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