| Patents for C01D 3 - Halides of sodium, potassium, or alkali metals in general (3,310) |
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| 12/15/1987 | US4713231 Adding potassium hydroxide, heating, concentrating, adding solvent, distilling |
| 12/02/1987 | EP0247748A1 Dechlorination of aqueous alkali metal chloride solution |
| 12/01/1987 | US4710306 Adding a soluble aluminum salt ot a brine; neutralization and filtration |
| 11/25/1987 | CN87103876A Improvements in industrial salt production |
| 11/03/1987 | US4704189 Method of evaporating liquid from a solution |
| 10/15/1987 | DE3712142A1 Verfahren zum reinigen von solen Consoles method for purifying |
| 09/22/1987 | US4694882 Method for making thixotropic materials |
| 09/22/1987 | US4694881 Method for making thixotropic materials |
| 09/09/1987 | EP0236066A2 Purification of alkali metal chloride solution |
| 08/12/1987 | EP0231441A2 Process and apparatus for the electrostatic separation of salt mixtures |
| 08/12/1987 | CN86108737A Process for preparation of aqueous solution of sodium chloride and process for the production of sodium bicarbonate |
| 08/05/1987 | EP0230686A1 Process for preparing an aqueous solution of sodium chloride, and process for producing sodium bicarbonate |
| 07/28/1987 | US4683041 Process for electrolysis of sodium chloride |
| 07/28/1987 | US4683040 Process for electrolysis of sodium chloride |
| 07/08/1987 | EP0227893A2 Method of removing metal contaminants from solutions |
| 07/01/1987 | EP0227325A1 Process for preparing a coated-particle salt substitute composition |
| 06/24/1987 | CN86101430A Method of drawing out cyanogen ion from engine ashes containing potassium |
| 06/02/1987 | US4670232 Recovery of amines from by-product chloride salts |
| 05/05/1987 | CA1221499A1 Alkylaminophosphonic chelating resins, their preparation and use in purifying brines |
| 04/28/1987 | US4661634 Filtration through porous polymer particles in fiber form |
| 04/14/1987 | CA1220421A1 Process for the preparation of solid pharmaceutical products |
| 03/26/1987 | DE3603167C1 Apparatus for conditioning and triboelectric charging of finely divided salt mixtures |
| 03/26/1987 | DE3603166C1 Process for the electrostatic separation of salt mixtures |
| 03/26/1987 | DE3603165C1 Process for the electrostatic separation of salt mixtures |
| 01/14/1987 | CN86202196U Sodium hypochlorite-generating unit |
| 01/10/1987 | CN85101021A Process for producing high grade sodium chloride |
| 12/30/1986 | US4632843 Spherical single crystals; coating; tablets, capsules, seeding; aspirin, cirtric acid |
| 12/02/1986 | CA1214621A1 Process for removing aluminum and silica from alkali metal halide brine solutions |
| 11/04/1986 | US4620969 Electrolysis of alkali metal chloride solution with subsequent production of alkali metal carbonates and hypochlorites |
| 10/29/1986 | EP0199617A1 Process for the treatment of a carnallitic ore |
| 10/29/1986 | EP0199104A2 The production of potassium sulphate |
| 10/08/1986 | CN85109534A Method for removing lead from bittern by precipitation with lime |
| 09/16/1986 | CA1211318A1 Method for treating potash with anticaking agent |
| 07/02/1986 | CA1206724A Process of producing coarse pure potassium chloride crystals |
| 04/08/1986 | CA1202788A1 Method for making thixotropic materials |
| 03/26/1986 | EP0175524A2 Electrolysis of alkali metal chloride solution |
| 02/11/1986 | US4569723 Evaporating water from brines |
| 02/11/1986 | US4569676 Separation and purification of salts in a non-convective solar pond |
| 02/04/1986 | US4568353 Process of producing coarse, pure potassium chloride crystals |
| 01/16/1986 | WO1986000259A1 Automatic resistance value or slump value regulating method and mixer |
| 01/14/1986 | CA1199181A1 Method for making thixotropic materials |
| 01/10/1986 | CN85100373A Process for producing refined salt and na2so4 with oresalt dissolved halogen |
| 12/31/1985 | US4561934 Precarbonating with flue has, evaporation crystallizing to separate chloride salt from solution |
| 12/17/1985 | US4559384 Storage stability for hydrophilic and sublimative compounds |
| 12/03/1985 | US4556463 Process for removing sulphate from electrolysts brine |
| 11/27/1985 | EP0162490A1 Process for producing salt and salt obtained by this process |
| 11/26/1985 | CA1197068A1 Treatment of brine elutriate |
| 11/12/1985 | CA1196619A1 Process and solvent for extraction of the chromates present in an aqueous solution |
| 10/30/1985 | EP0159433A1 Process for removing available halogen from anolyte brine |
| 10/22/1985 | US4548614 Solvent extraction |
| 10/22/1985 | CA1195648A1 Membrane cell brine feed |
| 10/15/1985 | US4547197 Purification of a salt solution by evaporation and simultaneous cooling and crystallization |
| 10/15/1985 | CA1195092A1 Process for producing high purity sodium chloride from potassium mineral flotation tailings |
| 09/17/1985 | US4541832 Process for producing high purity sodium chloride from potassium mineral flotation tailings |
| 08/20/1985 | US4536418 Applying anticaking agent to particular streams, agitation, passing through fluidized beds |
| 08/06/1985 | US4533465 Low molecular weight copolymers as depressants in sylvinite ore flotation |
| 08/06/1985 | US4533360 Heat treatment of brines, grinding and grading crystallized products |
| 07/30/1985 | CA1191288A1 Salt block product and method of making and using same |
| 07/24/1985 | EP0149186A2 Process for preventing agglomeration of powders |
| 07/10/1985 | EP0147714A2 Process for the removal of sulfate from electrolysis brine |
| 07/09/1985 | US4528168 Brine saturator method of operation |
| 07/02/1985 | US4526855 Reacting lithium nitride, lithium halide, to form pressed body, heating, annealing |
| 07/02/1985 | CA1189680A1 Method for separating particulate calcium hypochlorite and sodium chloride |
| 06/18/1985 | US4523949 Compacting, roastring to votalize chlorides, burn combustibles and produce refractory |
| 06/12/1985 | EP0143962A1 Process for removing aluminum and silica from alkali metal halide brine solutions |
| 06/11/1985 | US4522951 Removal of Mg++ and Ca++ ions from NaCl brine |
| 05/07/1985 | CA1186486A1 Method for separating particulate calcium hypochlorite and sodium chloride |
| 04/23/1985 | CA1185797A1 Process of treatment of carnallitic ores |
| 04/02/1985 | US4508697 Less than stoichiometric amount |
| 03/20/1985 | EP0134314A1 Removal of sulfate ions from brine |
| 03/19/1985 | CA1184046A1 Method for the preparation of potassium fertilizer salts by electrostatic separation |
| 03/12/1985 | US4504092 Treatment of carnallitic ores |
| 01/02/1985 | CA1180317A Catalytic decomposition of hypochlorite using substituted cobalt oxide spinels |
| 12/18/1984 | US4488958 Method of preparing highly purified kiln dried solar salt |
| 12/18/1984 | US4488949 Removal of sulfate ions from brine |
| 11/20/1984 | US4483754 Electrolysis of sodium chloride with the use of ion exchange membranes |
| 09/26/1984 | EP0119480A2 Spherical monocrystals for pharmaceutical use |
| 09/11/1984 | US4470891 Process for removing available halogen from anolyte brine |
| 09/05/1984 | EP0117616A1 Preparation of aluminium fluoride from scrap aluminium cell potlinings |
| 08/08/1984 | EP0114974A2 Process for decomposing sodium hydroxide containing multiple salts |
| 07/10/1984 | US4459188 Brine systems for chlor-alkali membrane cells |
| 07/04/1984 | EP0026201B1 Disposal of pcb |
| 06/13/1984 | EP0110839A1 Method of preparing magnesium sulphate from mixtures of salts |
| 06/13/1984 | EP0110033A2 Processing of sodium chloride brines for chlor-alkali membrane cells |
| 05/29/1984 | US4451381 Composite plug for stake-hole of salt blocks, salt block product, and method of using same |
| 05/22/1984 | US4450057 Acidification to decomplex colloid; chelation using cationic polymer |
| 05/15/1984 | US4448759 Method for separating particulate calcium hypochlorite and sodium chloride |
| 05/15/1984 | US4448682 Production of purified brine |
| 05/15/1984 | CA1167407A1 Process for controlling impurities and pollution from membrane chlor-alkali cells |
| 05/15/1984 | CA1167232A1 Process and appliance for the production of aqueous solutions of sodium chloride from rock salt |
| 05/01/1984 | US4446026 Process and solvent for extraction of the chromates present in an aqueous solution |
| 04/24/1984 | US4444631 Electrochemical purification of chlor-alkali cell liquor |
| 04/24/1984 | CA1165979A1 Process for destruction of hypochlorite |
| 04/10/1984 | US4442227 Substituted cobalt oxide spinels for catalytic decomposition of hypochlorite |
| 02/21/1984 | CA1162492A1 Process for dehalogenation of brine |
| 02/07/1984 | US4430315 Catalytic decomposition of hypochlorite using substituted cobalt oxide spinels |
| 01/31/1984 | US4428919 Method for separating particulate calcium hypochlorite and sodium chloride |
| 12/20/1983 | US4421864 Improved ion exchange particle regeneration method |
| 12/06/1983 | CA1158019A1 Oxidation of organics in aqueous salt solutions |
| 11/29/1983 | US4417961 Membrane cell brine feed |