Patents for C01G 37 - Compounds of chromium (1,613) |
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08/22/2012 | EP2488452A1 Re-dispersible metal oxide nanoparticles and method of making them |
08/22/2012 | CN102643205A Separation and recovery method of chelate ethylene diamine tetraacetic acid-chromium (EDTA-Cr) (III) |
08/22/2012 | CN102642870A Method for continuously neutralizing and decontaminating sodium chromate alkali solution |
08/22/2012 | CN102642869A Clean environment-friendly production technique of chromic oxide |
08/14/2012 | US8242047 Oxide catalyst and phosphoric oxide catalyst for hydrocarbon steam cracking, method for preparing the same and method for preparing olefin by using the same |
08/09/2012 | WO2012105086A1 Method for producing sodium chromite |
08/09/2012 | US20120199787 Aqueous solution of chromium salt and method for producing same |
08/08/2012 | CN102627329A Method for improving chromium conversion rate of chromium salt rotary kiln by using calcium-free fillers |
08/08/2012 | CN102627328A Method for improving conversion rate in the production of chromium by non-calcium roasting |
08/08/2012 | CN102627327A Method for producing chromium oxide green by using plaster |
08/08/2012 | CN102627326A Method for producing hydrated chromium oxide green |
08/08/2012 | CN101804967B Low temperature controllable preparation method of double metal oxide semiconductor nanocrystalline sol |
08/07/2012 | US8236277 Process for producing nanoparticles |
08/01/2012 | CN102616853A Double-additive once-firing two-stage leaching non-calcium roasting process method for sodium chromate |
07/25/2012 | CN202347032U Chrome tanning agent production unit |
07/25/2012 | CN202346786U Device for safely producing chromate |
07/25/2012 | CN202346785U Device for producing chromate through continuous liquid-phase oxidation reaction |
07/25/2012 | CN202346784U Separation device of chromates |
07/25/2012 | CN102603004A Method for removing vanadium in chromic salt production by utilizing lime |
07/25/2012 | CN102603003A Size-controllable monodisperse chromic oxide multihole microsphere constructed by similarly cubic nano units and preparation method of microsphere |
07/25/2012 | CN102030370B Clean preparation method of high loose density chromic oxide |
07/25/2012 | CN101795973B Chromium hydroxide, method for producing the same, trivalent chromium-containing solution using the same, and chromium plating method |
07/25/2012 | CN101659444B Clean production method for preparing sodium chromate from chromite |
07/18/2012 | CN102583541A Sodium chromate alkali solution impurity removal method and preparation method of chromic oxide |
07/18/2012 | CN102583540A Method for preparing chrome oxide black and co-producing ferrous oxalate by utilizing chrome-containing cast iron acid dissolution |
07/17/2012 | US8221710 Recovering metals from complex metal sulfides |
07/11/2012 | CN102557137A Method for producing sodium chromate and co-producing chrome-containing cast iron by three-stage process through un-calcium roasting |
07/11/2012 | CN102557136A Method for improving color of chromium oxide green |
07/11/2012 | CN102557135A Nanometer chromium vanadate as well as preparation method and application thereof |
07/11/2012 | CN101723461B Neutralization aluminum removing method for sodium chromate alkali solution |
07/10/2012 | US8217215 Process and plant for converting hazardous waste containing chromium VI into non-hazardous waste |
07/10/2012 | US8216533 Method for producing ammonium paratungstate hydrates and ammonium paratungstate decahydrate |
07/04/2012 | CN102531056A Method for cleaner production of sodium vanadate and sodium chromate by pressure leaching of vanadium slag |
06/28/2012 | WO2012085129A1 Method for producing alkali metal ammonium chromate double salts |
06/27/2012 | EP2468683A1 Method for producing alkali metal-ammonium chromate double salts |
06/27/2012 | EP1539347B1 Cobalt substituted chromium oxide compositions, their preparation and their use as catalysts and catalyst precursors |
06/27/2012 | CN102515274A Method for extracting hexavalent chromium compound from polymer material |
06/27/2012 | CN102515174A Process for recycling treatment of chromium slag and waste water |
06/27/2012 | CN101838065B Method for recycling hexavalent chromium in electrolytic manganese production tail end wastewater |
06/14/2012 | WO2012076564A1 Process for preparing chromium(iii) oxide |
06/13/2012 | CN102494926A Method for extracting soluble hexavalent chromium compounds from polymer materials |
06/06/2012 | CN101717119B Method for producing sodium chromate by roasting chromium ore and small amount of soda |
06/05/2012 | US8192705 Methods of treatment of chromite ore processing residue |
05/30/2012 | CN102168295B Composite material coating having selective absorption function |
05/30/2012 | CN102153141B Method for reducing trace element lead in sodium dichromate and chromic anhydride products |
05/30/2012 | CN101817561B Method for pollution-free production of sodium chromate by pressure leaching of chromite |
05/29/2012 | US8187360 Process for the instantaneous control of precipitation of nickel and cobalt present in the leach liquor, by adjusting the pH of the solution |
05/22/2012 | US8182786 Nano-sized particles, processes of making, compositions and uses thereof |
05/10/2012 | WO2012058801A1 A hydrothermal oxidation method for production of alkali metal dichromate from carbon ferrochrome |
05/08/2012 | CA2493029C Perovskite-based fuel cell electrode and membrane |
05/03/2012 | US20120107200 Process and plant for converting hazardous waste containing chromium vi into non-hazardous waste |
05/03/2012 | US20120103912 Mixed valency metal sulfide sorbents for heavy metals |
05/02/2012 | CN102432068A Process for producing sodium chromate |
05/02/2012 | CN102432067A Process for preparing basic chromium sulfate by using waste chromium material |
05/02/2012 | CN102432040A Method for treating fly ash of chromic salt rotary kiln |
05/01/2012 | US8168846 Process and plant for converting hazardous waste containing chromium VI into non-hazardous waste |
04/25/2012 | CN102424423A 提高铬酸酐品质的方法 Improve the quality of chromic anhydride method |
04/25/2012 | CN102424422A 铬酸钠碱性液中和除铝的方法 Sodium chromate method and addition of alkaline solution of aluminum |
04/25/2012 | CN102424421A 脱钒床及铬酸钠溶液脱钒的方法 Off the bed and sodium chromate solution vanadium vanadium removal method |
04/24/2012 | US8163430 Synthesis of metal compounds under carbothermal conditions |
04/11/2012 | CN102408131A Method for improving industrial sodium dichromate finished product content |
04/11/2012 | CN102408130A 水合氧化铬绿的制备方法 Preparation of hydrated chromium oxide green |
04/11/2012 | CN101693555B 一种铬酸钠碱性液的除杂方法 A method of removing impurities alkaline solution of sodium chromate |
04/05/2012 | WO2012013454A8 Process for reducing magnetic and/or oxidic impurities in lithium-metal-oxygen compounds |
03/07/2012 | CN101723459B Method for manufacturing ceramic pigment chrome green from waste materials of chromium salt factory |
02/22/2012 | CN1853830B 一种高纯钽粉末以及含有该粉末的丸粒和电容器 A high-purity tantalum powder and pellets and capacitors containing the powder |
02/22/2012 | CN102020315B 一种生产低铁碱式碳酸铬钠的方法 A process for producing low iron, sodium carbonate, chromium basic method |
02/15/2012 | CN102351247A Method of producing eriochrome black with sodium bisulfate, byproduct of chromic trioxide |
02/09/2012 | WO2012017756A1 Chromium-based coating treated article |
02/02/2012 | WO2012013454A1 Process for reducing magnetic and/or oxidic impurities in lithium-metal-oxygen compounds |
02/02/2012 | CA2802944A1 Method of reducing magnetic and/or oxidic contaminants in lithium metal oxygen compounds |
01/26/2012 | US20120021210 Article and method for manufacturing same |
01/25/2012 | CN102328956A Method for preparing deep chrome yellow pigment by recovering Cr<6+> from chromium slag |
01/25/2012 | CN102328955A Method for preparing orange chrome yellow pigment by recycling Cr<6+> from chromium residues |
01/18/2012 | CN202116333U Sodium chromate filtering extraction tank |
01/18/2012 | CN102320685A Processing method of sodium bisulfate waste liquid in chromic anhydride preparation process |
01/18/2012 | CN102320661A Three-phase catalytic oxidation preparation technology of soluble chromate |
01/18/2012 | CN102320660A High temperature and high pressure preparation method for chromium dioxide and titanium dioxide composite oxide |
01/12/2012 | DE102010011694A1 Hexagonaler Mischkristall aus einem Al-Cr-ON Stoffsystem Hexagonal mixed crystal of an Al-Cr-ON material system |
01/11/2012 | EP2405512A1 Anode material for electrochemical cells and a method for producing same |
01/05/2012 | WO2012000168A1 Method for producing anhydrous compound by dehydrating at low temperature using ionic liquid |
12/28/2011 | CN102295340A 一种处理含Cr6+废水的方法 A method of wastewater containing Cr6 + |
12/28/2011 | CN101891251B 一种含铬铝泥碱法回收利用工艺 Chrome aluminum containing alkaline sludge recycling process |
12/28/2011 | CN101863512B 一种含铬铝泥酸法回收利用工艺 Chrome aluminum sludge containing acid method recycling process |
12/27/2011 | US8083842 Aqueous solution of chromium salt and method for producing same |
12/22/2011 | US20110311805 Cutting tool |
12/21/2011 | CN202080907U 红矾钠二次蒸发器 Sodium dichromate secondary evaporator |
12/21/2011 | CN202080906U 一种应用于红矾钠蒸发工艺的四效蒸发器 Applied to sodium dichromate evaporation process of four-effect evaporator |
12/21/2011 | CN102292137A 混合价态金属硫化物重金属吸着剂 Mixed valence metal sulfides heavy metal sorbent |
12/21/2011 | CN102285688A 铬渣焙烧氧化综合解毒清洁工艺 Comprehensive roasting oxidative detoxification of chromium slag cleaning process |
12/21/2011 | CN101805830B 一种用铝铬泥制备超细氧化铝-氧化铬或氧化铝和氧化铬的方法 Chromium oxide or aluminum oxide and chromium oxide method - a preparation of ultrafine alumina, aluminum, chromium sludge |
12/14/2011 | CN202072490U 制片机滚筒冷却装置 Producer Roller cooling device |
12/14/2011 | CN102275992A 铬铁矿两段焙烧法 Chromite two Roasting |
12/14/2011 | CN102275991A 两段法制备铬绿 Preparation of two chrome green |
12/14/2011 | CN102275990A 制备铬酸酐的两段法 The two-stage method for preparing chromic anhydride |
12/14/2011 | CN102274684A 含铬尾气处理工艺 Chromium exhaust treatment process |
11/30/2011 | CN102259926A 制备氢氧化铬、氯化铵及钙、镁碳酸盐和氢氧化铝的方法 Preparing chromium hydroxide, ammonium chloride and calcium, magnesium carbonate and aluminum hydroxide Methods |
11/30/2011 | CN102259925A 用铬渣制备氢氧化铬、氯化钴及钙镁铝氢氧化物的方法 Production of hydrogen using Chromium chromium cobalt chloride and calcium hydroxide, magnesium aluminate method |
11/30/2011 | CN102259924A 用混合氢氧化物制备氢氧化钙、氢氧化镁和氢氧化铝的方法 Hydroxide was prepared by mixing calcium hydroxide, magnesium hydroxide and aluminum hydroxide Methods |
11/30/2011 | CN102259923A 用铬渣制备氢氧化铬联产氯化钙、氯化镁、氯化铝的方法 Chromium chromium hydroxide was prepared by co-generation calcium chloride, magnesium chloride, aluminum chloride method |