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