Patents for C01G 37 - Compounds of chromium (1,613) |
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09/25/2013 | CN103318934A Preparation method for high-purity aluminate from mud containing chromium and aluminum |
09/19/2013 | DE102010011694B4 Hexagonaler Mischkristall aus einem Al-Cr-ON Stoffsystem Hexagonal mixed crystal of an Al-Cr-ON material system |
09/04/2013 | CN103274923A Method for recycling dehydropregnenolone acetate waste liquor |
09/04/2013 | CN103272362A Method for detoxicating hexavalent chromium in chromium slag by using silicon tetrachloride |
09/04/2013 | CN102432040B Method for treating fly ash of chromic salt rotary kiln |
09/04/2013 | CN102408131B Method for improving industrial sodium dichromate finished product content |
08/29/2013 | US20130220178 Re-Dispersible Metal Oxide Nanoparticles and Method of Making Same |
08/28/2013 | CN203159247U Rotary kiln device for producing sodium dichromate through non-calcium roasting |
08/28/2013 | CN103269981A Method for producing alkali metal-ammonium chromate double salts |
08/28/2013 | CN103265078A Method for preparing color hydrated chromium oxide by using atmospheric pressure reduction process |
08/28/2013 | CN102275991B Method for preparing chrome green by two-stage process |
08/22/2013 | US20130216471 Process for preparing chromium(iii) oxide |
08/21/2013 | CN103253710A Process for producing sodium chromate from chromite through dissolution in acid and oxidization |
08/21/2013 | CN103253709A Method for producing chromium sesquioxide through hot method |
08/14/2013 | CN103249677A Process for preparing chromium(III) oxide |
08/14/2013 | CN103241774A Spray chrome oxide preparation method |
08/08/2013 | DE102009053992B4 Verfahren zur Herstellung kupfer- und chromhaltiger Mischoxide mit großer spezifischer Oberfläche A process for preparing copper- and chromium-containing mixed oxides having a large specific surface |
08/07/2013 | CN103232068A Recycling and reutilization process for treating chromium slag and wastewater |
08/07/2013 | CN102424423B Method for improving quality of chromic anhydride |
08/07/2013 | CN102424422B Method for removing aluminum by neutralizing sodium chromate alkali solution |
07/31/2013 | CN203095640U Chromium salt recovering system used after thermal treatment of saw chain |
07/31/2013 | CN103225131A Al2O3, Cr2O3 composite nanofiber or nanosheet prepared from chromium-bearing aluminium sludge and preparation method thereof |
07/31/2013 | CN103224253A Method for calcium-free calcination production of sodium chromate and chromium-containing cast iron as co-product |
07/10/2013 | CN103193271A Method for producing high-quality sodium bichromate |
07/10/2013 | CN103191751A Pore structured niobate photocatalyst K6MNb15O42 and preparation method thereof |
07/03/2013 | CN103183385A Method for improving quality of chrome acid anhydride |
07/03/2013 | CN103183384A Method for preroasting and intensifying chromite decomposed by sub-molten salt |
06/26/2013 | CN102275992B Two-stage roasting method for chromite |
06/25/2013 | US8471089 Process and plant for converting hazardous waste containing chromium VI into non-hazardous waste |
06/25/2013 | US8470271 Process for chlorinating resources containing recoverable metals |
06/20/2013 | WO2013089483A1 Crystalline iron phosphate doped with metal, method for preparing same, and lithium composite metal phosphor oxide prepared therefrom |
06/20/2013 | CA2854760A1 Crystalline iron phosphate doped with metal, method of preparing the same, and lithium composite metal phosphate prepared therefrom |
06/06/2013 | WO2013078553A1 Method for reducing chromium |
06/06/2013 | CA2857364A1 Method for reducing chromium |
06/05/2013 | EP2598442A1 Process for reducing magnetic and/or oxidic impurities in lithium-metal-oxygen compounds |
06/05/2013 | CN103131865A Method for preparing basic chromium sulfate by using vanadium extraction chromium slag |
06/05/2013 | CN103130280A Method for improving quality of industrial chromic chloride |
05/29/2013 | CN103121717A Method for preparing sodium chromate by mixing chromite and ferrochrome and device for method |
05/29/2013 | CN102080163B Preparation method of chromium nitride system alloy |
05/23/2013 | US20130129604 Method for producing ammonium dichromate |
05/22/2013 | CN102408130B Preparation method of hydrated chromium oxide green |
05/15/2013 | CN202936212U Circulating chromate reactor |
05/08/2013 | CN103086433A Method for preparing sodium dichromate by sodium-based molten salt oxidation continuous carbonization |
05/08/2013 | CN103086432A Rotary kiln device for sodium dichromate production by calcium-free calcination |
05/02/2013 | WO2013006767A4 Microporous coordination complex and method of making the same |
05/02/2013 | US20130108543 Method for producing chromium (iii) oxide |
04/17/2013 | CN202880925U Carbonization reactor for producing sodium dichromate |
04/03/2013 | CN103025662A Process for reducing magnetic and/or oxidic impurities in lithium-metal-oxygen compounds |
03/27/2013 | CN102249443B Method for recycling chromium from chromium passivation wastewater of electrolytic manganese factory |
03/27/2013 | CN102020316B Method for preparing chromic anhydride from potassium chromate |
03/20/2013 | CN102976409A Process for recycling sodium dichromate in chlorate production |
03/14/2013 | WO2013006767A3 Microporous coordination complex and method of making the same |
03/13/2013 | CN102963931A Method for recycling byproduct chromium-containing sodium bicarbonate in process of producing sodium bichromate by using sodium chromium carbide |
03/12/2013 | US8394299 Precursor for the preparation of a lithium composite transition metal oxide |
03/06/2013 | EP2565162A1 Method for producing chromium (III) oxide |
03/06/2013 | CN202766341U Device for treating chromium-containing waste water and recovering chromic acid by ion exchange method |
02/27/2013 | CN102173455B Method for producing chromium-containing product by using chromium-containing waste residue |
02/13/2013 | CN102923778A Method for extracting hexavalent chromium in chromium slag and harmlessly treating residual chromium slag |
02/13/2013 | CN101504143B Technique for using leather products industrial waste as fuel |
02/06/2013 | CN102910678A Method for preparing sodium chromate |
02/06/2013 | CN102910677A Method for extracting chromium salt by oxidizing and roasting chromite with rotary hearth furnace and water method |
02/06/2013 | CN102249330B Method for industrially eliminating toxic ingredients in chromium slag |
01/30/2013 | EP2550239A1 Method for producing chromium(iii) oxide |
01/30/2013 | CN102897838A One-step preparation method of sodium bichromate |
01/30/2013 | CN102897837A Method for separating high-concentration K2Cr2O7 from saturated NaCl solution |
01/23/2013 | CN102887544A Method for heating and detoxifying hexavalent chromium by utilizing electric heating tube and application for method |
01/23/2013 | CN102320685B Processing method of sodium bisulfate waste liquid in chromic anhydride preparation process |
01/02/2013 | CN102849797A Preparation method of V0.6Cr0.4O2 aciculate nanomaterial |
01/02/2013 | CN102849796A Liquid phase leaching method of chromite or chromium-iron calcined molten salt |
01/02/2013 | CN102847372A Filtering method of sodium bichromate carbonizing liquid |
12/19/2012 | CN102826605A Preparation method for chromium oxide nanometer materials |
12/12/2012 | CN102115174B Method for preparing chromium hydroxide and ammonium chloride from detoxicated chromium slag |
12/05/2012 | EP2530054A1 Method for producing alkali-ammonium chromate double salt |
12/05/2012 | CN102811952A Method for producing chromium (III) oxide |
12/04/2012 | US8323612 Lithium manganate for non-aqueous electrolyte secondary battery, process for producing the same, and non-aqueous electrolyte secondary battery |
11/29/2012 | WO2012160113A1 Transparent conducting oxide material and methods of producing same |
11/28/2012 | EP2527300A1 Transparent conducting oxide material and methods of producing same |
11/27/2012 | US8318126 Methods of making metal oxide nanostructures and methods of controlling morphology of same |
11/22/2012 | WO2012155931A1 Method for preparing metal oxide nanoparticles |
11/21/2012 | CN102786091A Application treatment method of chromium-containing waste acid sludge in stainless steel factory |
10/31/2012 | EP2516332A1 Method for producing chromium (iii) oxide |
10/31/2012 | EP2516331A1 Method for producing ammonium dichromate |
10/24/2012 | CN102745746A Method for preparing light chrome yellow pigment by recovering Cr6<+> from chromium residues |
10/10/2012 | CN102725231A Method for producing chromium (III) oxide |
10/10/2012 | CN102718261A Process for preparing sodium chromate by acid dissolution and oxidation of chromite |
10/10/2012 | CN102718260A Production method for coproduction of chromium chloride and chromic carbonate |
10/03/2012 | CN202465314U Heating system for chromate production process |
10/03/2012 | CN102712498A Method for producing ammonium dichromate |
10/03/2012 | CN102701160A Cathode active substance for lithium ion battery, cathode material containing cathode active substance and lithium ion battery |
09/26/2012 | CN102020317B Method for preparing sodium dichromate from potassium chromate by taking barium chromate as intermediate |
09/26/2012 | CN101993112B Clean method for preparing low-sulfur chromium oxide green |
09/26/2012 | CN101830496B Method of preparing transition metal oxide nano-particles |
09/19/2012 | CN102674458A Method for preparing sodium bichromate by continuous carbonization with single kettle |
09/13/2012 | US20120230900 Metal Salt-Containing Composition, Substrate, Manufacturing Method of Substrate |
09/12/2012 | CN102001707B Method for recycling chromic acid in electroplating waste water |
09/06/2012 | US20120225006 Nano-sized particles, processes of making, compositions and uses thereof |
08/29/2012 | CN102649585A Preparation method of sodium bichromate |
08/29/2012 | CN102649584A Preparation method of sodium bichromate |
08/29/2012 | CN101974688B Method for separating chromium ions and iron ions in multicomponent solution |
08/23/2012 | WO2012110952A1 Method for manufacturing refractory grains containing chromium(iii) oxide |