fluorhydric acids
12/01/1981US4303477 Process for the pyrolysis of waste materials
11/1981
11/17/1981CA1112426A1 Disposal of pcb
09/1981
09/01/1981US4287038 By irradiating the compounds to decompose the 2,3,7,8-tetrachlorodibenzo-p-dioxin contaminant
08/1981
08/18/1981US4284516 Process for the removal of low level (ppm) halogenated contaminants
07/1981
07/21/1981US4279876 Conversion of extraction residues originating from phosphoric acid decontamination to solid deposition products
07/14/1981CA1104971A1 Dehalogenation of halogenated compounds
05/1981
05/19/1981US4268414 Method for removing and treating waste catalyst
05/19/1981US4268408 Solid cyanuric chloride handling improvements with tricalcium phosphate
01/1981
01/20/1981US4246255 Disposal of PCB
01/14/1981EP0022214A1 Process and installation for pyrolysis of waste material
01/07/1981EP0021294A1 Chemical detoxification of toxic chlorinated aromatic compounds
01/06/1981CA1092844A1 3-pyridyl-oxy-alkanecarboxylic acid amides
11/1980
11/25/1980US4235585 Sodium or potassium nitrate, ammonium nitrate and carbonate, carbon, magnesium carbonate and/or calcium hydroxide
11/04/1980US4231822 Slurrying in water the organic explosive and a reducing agent such as acetaldehyde, citric acid or glucose
10/1980
10/29/1980EP0017741A1 Process for converting residues from the purification of phosphoric acid by extraction into solid waste products suitable for deposition
10/28/1980US4230053 Method of disposing of toxic substances
10/16/1980WO1980002116A1 Disposal of pcb
08/1980
08/26/1980US4219419 Treatment of reducible hydrocarbon containing aqueous stream
08/12/1980US4217386 Spun-bonded, non-woven, polypropylene fabric
07/1980
07/01/1980US4210460 Spill control composition and use thereof
07/01/1980CA1080618A1 Method of detoxicating phosphide containing pesticides
06/1980
06/25/1980EP0012162A1 A method for the treatment of reducible hydrocarbon-containing aqueous streams
06/24/1980US4209335 Method and composition, including particular additive for hydraulic cement, for fixing waste matter
06/11/1980EP0011631A1 Dehalogenation of halogenated compounds.
05/1980
05/06/1980CA1077176A1 Process for neutralizing waste sulfuric acids
04/1980
04/22/1980CA1075881A1 Catalytic oxidation of c2-c4 halogenated hydrocarbons
02/1980
02/19/1980US4189329 Halogen-containing plastic refuse treatment
02/19/1980CA1071846A1 Catalytic oxidation of vinyl chloride
01/1980
01/01/1980US4181489 Process for the treatment of byproducts obtained in the preparation of phthalic anhydride
12/1979
12/25/1979US4180557 Method for detoxifying phosphide containing pesticides
10/1979
10/18/1979WO1979000835A1 Dehalogenation of halogenated compounds
07/1979
07/31/1979US4162948 Method of dehalogenating halogenated hydrocarbon to yield elemental halogen
07/03/1979CA1057728A1 Spill control composition and use thereof
05/1979
05/15/1979US4154607 Process for disposal of sodium sludge
05/01/1979CA1053811A1 Sludge treating process
03/1979
03/13/1979US4144152 Dehalogenation of halogenated compounds
01/1978
01/10/1978US4067725 3-Pyridyl-oxy-alkanecarboxylic acid amides
12/1977
12/27/1977US4065543 Catalytic oxidation of C2 -C4 halogenated hydrocarbons
11/1977
11/22/1977US4059677 Catalytic oxidation of C2 -C4 halogenated hydrocarbons
10/1977
10/11/1977US4053557 Method of decomposing chlorohydrocarbons
10/11/1977US4053401 Sludge treating process
08/1977
08/30/1977US4045538 Catalytic oxidation of vinyl chloride
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