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Class Information
Number: 423/144
Name: Chemistry of inorganic compounds > Treating mixture to obtain metal containing compound > Iron group metal (fe, co, or ni) > Forming insoluble substance in liquid > Utilizing or forming nitrogenous compound > Carbonating, hydroxylating, or hydrating
Description: 2-

Patents under this class:
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Patent Number Title Of Patent Date Issued
8647600 Methods for preparing and regenerating materials containing amorphous iron oxide hydroxide and desulfurizer comprising the same Feb. 11, 2014
8241594 Processes for extracting aluminum and iron from aluminous ores Aug. 14, 2012
8038979 Metal oxide nano powder and manufacturing method of the same Oct. 18, 2011
8034158 Method of manufacturing Fe and Ni containing material, ferronickel mass using the Fe and Ni containing material and method for manufacturing the ferronickel mass Oct. 11, 2011
7998452 Spherical tricobalt tetraoxide and method of preparing the same Aug. 16, 2011
7914756 Double replacement cation neutralization of high alkalinity waste materials Mar. 29, 2011
7910085 Process for production of iron oxyhydroxide particles Mar. 22, 2011
7871584 Consecutive or simultaneous leaching of nickel and cobalt containing ores Jan. 18, 2011
7470647 Nickel oxide nanoparticles as catalyst precursor for hydrogen production Dec. 30, 2008
6835228 Process of recovering valuable metals from waste secondary batteries Dec. 28, 2004
6800260 Processes for treating iron-containing waste streams Oct. 5, 2004
6767529 Process for producing magnetite particles Jul. 27, 2004
6576205 Method for reducing the crystallinity of nickel hydroxide powders Jun. 10, 2003
6514311 Clean process of recovering metals from waste lithium ion batteries Feb. 4, 2003
6337132 Layered rock salt-type oxide particle powder and process for producing the same Jan. 8, 2002
6261526 Nickel recovery process and compositions for use therein Jul. 17, 2001
5976218 Process for the recovery of nickel Nov. 2, 1999
5861131 Process for producing nickel hydroxide Jan. 19, 1999
5855858 Process for the recovery of nickel and/or cobalt from an ore or concentrate Jan. 5, 1999
5487779 Corrosion inhibiting pigment composition and method Jan. 30, 1996
5443619 Process for extracting metals from solution Aug. 22, 1995
5431892 Process for recovering valuable metal from waste catalyst Jul. 11, 1995
5266297 Liquid oxidizing method and apparatus Nov. 30, 1993
5211933 Method for preparation of LiCoO.sub.2 intercalation compound for use in secondary lithium batteries May. 18, 1993
5202294 Low pressure drop regeneration of a catalyst Apr. 13, 1993
5130107 Minimizing cobalt catalyst loss in the production of alcohols by hydroformylation of olefins Jul. 14, 1992
5102633 Method for reducing impurities in hexammine cobalt halide compounds Apr. 7, 1992
5017536 Catalyst regeneration including method of introducing oxygen into fluidized bed May. 21, 1991
4943418 Method of preparing high-purity manganese compounds Jul. 24, 1990
4868144 Process to reduce NO.sub.x emissions from a fluid catalytic cracking unit Sep. 19, 1989
4793979 Process for chemical separation of phosphorus ore Dec. 27, 1988
4778590 Decalcification of hydrocarbonaceous feedstocks using amino-carboxylic acids and salts thereof Oct. 18, 1988
4764284 Process for removing of heavy metal from water in particular from waste water Aug. 16, 1988
4657752 Process for preparing ferrous carbonate Apr. 14, 1987
4631140 Ferrimagnetic particles and their preparation Dec. 23, 1986
4588572 Process for preparing aqueous cobalt (II) carbonate slurries, and slurries so produced May. 13, 1986
4563213 Extraction and stripping cobalt values Jan. 7, 1986
4419246 Removal of heavy metal ions Dec. 6, 1983
4401630 Process for cobalt recovery from mixed sulfides Aug. 30, 1983
4394357 Separation of cobalt and nickel by oxidative precipitation with peroxymonosulfuric acid Jul. 19, 1983
4329169 Method for producing cobalt metal powder May. 11, 1982
4329320 Method and treatment of a gaseous mixture of ammonia, carbon dioxide and water vapor May. 11, 1982
4209489 Apparatus for treating spent hydrochloric acid Jun. 24, 1980
4176160 Process for purifying a zinc sulfate solution Nov. 27, 1979
4150092 Process for recovering vanadium values from acidic chloride solutions Apr. 17, 1979
4146572 Simultaneous extraction of metal values other than copper from manganese nodules Mar. 27, 1979
4126663 Process for recovering vanadium values from acidic sulfate solution Nov. 21, 1978
4123499 Recovering metal values from marine manganese nodules Oct. 31, 1978
4105743 Selectively extracting copper, zinc, nickel from a mixture of metal hydroxides Aug. 8, 1978
4093698 Process for the simultaneous extraction of metal values from manganese nodules Jun. 6, 1978

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