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Class Information
Number: 423/497
Name: Chemistry of inorganic compounds > Halogen or compound thereof > Binary compound containing metal > Alkaline earth metal (mg, ca, sr, or ba)
Description: Products or processes in which the metal is magnesium, calcium, strontium or barium.


Sub-classes under this class:

Class Number Class Name Patents
423/498 Anhydrous magnesium chloride 53


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7517514 Process for treating residue of organic material Apr. 14, 2009
7465333 Cavitation process for products from precursor halides Dec. 16, 2008
7455713 Cavitation process for titanium products from precursor halides Nov. 25, 2008
7452520 Process for the production of calcium bromide by liquid-liquid extraction Nov. 18, 2008
7371357 Process for removal of pollutants May. 13, 2008
7217402 Apparatus and method for making metal chloride salt product May. 15, 2007
7182873 Method of fluoride-containing wastewater treatment Feb. 27, 2007
7087209 Method for producing a halide brine Aug. 8, 2006
7037480 Calcium chloride purification May. 2, 2006
6849199 Snow and ice-melting granules and method for preparing same Feb. 1, 2005
6827878 Spherical particles of rare earth activated barium fluoride halide phosphor precursor Dec. 7, 2004
6827920 Method for preparing barium fluorohalide-based crystal Dec. 7, 2004
6806039 Photolithographic element blank calcium strontium fluoride UV transmitting mixed fluoride crystal with minimized spatial dispersion Oct. 19, 2004
6777365 Magnesium compound, olefin polymerization catalyst, and method for producing olefin polymer Aug. 17, 2004
6761873 Method for reducing the bromide content in an aqueous bromide-containing solution using hydrogen peroxide Jul. 13, 2004
6723139 Method for recycling fine calcium fluoride powder Apr. 20, 2004
6706211 Process for producing inorganic fine grains, inorganic fine grains, rare earth element-activated barium fluorohalide fluorescent substance, and radiation image conversion panel Mar. 16, 2004
6692710 Method for obtaining magnesium by leaching a laterite material Feb. 17, 2004
6602482 Separation of metal chlorides from their suspensions in chlorosilanes Aug. 5, 2003
6555075 Method of preparing zinc carbonate Apr. 29, 2003
6507020 Halide compound mass spectrometry method and mass spectrometry apparatus Jan. 14, 2003
6492561 Alkaline earth metal alkylene diamides, method for their production, and their use Dec. 10, 2002
6423292 Anhydrous magnesium chloride preparation process Jul. 23, 2002
6409980 Process and apparatus for treating foundry sludge to recover magnesium Jun. 25, 2002
6376738 Process and system for treating material containing noxious components Apr. 23, 2002
6342312 Calcium fluoride crystal, optical article and exposure apparatus for photo-lithography using the same Jan. 29, 2002
6309618 Method for treating exhaust gas containing fluorine-containing interhalogen compound, and treating agent and treating apparatus Oct. 30, 2001
6309621 Process for producing high test hypochlorite and calcium chloride aqueous solution Oct. 30, 2001
6277351 Crucible for growing macrocrystals Aug. 21, 2001
6231822 Recovering chloride and sulfate compounds from spent potliner May. 15, 2001
6217836 Recovering carbon, silica and alumina from spent potliner Apr. 17, 2001
6132490 Bromide salts as weightening agents for molten salts Oct. 17, 2000
6001316 Method for treatment of waste material and recovering MgCl.sub.2 Dec. 14, 1999
6000341 Methods and composition for mineralizing and fluoridating calcified tissues Dec. 14, 1999
5980854 Method for the production of a magnesium chloride solution Nov. 9, 1999
5882361 Method for producing calcium chloride scales Mar. 16, 1999
5866088 Process for preparing anhydrous magnesium halide solution and process for preparing solid titanium catalyst component for olefin polymerization Feb. 2, 1999
5705140 Process for the transformation of halogenated refrigerant gases Jan. 6, 1998
5670129 Method for synthesizing aluminum hydride Sep. 23, 1997
5665220 Electrolytic magnesium production process Sep. 9, 1997
5607655 Olefin polymerization catalyst and precursor therefor Mar. 4, 1997
5599588 Process for preparing metal halides by the sol-gel-method Feb. 4, 1997
5556820 Catalyst component for olefin polymerization and process for producing polyolefins Sep. 17, 1996
5554355 Oxide slurry for industrial process applications Sep. 10, 1996
5520901 Method for the recovery of iodine from an environment May. 28, 1996
5478545 Process for using reactions of gas/solid type in which the solid reactant contains an at least partially hydrated salt Dec. 26, 1995
5468459 Gas stream treatment method for removing per-fluorocarbons Nov. 21, 1995
5455018 Magnesium chloride particulates having unique morphology and olefin polymerization catalysts supported thereon Oct. 3, 1995
5449506 Process for producing potassium carbonate Sep. 12, 1995
5439662 Process for making MgCl.sub.2 MgO with narrow granulometric distribution, catalytic components containing the same, process of using such supports to polymerize olefins, and resultant polyolef Aug. 8, 1995

1 2 3 4


 
 
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