Patents for C01D 3 - Halides of sodium, potassium, or alkali metals in general (3,310) |
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06/11/2003 | CN1111081C Nanofiltration of concentrated aqueous salt |
06/04/2003 | CN1422275A Removal of chloride from phosphonomethyliminodiacetic acid process |
05/28/2003 | CN2552905Y Working machine for salt field |
05/28/2003 | CN1420819A Beads of polycrystalline alkali-metal or alkali-earth metal fluoride, their preparation and their use |
05/22/2003 | WO2003042143A1 Process and plant for the heterogeneous synthesis of chemical compounds |
05/21/2003 | CN1418816A Method for prodn. of potassium nitrate by using sea water and ammonium nitrate as raw materials |
05/21/2003 | CN1109007C Method for minimizing hydrogen halide corrosion in a partial oxidation process |
05/20/2003 | US6564587 Method of producing an optical fiber by gathering material from a molten bath |
05/14/2003 | EP1310475A1 Process and plant for the heterogeneous synthesis of chemical compounds |
05/01/2003 | WO2003035550A1 Recovery of sodium chloride and other salts from brine |
05/01/2003 | US20030080066 Treating brine with the calcium chloride to produce granular calcium sulphate through seeding; separating calcium sulphate; evaporating desulphated brine to crystallize salt; washing with water; evaporating bittern to crystallize carnallite |
04/22/2003 | CA2279884C Method and apparatus for desalinating sea water, natural salt and fresh water |
04/16/2003 | EP1302441A2 An improved method for making lithium borohydride |
04/16/2003 | EP1144311B1 Method for reducing the bromide content in an aqueous bromide-containing solution using hydrogen peroxide |
04/15/2003 | US6547948 Storage as crystals under liquid |
04/10/2003 | US20030068265 Method of making lithium borohydride |
04/09/2003 | EP1299313A1 Process for the debromination of an aqueous salt solution using ozone |
03/27/2003 | WO2003024568A2 Air purifying procedure and saline material of spongy structure |
03/27/2003 | WO2003024244A1 Alkaline health food and method for production thereof |
03/20/2003 | WO2003023084A1 Fluoride sputtering target and method for preparation thereof |
03/13/2003 | US20030049197 Co-retarding agents for preparing purified brine |
03/12/2003 | CN1402749A Method and apparatus for production of polycarbonates with brine recycling |
03/12/2003 | CN1102911C Method for enriching raw salt |
02/21/2003 | WO2003035551A1 Co-retarding agents for preparing purified brine |
02/20/2003 | WO2003014028A1 Method for selective separation of iodine ion, and method for producing alkali salt of iodine ion |
02/13/2003 | WO2003011347A1 Stabilized bromine solutions, method of making and uses thereof for biofouling control |
02/13/2003 | CA2455446A1 Stabilized bromine solutions, method of making and uses thereof for biofouling control |
02/12/2003 | EP1113990B1 Method for producing sodium chloride crystals respecting environment |
02/05/2003 | EP1280734A2 Salt comprising more than 95 wt. % of sodium chloride, use and preparation method thereof and method for measuring salt water content |
02/05/2003 | CN1395470A Method for manufacturing pure salt |
01/30/2003 | US20030023127 Waste processing method, waste processing system, integrated waste processing method, and integrated waste processing system |
01/23/2003 | WO2003006377A1 Process to make high-purity wet salt, wet salt so obtainable, and the use thereof in an electrolysis process |
01/23/2003 | CA2453180A1 Process to make high-purity wet salt, wet salt so obtainable, and the use thereof in an electrolysis process |
01/22/2003 | CN1099253C Salt solution for producing soy sauce and process for producing soy sauce |
01/16/2003 | US20030012726 Method for manufacturing pure salt |
01/16/2003 | US20030009857 Such as sodium chloride for use in brines via evaporative crystallization; crystal growth inhibitors; electrolytic cells |
01/08/2003 | EP1273554A2 Method for preparation of lithium aluminium hydride from sodium aluminium hydride |
01/08/2003 | EP1272498A1 Removal of chloride from phosphonomethyliminodiacetic acid process |
01/02/2003 | US20030003045 Method for preparation of lithium aluminum hydride from sodium aluminum hydride |
01/02/2003 | US20030000897 Dissolving salt source in water in the presence of a retarding agent which comprises low and a high molecular weight compound, to reduce the level of sulfate ions and alkaline (earth) metal dissolved in brine to produce pure brine |
01/02/2003 | US20030000456 Beads of a polycrystalline alkali-metal or alkaline-earth metal fluoride, their preparation, and their use for preparing optical single crystals |
01/01/2003 | CN1097557C Process for producing high-quality potassium-containing products by salt-field method |
12/31/2002 | US6500216 Method and apparatus for desalinating sea water, natural salt and fresh water |
12/27/2002 | WO2002102713A1 Retarding agents for preparing purified brine |
12/10/2002 | US6491964 Iron ammonium hydroxypolycarboxylic acid complex as anticaking additive; salt licks, water softener salt products; prevents caking at lower pressures (during transport and storage), but allows shaping at high pressures; iron ammonium citrate |
11/27/2002 | CN1382106A Method for reducing metal ion concentration in brine solution |
11/27/2002 | CN1381400A Process for recovering alkali-contained salt mud of hydrazine hydrate by carbonizing and drying |
11/20/2002 | CN1094466C Method of extracting potassium chloride from mixed ore of sylvine and carnallite |
11/12/2002 | US6478828 Process for the crystallization of an inorganic substance |
11/07/2002 | WO2001025001A9 Beads of polycrystalline alkali-metal or alkaline-earth metal fluoride, their preparation and their use |
10/29/2002 | CA2086793C Sodium salicylate as a conditioning agent in the electrostatic processing of carnallite-containing crude potash salts |
10/29/2002 | CA2086790C A method for electrostatically processing crude salts at high levels of ambient humidity |
10/29/2002 | CA2086788C Process for increasing the yield during the flotation of potash salts |
10/22/2002 | US6468495 Treatment of molten salt reprocessing wastes |
10/15/2002 | US6465707 Method of treatment of halogenous, organic waste material |
10/10/2002 | WO2002079089A1 Methods of making cesium salts and other alkali metal salts |
10/03/2002 | US20020143209 Reacting cesium sulfate containing solution with lime to form solution comprising cesium hydroxide and residue comprising calcium sulfate; removing residue from solution; converting the cesium hydroxide in solution to cesium salt |
10/02/2002 | EP1129032B1 Method for reducing metal ion concentration in brine solution |
10/01/2002 | US6458333 Process for recycling alkali metal fluorides and/or difluorides |
10/01/2002 | US6458297 Method for producing pressure die-cast or injection moulded articles using salt cores |
09/25/2002 | EP1242502A1 Method and apparatus for the production of polycarbonates with brine recycling |
09/24/2002 | US6455022 Purification of aqueous alkali metal chloride solutions by removal of ammonium/iodine values therefrom |
09/17/2002 | US6451106 Beads of polycrystalline alkali-metal or alkaline-earth metal fluoride, their preparation, and their use for preparing optical single crystals |
09/06/2002 | WO2001004052A9 Method of preparing brine and alkali halides, obtained from a method of preparing brine |
09/04/2002 | EP1236706A1 Potassium chloride for fertilizer and process for producing the same |
09/04/2002 | EP1235747A2 Method for reducing metal ion concentration in brine solution |
08/22/2002 | WO2002065526A1 Methods of preparing organometallic compounds and novel organometallic dimers |
08/20/2002 | US6436154 Use of dodecylbenzene sulfonic acid or salt as a scale inhibitor |
08/14/2002 | CN1363511A Process for preparing fluorine compound and SiO2 from sodium fluosilicate |
08/06/2002 | US6428677 Oxidizing bromide in brine solution containing bromide, filtering solution through adsorption medium to produce substantially bromine-free solution, passing solution through electrolyzer to produce bromate-free hypochlorite |
07/31/2002 | EP1226028A1 Beads of polycrystalline alkali-metal or alkaline-earth metal fluoride, their preparation and their use |
07/30/2002 | US6426008 Method for reducing metal ion concentration in brine solution |
07/24/2002 | EP1117463B1 A method of treatment of halogenous, organic waste material |
07/17/2002 | CN1358668A Process for finely preparing salt water by tank type counter-flushing liquid filter made of balked polytetrafluorethylene film |
06/25/2002 | US6409980 Process and apparatus for treating foundry sludge to recover magnesium |
06/20/2002 | WO2001014252A3 Method for reducing metal ion concentration in brine solution |
06/19/2002 | EP1070017B1 Process for removal of quaternary ammonium salt |
06/19/2002 | CN1354125A Production method of sodium bromide, sodium bromate, potassium bromide and potassium bromate by using bromide and alkali |
06/12/2002 | EP1212259A1 Flowable alkaline fluorides and alkaline earths fluorides |
06/05/2002 | CN1351908A Method for recovering hydrazine hydrate continuous distillation salt mud |
06/04/2002 | CA2259899C Method for minimizing hydrogen halide corrosion in a partial oxidation process |
05/29/2002 | CN1351573A Non-caking sodium chloride crystals, a process to make them, and their use in an electrolysis process |
05/22/2002 | CN1085074C Metal fluoride particles and dental composition including said metal fluoride particles |
05/10/2002 | WO2002036709A1 Pressure control fluid for high pressure oil and gas well applications |
05/10/2002 | WO2002000551A3 A process and apparatus for brine purification |
05/09/2002 | US20020054841 Purification method for an alkali metal chloride and method for producing an alkali metal hydroxide |
05/08/2002 | EP1202931A1 Method of preparing brine and alkali halides, obtained from a method of preparing brine |
05/01/2002 | CN1083801C Process for preparing salt from seawater |
04/18/2002 | WO2001079114A3 Salt comprising more than 95 wt. % of sodium chloride, use and preparation method thereof and method for measuring salt water content |
04/17/2002 | CN1345385A Stabilized bromine solutions, method of manufacture and uses thereof for biofouling control |
03/27/2002 | CN1341557A Joint production process of salt and salt-cake |
03/26/2002 | CA2044518C Process for the fine purification of an aqueous alkali chloride solution for use in membrane electrolysis |
03/20/2002 | EP1188717A1 Purification method for an alkali metal chloride and method for producing an alkali metal hydroxide |
03/14/2002 | DE10042190A1 Verfahren zur Reinigung von Kristallen A process for the purification of crystals |
03/07/2002 | US20020028053 Optical fiber and method of producing |
03/06/2002 | EP1184339A2 Optical fibre and manufacturing processes for an optical fibre |
03/06/2002 | EP1184064A1 Purification of crystal particles by ultrasonic waves |
02/27/2002 | EP1181248A1 Non-caking sodium chloride crystals, a process to make them, and their use in an electrolysis process |
02/27/2002 | EP1181247A1 Pressed products of non-caking salt |
02/27/2002 | EP1181246A1 Method for activating mineral fluoride in an organic medium |