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Class Information
Number: 423/35
Name: Chemistry of inorganic compounds > Treating mixture to obtain metal containing compound > Group ib metal (cu, ag, or au) > Leaching, washing, or dissolving > Forming insoluble substance in liquid > Forming oxide or carbonate
Description: Processes in which an oxide or carbonate is formed.

Patents under this class:

Patent Number Title Of Patent Date Issued
8460575 Formulation for generating nitrogen gas Jun. 11, 2013
8038979 Metal oxide nano powder and manufacturing method of the same Oct. 18, 2011
7897052 Method for removing arsenite and arsenate from water Mar. 1, 2011
7776306 Low energy method of preparing basic copper carbonates Aug. 17, 2010
7351343 Copper metal recovery system Apr. 1, 2008
7297315 Method of recovering a cleaning agent Nov. 20, 2007
7122167 Precious metal recovery from organics-precious metal compositions with supercritical water reactant Oct. 17, 2006
6998069 Electrode material for positive electrodes of rechargeable lithium batteries Feb. 14, 2006
6860933 Process for depositing layers of zirconium oxide using soluble powders Mar. 1, 2005
6716403 Method of recovering a cleaning agent Apr. 6, 2004
6656390 Preparation of energy storage materials Dec. 2, 2003
5702575 Method of preparing an electrochemical planar metal/metal oxide electrode Dec. 30, 1997
5409686 Process for producing yellow copper (I) oxide with narrow particle size range Apr. 25, 1995
5152973 Synthesis of submicron powders under reduced oxygen pressure Oct. 6, 1992
5089452 Method for preparing catalyst precursor for methanol synthesis Feb. 18, 1992
5008017 Method for recovering metals from waste liquors Apr. 16, 1991
4891067 Processes for the treatment of smelter flue dust Jan. 2, 1990
4764284 Process for removing of heavy metal from water in particular from waste water Aug. 16, 1988
4659555 Process for the preparation of basic copper carbonate Apr. 21, 1987
4655829 Metal recovery process Apr. 7, 1987
4652381 Battery plant waste water treatment process Mar. 24, 1987
4614640 Process of producing copper (II) hydroxide Sep. 30, 1986
4585477 Method for separating and recovering nickel and copper from complex materials Apr. 29, 1986
4404169 Process for producing cupric hydroxide Sep. 13, 1983
4369164 Recovery of copper from arsenical drosses by ammonium arsenate leach Jan. 18, 1983
4297134 Method of recovering gold Oct. 27, 1981
4267069 Regeneration of activated carbon to increase its gold adsorption capacity May. 12, 1981
4176160 Process for purifying a zinc sulfate solution Nov. 27, 1979
4150091 Manganese ore leaching process Apr. 17, 1979
4123499 Recovering metal values from marine manganese nodules Oct. 31, 1978
4123500 Recovery of precious metals by oxidation in the aqueous phase of associated carbonaceous support material Oct. 31, 1978
4118221 Copper recovery from sulfate solutions containing nickel and cobalt Oct. 3, 1978
4065300 Method for extraction of copper products from copper bearing material Dec. 27, 1977
4065542 Two stage leaching of limonitic ore and sea nodules Dec. 27, 1977
4018866 Metal carbonate recycle to reduction circuit in the cuprion process Apr. 19, 1977
4007037 Composition and method for chemically etching copper elements Feb. 8, 1977
3996046 Extraction and purification of silver from sulfates Dec. 7, 1976
3990891 Halidation of nonferrous metal values in manganese oxide ores Nov. 9, 1976
3986866 Method of recovery of metal compounds and metals from nitrate solutions Oct. 19, 1976
3981962 Decomposition leach of sulfide ores with chlorine and oxygen Sep. 21, 1976
3979265 Recovery of metals from sulfur bearing ores Sep. 7, 1976
3971652 Ammoniacal extraction of copper from metallic materials Jul. 27, 1976
3970737 Metal, particularly gold, recovery from adsorbed cyanide complexes Jul. 20, 1976
3967958 Method of winning copper, nickel, and other metals Jul. 6, 1976
3961908 Autoclave system for leaching sulfide concentrates Jun. 8, 1976
3962402 Oxidation-leaching of chalcopyrite Jun. 8, 1976
3953306 Metal recovery from waste treatment sludges Apr. 27, 1976
3953502 Cyclopentane derivatives Apr. 27, 1976

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