| Patents for C01D 3 - Halides of sodium, potassium, or alkali metals in general (3,310) |
|---|
| 11/15/1983 | US4415460 Purification by heating with a chlorate compound in acid solution |
| 11/08/1983 | CA1156599A1 Process for purifying aqueous solution of alkali metal halide for electrolysis |
| 11/01/1983 | US4412838 Separating solid sodium chloride mass, cooling to crystallize |
| 09/20/1983 | US4405576 Removal of sulfate ions from brine |
| 09/20/1983 | US4405574 Removal of Mg++ and Ca++ ions from NaCl brine |
| 09/20/1983 | CA1153869A1 Production of silane |
| 09/14/1983 | EP0088471A1 Process for preparing coarse pure potassium chloride crystals |
| 09/13/1983 | US4404179 Destruction of hypochlorite |
| 09/07/1983 | EP0087934A1 Alkylaminophosphonic chelating resins, their preparation and use in purifying brines |
| 09/01/1983 | WO1983002947A1 Alkylaminophosphonic chelating resins, their preparation and use in purifying brines |
| 07/12/1983 | US4392979 Complexing, ion exchanging, spinels |
| 07/12/1983 | US4392961 Magnesium aluminate anion exchangers |
| 07/12/1983 | CA1149797A1 Heavy metal adsorbents of high selectivity, process for production of same, and adsorption process |
| 07/12/1983 | CA1149770A1 Electrolysis of aqueous solution of potassium chloride |
| 07/06/1983 | EP0083125A1 Packaged table salt |
| 07/06/1983 | EP0082915A1 Catalytic decomposition of hypochlorite using substituted cobalt oxide spinels |
| 06/09/1983 | WO1983001962A1 Method for making thixotropic materials |
| 06/09/1983 | WO1983001961A1 Method for making thixotropic materials |
| 06/08/1983 | EP0080787A2 Method for making thixotropic materials |
| 06/08/1983 | EP0080786A2 Method for making thixotropic materials |
| 06/07/1983 | US4386936 Production of potassium chloride using pond crystallization |
| 05/31/1983 | US4386020 Galvanic cells |
| 05/31/1983 | US4385920 Granulation of potash salts |
| 05/31/1983 | US4385902 Process for purifying crystalline potassium chloride |
| 05/18/1983 | EP0078956A1 Process for making 5-oxohexane nitrile |
| 05/10/1983 | CA1145917A1 Production of potassium sulfate from langbeinite |
| 04/26/1983 | CA1145115A1 Method of recovering slurry mother liquor in the recovery of salts from aqueous solutions |
| 04/19/1983 | CA1144738A1 Process for purifying potassium chloride particles |
| 04/19/1983 | CA1144737A1 Process for purifying crystalline potassium chloride |
| 04/05/1983 | US4379125 Apparatus for the production of aqueous solutions of sodium chloride from rock salt |
| 03/22/1983 | CA1143135A1 Preparation of substantially anhydrous iodine compounds |
| 03/08/1983 | CA1142324A1 Preparation of useful mgcl.sub.2 solution with subsequent recovery of kc1 from carnallite |
| 03/01/1983 | US4375429 Photodichroic crystals |
| 02/22/1983 | CA1141696A1 Electrolysis of aqueous solution of sodium chloride |
| 02/15/1983 | US4374111 Production of silane |
| 01/25/1983 | CA1140039A1 Process of treating potassium chloride brine by evaporation and crystallization |
| 11/24/1982 | EP0065412A1 Process for conversion of sulphuric acid waste (for example from titanium dioxide) into useful products |
| 11/16/1982 | CA1135617A1 Method for reducing kc1 tailings loss from evaporators |
| 11/02/1982 | US4357218 Cation exchange membrane and use thereof in the electrolysis of sodium chloride |
| 10/13/1982 | EP0062451A2 Membrane cell brine feed |
| 09/21/1982 | US4350826 Process for preparing p-hydroxy phenylglycine |
| 08/17/1982 | CA1130016A1 Desliming of potash ores |
| 08/10/1982 | US4343621 Process for the production of aqueous solutions of sodium chloride from rock salt |
| 08/10/1982 | CA1129176A1 Process of recovering potassium chloride |
| 08/10/1982 | CA1129174A1 Process for recovery of chemicals from saline water |
| 06/29/1982 | CA1126481A1 Recovery of lithium from brine |
| 06/22/1982 | US4336232 Production of purified brine |
| 06/15/1982 | US4334886 From sea water by concentration, precipitation of insoluble components, and evaporation of water |
| 06/15/1982 | US4334885 Production of potassium chloride from langbeinite |
| 06/15/1982 | CA1125475A1 Process for reducing the sodium chloride content of a potassium sulfate |
| 06/02/1982 | EP0052808A1 Production of silane |
| 05/27/1982 | WO1982001701A1 Preparation of substantially anhydrous iodine compounds |
| 05/25/1982 | CA1124416A1 Cyclic operation of a bed of mixed ion exchange resins |
| 05/18/1982 | CA1123575A1 Purification of aqueous solution of potassium chloride |
| 04/27/1982 | US4326961 Magnesium aluminate anion exchangers |
| 04/06/1982 | US4323437 Electrolysis, hypochlorite oxidation |
| 04/06/1982 | US4323436 For oxidation to potassium hydroxide |
| 02/10/1982 | EP0045577A2 Process for destruction of hypochlorite |
| 01/20/1982 | EP0044145A1 Process for the dehalogenation of brine |
| 01/05/1982 | CA1115655A1 Process for electrolysis of sodium chloride |
| 12/15/1981 | US4305827 Heavy metal adsorbents of high selectivity, process for production of same, and adsorption process |
| 12/15/1981 | CA1114132A1 Process for selective removal of sodium sulfate from an aqueous slurry |
| 12/01/1981 | US4303624 Purification of alkali metal chloride brines |
| 12/01/1981 | CA1113376A1 Solution mining potassium chloride from heated subterranean cavities |
| 12/01/1981 | CA1113207A1 Removal of potassium values from pulp mill liquors |
| 11/24/1981 | US4302433 Process for producing anhydrous magnesium chloride and suitable apparatus |
| 11/24/1981 | US4302432 Preparation of hydrogen iodide, lithium iodide and methyl iodide |
| 11/17/1981 | CA1112426A1 Disposal of pcb |
| 11/03/1981 | US4298586 Recovery of hydrofluoric acid from fluosilicic acid |
| 09/22/1981 | US4291001 Using an ion exchange resin, aluminate composite |
| 09/16/1981 | EP0035695A1 Process and apparatus for producing aqueous sodium chloride solutions from rock salt |
| 08/25/1981 | CA1107676A1 Amalgam electrolysis of crude salt containing calcium and sulphate including precipitation of glauberite |
| 08/04/1981 | CA1106154A1 Granulation of potash salts |
| 07/29/1981 | EP0032563A1 A process for increasing the lithium content obtained from lithium solutions using lithium aluminates/resin composites |
| 07/28/1981 | CA1105877A1 Process for producing chlorine dioxide |
| 07/07/1981 | US4277447 Process for reducing calcium ion concentrations in alkaline alkali metal chloride brines |
| 06/30/1981 | US4276154 Process for the electrostatic separation of crude potash salts |
| 06/30/1981 | CA1103912A1 Purification method |
| 06/30/1981 | CA1103894A1 Production of potassium chloride using pond crystallization |
| 06/24/1981 | EP0030756A1 Process and plant for the production of a metal halogenide brine from a metal halogenide mass containing soluble impurities |
| 06/23/1981 | US4274929 Precipitating magnesium silicate |
| 06/09/1981 | US4272338 Purification, electrolysis |
| 05/12/1981 | US4267026 Resulting in the production of steam and chlorine gas, and concentration of nacl in the brine |
| 04/14/1981 | US4261803 Electrolysis of aqueous solution of potassium chloride |
| 03/24/1981 | US4258024 Non-pollutant process for the manufacture of neutral calcium hypochlorite with a high content of active chlorine |
| 03/17/1981 | CA1097478A1 Production of chlorine dioxide |
| 02/17/1981 | CA1095730A1 Nickel matte chloridizing under molten salt cover |
| 02/10/1981 | US4249990 Process for removal of potassium values from pulp mill liquors |
| 02/03/1981 | US4248850 From basic metal compound and bromine, formaldehyde reducing agent |
| 02/03/1981 | US4248838 Preparation of useful MgCl2. solution with subsequent recovery of KCl from carnallite |
| 02/03/1981 | US4248601 Without recrystallization; crushing, leaching |
| 01/20/1981 | US4246255 Disposal of PCB |
| 01/20/1981 | US4246241 Also containing sodium chloride and sodium hydroxide |
| 01/20/1981 | CA1093832A1 Process for the utilization of waste materials from electrolytic aluminum reduction systems |
| 01/06/1981 | US4243555 Composition for recovery of MG++ from brines |
| 12/30/1980 | US4242185 Process and apparatus for controlling impurities and pollution from membrane chlor-alkali cells |
| 12/23/1980 | US4240885 Oxidation of organics in aqueous salt solutions |
| 12/16/1980 | US4239287 Solution mining potassium chloride from heated subterranean cavities |
| 12/09/1980 | CA1090985A1 Process for the production of chlorine dioxide |
| 11/25/1980 | CA1090092A1 Purification of aqueous sodium chloride solution |