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Browse by Category: Main > Chemistry
Class Information
Number: 423/23
Name: Chemistry of inorganic compounds > Treating mixture to obtain metal containing compound > Group ib metal (cu, ag, or au)
Description: Processes wherein the compound comprises copper, silver or gold.










Sub-classes under this class:

Class Number Class Name Patents
423/47 Desulfurizing or de-arsenating 51
423/26 Flotation 80
423/42 Forming insoluble substance in liquid 161
423/48 Forming sulfide or matte 42
423/46 Halogenating 62
423/24 Ion exchanging or liquid-liquid extracting 464
423/27 Leaching, washing, or dissolving 377
423/25 Sorbing or magnetic separating 79
423/45 Sulfating 63
423/44 Volatizing copper, silver, or gold 23


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8647647 Silver oxide formulations having improved whiteness characteristics Feb. 11, 2014
8618020 Catalysts, activating agents, support media, and related methodologies useful for making catalyst systems especially when the catalyst is deposited onto the support media using physical vapor Dec. 31, 2013
8518854 Heterogeneous, composite, carbonaceous catalyst system and methods that use catalytically active gold Aug. 27, 2013
8460584 Carboxylic acid stabilized silver nanoparticles and process for producing same Jun. 11, 2013
8415000 Patterned inorganic layers, radiation based patterning compositions and corresponding methods Apr. 9, 2013
8357719 Muscle relaxant using negatively charged gold nanoparticles with choline Jan. 22, 2013
8349190 Method and device for cleaning circulation water Jan. 8, 2013
8314048 Catalysts, activating agents, support media, and related methodologies useful for making catalyst systems especially when the catalyst is deposited onto the support media using physical vapor Nov. 20, 2012
8282857 Modification of copper/iron selectivity in copper solvent extraction systems Oct. 9, 2012
8257670 Monodisperse gold nanoparticles and facile, environmentally favorable process for their manufacture Sep. 4, 2012
8231848 One-pot synthesis of chalcopyrite-based semi-conductor nanoparticles Jul. 31, 2012
8187561 Processes and systems for recovering catalyst promoter from catalyst substrates May. 29, 2012
8178477 Proppants with carbide and/or nitride phases May. 15, 2012
8097227 Method for thiosulfate leaching of precious metal-containing materials Jan. 17, 2012
8088347 Process for recovering copper sulphide from copper bearing ores by froth flotation Jan. 3, 2012
8080223 Method of making a composite from metal oxide and polymer precursors Dec. 20, 2011
8070851 Chloride heap leaching Dec. 6, 2011
8038764 Rhenium recovery from superalloys and associated methods Oct. 18, 2011
8029751 Reduction of lime consumption when treating refractory gold ores or concentrates Oct. 4, 2011
7998367 Metal-carbon nanotube composites for enhanced thermal conductivity for demanding or critical applications Aug. 16, 2011
7993613 More efficient ether modifiers for copper extractant formulations Aug. 9, 2011
7981327 Method for producing metal particle dispersion, conductive ink using metal particle dispersion produced by such method, and conductive coating film Jul. 19, 2011
7976736 Process for preparing silver-containing aqueous formulation useful for electrically conductive or reflective coatings Jul. 12, 2011
7914762 Preparation method of chalcopyrite-type compounds with microwave irradiation Mar. 29, 2011
7884048 Adsorption composition and process for removal of CO from material streams Feb. 8, 2011
7862785 Use of surfactants in the production of metal Jan. 4, 2011
7794677 Reduction of copper content in the molybdenite concentrate Sep. 14, 2010
7790317 Silver vanadium oxide-fluoride material useful as a battery cathode Sep. 7, 2010
7781368 Adsorption composition and method of removing CO from streams Aug. 24, 2010
7744834 Method for manufacturing metal nanoparticles Jun. 29, 2010
7740814 Composite materials and method of its manufacture Jun. 22, 2010
7727931 Catalysts, activating agents, support media, and related methodologies useful for making catalyst systems especially when the catalyst is deposited onto the support media using physical vapor Jun. 1, 2010
7722841 Polymeric chelant and coagulant to treat metal-containing wastewater May. 25, 2010
7651674 Method for manufacturing metal sulfide nanocrystals using thiol compound as sulfur precursor Jan. 26, 2010
7615199 Method for the recovery of valuable metals and arsenic from a solution Nov. 10, 2009
7604756 Preparation of silver particles using thermoplastic polymers Oct. 20, 2009
7601200 Method of separation/purification for high-purity silver chloride, and process for producing high-purity silver by the same Oct. 13, 2009
7585475 Highly-conductive copper extractant formulations Sep. 8, 2009
7566436 Counter current mixing reactor Jul. 28, 2009
7566437 Process for manufacture of silver-based composite powders for electrical contact materials and composite powders so produced Jul. 28, 2009
7537741 Gold and silver recovery from polymetallic sulfides by treatment with halogens May. 26, 2009
7531149 Synthetic control of metal oxide nanocrystal sizes and shapes May. 12, 2009
7455825 Method for manufacturing metal sulfide nanocrystals using thiol compound as sulfur precursor Nov. 25, 2008
7435405 Anti-oxidation method for sulfide minerals in sulfide ore Oct. 14, 2008
7431902 Separation of ammonia from sulfur compounds Oct. 7, 2008
7410930 Recovering catalyst and carrier by exfoliating overcoat layer on the surface of a catalyst layer Aug. 12, 2008
7226573 Fine-grain silver oxide powder Jun. 5, 2007
7201888 Nanosized silver oxide powder Apr. 10, 2007
7175819 Regeneration of cupric etchants and recovery of copper sulfate Feb. 13, 2007
7163667 Production process for oxide magnetic material and oxide magnetic material Jan. 16, 2007

1 2 3 4










 
 
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