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Browse by Category: Main > Chemistry
Class Information
Number: 423/625
Name: Chemistry of inorganic compounds > Oxygen or compound thereof > Metal containing > Group iiia metal or beryllium (al, ga, in, tl, or be) > Aluminum
Description: Products or processes wherein the metal is aluminum.










Sub-classes under this class:

Class Number Class Name Patents
423/628 Forming catalyst, sorbent activated, or narrow pore alumina 287
423/629 Hydroxide 191
423/627 Reacting metallic aluminum with water or water vapor 32
423/626 Utilizing acid 143
423/630 Utilizing carbon or compound thereof as reactant 133
423/631 Utilizing nitrogenous compound as reactant 70


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
8685123 Abrasive particulate material, and method of planarizing a workpiece using the abrasive particulate material Apr. 1, 2014
8685161 Method of forming a sapphire crystal using a melt fixture including thermal shields having a stepped configuration Apr. 1, 2014
8664137 Regenerating method for activated alumina used in regenerating working fluid of hydrogen peroxide Mar. 4, 2014
8664138 Regenerating method for activated alumina used in regenerating working fluid of hydrogen peroxide Mar. 4, 2014
8652658 C-plane sapphire method and apparatus Feb. 18, 2014
8613897 Densified fumed metal oxides and methods for producing the same Dec. 24, 2013
8597600 Processes for extracting aluminum from aluminous ores Dec. 3, 2013
8586808 Selective hydrogenation catalyst, and process for its preparation Nov. 19, 2013
8568671 Method for preparing metallurgical-grade alumina by using fluidized bed fly ash Oct. 29, 2013
8568684 Methods for synthesizing submicron doped silicon particles Oct. 29, 2013
8568898 Method for making high purity metal oxide particles and materials made thereof Oct. 29, 2013
8562940 Process for preparing an alumina with controlled mesoporosity Oct. 22, 2013
8545776 Reducing aluminosilicate scale in the Bayer process Oct. 1, 2013
8546298 Filtration media having a chemical reagent Oct. 1, 2013
8535633 Process for the production of doped metal oxide particles Sep. 17, 2013
8524191 Process for preparing high-purity aluminum oxide by purification of alumina Sep. 3, 2013
8518358 High purity and free flowing metal oxides powder Aug. 27, 2013
8501010 Di- and mono-alkoxysilane functionalized polymers and their application in the Bayer process Aug. 6, 2013
8501150 Metal oxides from metal-organic framework materials Aug. 6, 2013
8465718 Superhydrophobic and self-cleaning powders having micron-scale diameter and nano-scale surface roughness and fabrication method thereof Jun. 18, 2013
8460624 Process and plant for producing metal oxide from metal salts Jun. 11, 2013
8435477 Dispersions of submicron doped silicon particles May. 7, 2013
8420047 Hydrogenation of aluminum using a supercritical fluid medium Apr. 16, 2013
8414854 Boehmitic aluminas and high-temperature stable, high-porosity, pure-phase aluminium oxides obtained therefrom Apr. 9, 2013
8394880 Flame retardant composites Mar. 12, 2013
8389437 Process for preparing catalyst supports having reduced levels of contaminant Mar. 5, 2013
8388929 Alpha alumina for the production of sapphire single crystal and method for producing the same Mar. 5, 2013
8354091 Alumina powder and method for preparing the same as well as use thereof Jan. 15, 2013
8337803 Additives for removal of metals poisonous to catalysts during fluidized catalytic cracking of hydrocarbons Dec. 25, 2012
8318261 Thermally sprayed Al.sub.2O.sub.3 coatings having a high content of corundum without any property-reducing additives, and method for the production thereof Nov. 27, 2012
8318127 Methods for preparing high crystallinity and surface area porous metal oxides Nov. 27, 2012
8318126 Methods of making metal oxide nanostructures and methods of controlling morphology of same Nov. 27, 2012
8313715 Process and plant for producing metal oxide from metal salts Nov. 20, 2012
8298508 Recovery of alumina trihydrate during the bayer process using cross-linked polysaccharides Oct. 30, 2012
8287828 Process for producing lithium-containing composite oxide for positive electrode for lithium secondary battery Oct. 16, 2012
8282834 Di- and mono-alkoxysilane functionalized polymers and their application in the Bayer process Oct. 9, 2012
8273413 Methods of forming metal oxide nanostructures, and nanostructures thereof Sep. 25, 2012
8252266 Recovery of alumina trihydrate during the bayer process using scleroglucan Aug. 28, 2012
8242181 Aluminum oxide dispersion and method of preparing same Aug. 14, 2012
8226924 Method for producing boehmite particles and method for producing alumina particles Jul. 24, 2012
8216675 Methods for producing sintered particles from a slurry of an alumina-containing raw material Jul. 10, 2012
8216546 IM-14 crystallized solid and its process for preparation Jul. 10, 2012
8216543 Methods of making water treatment compositions Jul. 10, 2012
8216534 Water-in-oil-in-water emulsions of hydroxamated polymers and methods for using the same Jul. 10, 2012
8197791 Aluminium oxide powder, dispersion and coating composition Jun. 12, 2012
8173085 Process for producing an oxide May. 8, 2012
8173099 Method of forming a porous aluminous material May. 8, 2012
8163266 Alpha-alumina powder Apr. 24, 2012
8147795 Process for preparing boehmitic aluminas having a high .alpha.-conversion temperature Apr. 3, 2012
8142709 Single-stage thermal process for manufacturing transparent sintered spinel Mar. 27, 2012

1 2 3 4 5 6 7 8 9 10 11 12 13










 
 
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