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