| Patents for C01G 37 - Compounds of chromium (1,613) |
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| 04/20/2011 | CN101481144B Clean production method for preparing potassium chromate from chromic iron |
| 04/19/2011 | CA2460728C Lithium cell based on lithiated transition metal titanates |
| 04/13/2011 | CN102010005A Method for preparing chromic oxide |
| 04/06/2011 | CN102001708A Clean method for preparing sodium chromate from chromite by liquid-phase oxidation |
| 04/06/2011 | CN102001707A Method for recycling chromic acid in electroplating waste water |
| 04/06/2011 | CN101318701B Method for removing foreign matter of vanadium in preparation of sodium chromate neutral liquid by chromium salt with calcarea lime |
| 03/31/2011 | WO2010111375A3 High energy density cathode materials for lithium ion batteries |
| 03/31/2011 | WO2010069458A8 Hexahalochromate (iii) complexes |
| 03/30/2011 | CN101993158A Method for treating stainless steel cold rolling pickling waste water |
| 03/30/2011 | CN101993112A Clean method for preparing low-sulfur chromium oxide green |
| 03/23/2011 | EP2297039A1 Method for the production of mixed oxides containing copper and chromium |
| 03/23/2011 | CN101508466B High-efficiency, energy-conservation and clean method for producing chromate |
| 03/10/2011 | US20110058997 process for chlorinating resources containing recoverable metals |
| 03/02/2011 | CN101982418A Preparation method of perovskite LnCrO3 and LnAlO3 nanomaterials |
| 02/16/2011 | CN101974688A Method for separating chromium ions and iron ions in multicomponent solution |
| 02/16/2011 | CN101525189B Method for treating wastewater containing ammonia, vanadium, chrome and sodium sulfate |
| 02/09/2011 | EP1550633B1 Method for preparing nano-particles |
| 02/09/2011 | CN101214928B Method for synthesizing high specific surface area ordered mesoporous metal oxide by using hard template agent |
| 02/01/2011 | CA2438767C Liquid phase reactor |
| 01/26/2011 | CN101481802B Method for preparing sodium dichromate dehydrate by ionic membrane electrolysis method |
| 01/19/2011 | EP2274239A1 A process for chlorinating resources containing recoverable metals |
| 01/12/2011 | CN201701756U Device for separating valence chromium by temperature rise |
| 01/12/2011 | CN1798703B Porous material and method for producing the same |
| 01/06/2011 | US20110002831 Sol-gel process with an encapsulated catalyst |
| 01/05/2011 | CN201694909U Chrome-bearing waste water recovery device for leather tanning |
| 12/29/2010 | CN101407366B Method for rapidly recycling chrome from chroming waste liquor by alkali precipitation |
| 12/23/2010 | US20100320156 Oxidative Treatment Method |
| 12/22/2010 | CN101198716B Chromium oxide powder for spattering target and sputtering target |
| 12/21/2010 | US7854908 Method and apparatus for the recovery of molybdenum from spent catalysts |
| 12/08/2010 | CN101767825B Method for preparing chromium hemitrioxide by red-soil nickel ore |
| 12/08/2010 | CN101723460B Process for preparing chromium oxide from laterite-nickel ores |
| 12/07/2010 | US7846404 Process for separating and recovering base metals from used hydroprocessing catalyst |
| 12/01/2010 | EP2254838A2 Magnetic nanoparticles and method for the production thereof |
| 12/01/2010 | CN101898794A Method for removing impurities from chromium trioxide product |
| 11/24/2010 | CN101891251A Chromium- and aluminum-containing mud alkaline-method recycling process |
| 11/23/2010 | US7837960 waste recycling; recovering vanadium, molybdenum and nickel from a used catalyst by leaching with ammonia containing leach solution from a catalyst containing molybdenum, nickel, vanadium; ammonium sulfate by-product as for fertilizer |
| 11/11/2010 | US20100285371 Novel Separator And Electrochemical Device Comprising The Same |
| 11/04/2010 | US20100278686 Process for recovering metals and metal compounds from mined ore and other metal-bearing raw source materials |
| 11/02/2010 | US7824633 System and method for conversion of molybdenite to one or more molybdenum oxides |
| 10/21/2010 | US20100266485 Process for producing nanoparticles |
| 10/20/2010 | CN101863512A Acid method recycling process of chromium-containing aluminum mud |
| 10/13/2010 | CN101066827B Electroplating sludge treating and utilizing process |
| 10/07/2010 | US20100254875 Monodisperse nanoparticles and method of making |
| 09/29/2010 | CN101844810A Method for producing sodium chromate from potassium chromate |
| 09/23/2010 | DE112006003489B4 Neuer Metall(III)-Chrom-Phosphat-Komplex und Verwendung desselben New metal thereof (III) chromium-phosphate complex and use |
| 09/22/2010 | CN101838065A Method for recycling hexavalent chromium in electrolytic manganese production tail end wastewater |
| 09/15/2010 | CN101830496A Method of preparing transition metal oxide nano-particles |
| 09/14/2010 | US7794677 Reduction of copper content in the molybdenite concentrate |
| 09/08/2010 | CN101824530A Process for roasting chromite resources in ring kiln through pure oxygen by using low-temperature method and harmlessly and deeply utilizing chromium residue |
| 09/08/2010 | CN101823802A Leather tanning wastewater chromium recovery unit |
| 09/08/2010 | CN101066779B Process of preparing sodium chromate product without calcium |
| 09/01/2010 | CN101817561A Method for pollution-free production of sodium chromate by pressure leaching of chromite |
| 09/01/2010 | CN101817560A Methods for removing calcium and magnesium alkaline-earth metal ions contained in chromate solution by adopting ion exchange resin |
| 09/01/2010 | CN101817510A Method for preparing hydrotalcite |
| 09/01/2010 | CN101172658B Method for producing strontium chromate nano-stick with room temperature solid phase chemical reaction |
| 08/18/2010 | CN101805830A Method for preparing superfine alumina-chromic oxide or alumina and chromic oxide by using aluminium-chromium mud |
| 08/18/2010 | CN101804967A Low temperature controllable preparation method of double metal oxide semiconductor nanocrystalline sol |
| 08/10/2010 | US7771111 Liquid phase reactor |
| 08/04/2010 | CN101795973A Chromium hydroxide, method for producing the same, trivalent chromium-containing solution using the same, and chromium plating method |
| 07/29/2010 | WO2010084337A1 Mixed valency metal sulfide sorbents for heavy metals |
| 07/28/2010 | CN101786665A Method for preparing alkaline earth metal chromate powder material |
| 07/28/2010 | CN101264929B Method for synthesizing mesoporous nano material by employing solid-state reaction structure guiding technique |
| 07/14/2010 | CN101456589B Chromium-containing material strong oxidizing roast technique |
| 07/07/2010 | CN101767825A Method for preparing chromium hemitrioxide by red-soil nickel ore |
| 06/24/2010 | WO2010069458A1 Hexahalochromate (lll) complexes |
| 06/23/2010 | CN101746828A Method and process for recovering chromium from chromium residue by chlorination segregation method |
| 06/17/2010 | US20100152503 Copper-Substituted Chromium Oxide Compositions, Their Preparation, and Their Use as Catalysts and Catalyst Precursors |
| 06/09/2010 | CN101723461A Neutralization aluminum removing method for sodium chromate alkali solution |
| 06/09/2010 | CN101723460A Process for preparing chromium oxide from laterite-nickel ores |
| 06/09/2010 | CN101723459A Method for manufacturing ceramic pigment chrome green from waste materials of chromium salt factory |
| 06/02/2010 | CN101717119A Method for producing sodium chromate by roasting chromium ore and small amount of soda |
| 06/02/2010 | CN101717118A Method for preparing CuCrS2 nano powder |
| 05/19/2010 | CN101709369A Method for jointly producing chromium salt and ferrochromium alloy by sintering with wet and fire methods |
| 05/13/2010 | US20100116679 Chromium hydroxide, process of preparing the same, trivalent chromium-containing liquid prepared using the same, and chromium plating method using the same |
| 05/12/2010 | CN101704551A Process for preparing granular high-purity chromic anhydride |
| 05/12/2010 | CN101704550A Preparation technology of chromic anhydride |
| 05/12/2010 | CN101704549A Preparation process of high-purity chromic anhydride |
| 04/22/2010 | US20100095867 Aqueous solution of chromium salt and method for producing same |
| 04/14/2010 | CN101693556A Process for preparing sodium dichromate |
| 04/14/2010 | CN101693555A Method for removing impurities from sodium chromate alkali liquor |
| 04/14/2010 | CN101289227B Process for recovering chromium from waste liquid of vitamin K3 production |
| 03/31/2010 | CN101684002A Method for preparing nanometer chromium dioxide |
| 03/24/2010 | CN100595161C Preparation method for nanometer chrome oxide particle |
| 03/24/2010 | CN100595131C Method for preparing oxide material having biological fine structure by using ultrasound |
| 03/17/2010 | CN101671498A Method for preparing lemon chrome yellow pigment |
| 03/16/2010 | US7678175 Metalothermic reduction of refractory metal oxides |
| 03/11/2010 | WO2010026916A1 Chromium(iii)-containing aqueous solution and process for production of same |
| 03/11/2010 | WO2010026915A1 Chromium(iii) carbonate and process for production of same |
| 03/11/2010 | WO2010026886A1 Process for production of chromium hydroxide |
| 03/11/2010 | WO2010026884A1 Method for producing aqueous solution containing chromium (iii) source |
| 03/04/2010 | US20100055016 Method of manufacturing oxide-based nano-structured material |
| 03/03/2010 | CN101659444A Clean production method for preparing sodium chromate from chromite |
| 02/24/2010 | CN101654282A High temperature high pressure preparation method of ferromagnetic chromium dioxide |
| 02/18/2010 | US20100040531 Non-lead resistor composition |
| 02/11/2010 | US20100032935 Authenticity mark in the form of a luminescent substance |
| 02/10/2010 | CN101643243A Method for recycling copper, nickel, chromium, zinc and iron from plating sludge |
| 02/09/2010 | US7658895 Contacting spent dispersed catalyst with leaching solution containing ammonia and air to dissolve metal, heating, pressurizing, then separating solid residue containing metal complex and coke from pressure leach slurry, mixing with mineral acid additive, then precipitating |
| 02/09/2010 | US7658894 Method for increasing the chrome to iron ratio of chromites products |
| 01/28/2010 | WO2009012544A3 Process to produce molybdenum compounds, from spent molybdenum catalyzers, industrial residues and metal alloys |
| 01/20/2010 | CN100582017C Chromic acid sedimentation liquid and application thereof |