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Class Information
Number: 423/155
Name: Chemistry of inorganic compounds > Treating mixture to obtain metal containing compound > Alkaline earth metal (mg, ca, sr, or ba)
Description: Processes wherein the compound comprises one of the metals belonging to the group known as the alkaline earth metals, i.e., magnesium, calcium, strontium or barium, or the Group 11A metals of the periodic system except for beryllium and radium.


Sub-classes under this class:

Class Number Class Name Patents
423/158 Forming insoluble substance in liquid 132
423/157 Ion exchanging or liquid-liquid extracting 107
423/156 Magnetic separating 8
423/168 Mixing fuel with starting mixture 16
423/178 Mixture contains halogen or sulfur 52
423/157.2 Phosphate rock or ore 48
423/157.5 Phosphorous or phosphorous compound containing waste as feed 17
423/169 Separating magnesium and calcium from each other (e.g., treating dolomite, etc.) 15
423/167.1 Treating asbestos 36
423/173 Treating impure carbonate (e.g., oyster shells, etc.) 35
423/170 Treating impure sulfate (e.g., barite, etc.) 44


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7615206 Methods of fabricating nanoscale-to-microscale structures Nov. 10, 2009
7604892 Y and Nb-doped SrTiO.sub.3 as a mixed conducting anode for solid oxide fuel cells Oct. 20, 2009
7598194 Oxynitride powder and production method thereof Oct. 6, 2009
7553474 Method for producing metal oxide sol Jun. 30, 2009
7554098 Medical isotope generator systems Jun. 30, 2009
7482298 Superconductor compositions operable at high temperatures Jan. 27, 2009
7468169 Process for producing calcium trisulfoaluminate and apparatus for use in said process Dec. 23, 2008
7455763 Recycling process for demetalization of hydrocarbon oil Nov. 25, 2008
7438756 Method of improving material comprising a pozzolanic component Oct. 21, 2008
7419643 Methods and apparatus for recovering gypsum and magnesium hydroxide products Sep. 2, 2008
7371356 Method for the production of precipitated calcium carbonate with a high degree of brightness May. 13, 2008
7347983 Mg2MM'o 6+x, (M=Y, rare earth metal and M'=SN, OR Zr) dielectric ceramics Mar. 25, 2008
7300539 Treatment of solid containing material derived from effluent Nov. 27, 2007
7288239 Method for producing alkaline earth sulphate nanoparticles Oct. 30, 2007
7288241 Black composite oxide particle and method for production thereof Oct. 30, 2007
7282188 Method and device for producing a metal hydroxide Oct. 16, 2007
7217406 Lithium-manganese composite oxide granular secondary particle, method for production thereof and use thereof May. 15, 2007
7204971 Shaped microcomponents via reactive conversion of biologically-derived microtemplates Apr. 17, 2007
7182929 Nanostructured multi-component and doped oxide powders and method of making same Feb. 27, 2007
7182930 Methods of fabricating barium titanate powders Feb. 27, 2007
7179438 Methods and apparatus for recovering gypsum and magnesium hydroxide Feb. 20, 2007
7179441 Method for preparing barium-titanate based powder Feb. 20, 2007
7163667 Production process for oxide magnetic material and oxide magnetic material Jan. 16, 2007
7147835 Oxide powder for dielectrics, method of manufacturing oxide powder for dielectrics, and multi-layer ceramic capacitor using the same Dec. 12, 2006
7118727 Method of making oxide particles Oct. 10, 2006
7115242 Method for the synthesis of ferrates Oct. 3, 2006
7105138 Macroporous perovskite manganese oxides with highly ordered nano-pores and method of preparing the same Sep. 12, 2006
7101484 Sr-90/Y-90 radionuclide generator for production of high-quality Y-90 solution Sep. 5, 2006
7067104 Shaped microcomponent via reactive conversion of biologically-derived microtemplates Jun. 27, 2006
7060243 Tellurium-containing nanocrystalline materials Jun. 13, 2006
6890503 Silica additive for use in rubbers and similar cross-linked materials May. 10, 2005
6849208 Nickel mixed hydroxide, method for the producing the same, and the use thereof as a cathode material in alkaline batteries Feb. 1, 2005
6776972 Recovery of common salt and marine chemicals from brine Aug. 17, 2004
6682713 Iron sulfides, processes for producing the same, iron sulfide mixture, heavy metal treating agent, and method of treating with the agent Jan. 27, 2004
6673732 Process for catalytic ammonia production--preparation and recovery of ammonia synthesis catalyst Jan. 6, 2004
6656588 Ultrafine powders and their use as lasing media Dec. 2, 2003
6589449 High-melting-point conductive oxide, method of manufacturing the same, and high-temperature electrically conductive material based on the oxide Jul. 8, 2003
6572793 Method of producing ceramic composition and method of producing electronic device Jun. 3, 2003
6569399 Process for the preparation of high-purity magnesium hydroxide and magnesium oxide from magnesium alkoxides May. 27, 2003
6511943 Synthesis of magnesium diboride by magnesium vapor infiltration process (MVIP) Jan. 28, 2003
6500779 Molybdenum based oxidation catalysts Dec. 31, 2002
6478982 Ferrite magnet powder and magnet using the magnet powder, and method for preparing them Nov. 12, 2002
6476287 Sulfite treatment of spent industrial wastes Nov. 5, 2002
6468495 Treatment of molten salt reprocessing wastes Oct. 22, 2002
6461581 Clathrate compounds and manufacturing method thereof Oct. 8, 2002
6425973 Treatment of solid containing material derived from effluent Jul. 30, 2002
6409980 Process and apparatus for treating foundry sludge to recover magnesium Jun. 25, 2002
6409978 Method of removing impurities from mineral concentrates Jun. 25, 2002
6390301 Process for removing impurities from kaolin clays May. 21, 2002
6333012 Process for producing ammonium metavanadate Dec. 25, 2001

1 2 3 4


 
 
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