Patents for C01G 37 - Compounds of chromium (1,613)
08/2004
08/10/2004US6774076 Wear resistance coatings; inorganic reaction product of chromium, aluminum oxide
07/2004
07/28/2004CN1515354A Nano dichromium dioxide catalyst for preparing ethylene by using carbon dioxide to oxidate ethane and dehydrogenation
07/21/2004EP1438760A1 Lithium cell based on lithiated transition metal titanates
07/20/2004CA2395115C Preparation of lithium-containing materials
07/14/2004CN1157335C Method of preparing chromium oxide using precarbonation wet reducing potassium chromate or sodium chromate
06/2004
06/24/2004US20040119054 Substituted barium titanate and barium strontium titanate ferroelectric compositions
05/2004
05/26/2004CN1151071C Process for preparing nm chromium nitride powder by direct nitridation of nano chromium oxide
05/19/2004CN1150132C Method for co-prond. of alkali metals bichromates and chromium sesquioxide
05/19/2004CN1150131C Method for prodn. of chromium oxides and alkali metals bichromate by using ammonium alkali metals chromates as raw materials
05/13/2004US20040089973 Liquid phase reactor
05/05/2004CN1493525A New cleaning technology of chromic acid anhydride and nitric acid anhydride joint production
05/04/2004US6730281 Methods of making transition metal compounds useful as cathode active materials
04/2004
04/22/2004WO2004033366A1 Method for preparing nano-particle and nano-particle prepared by said preparation method
04/22/2004WO2004018093A3 Cobalt-substituted chromium oxide compositions, their preparation, and their use as catalysts and catalyst precursors
04/07/2004EP1405890A1 Thermochromic material
04/06/2004US6716372 Usable as electrode active materials; for use in batteries
04/01/2004WO2004026968A1 Preparation of chromium oxide pigment with reduced chromium content (vi)
03/2004
03/25/2004WO2004024629A1 Metal chalcogenide composite nano-particles and layers therewith
03/17/2004CN1142102C Process for preparing Cr2O3 from waste dregs of chromium hydroxide
03/16/2004US6706445 Reacting lithium source; a metal source having a metal and a titanium compound, a zirconium compound, or a mixture of titanium and zirconium compound; in the presence of reducing carbon to produce lithium mixed metal compounds
03/11/2004WO2004020338A2 Chromium dioxide (cro2) and composites of chromium dioxide and other oxides of chromium such as cro2/cr2o3 and cro2/cr2o5 and process for manufacturing the same
03/09/2004US6702961 Preparation of lithium-containing materials
03/04/2004WO2004018095A1 Nickel-substituted and mixed nickel-and-cobalt-substituted chromium oxide compositions, their preparation, and their use as catalysts and catalyst precursors
03/04/2004WO2004018093A2 Cobalt-substituted chromium oxide compositions, their preparation, and their use as catalysts and catalyst precursors
02/2004
02/25/2004EP1391424A2 Preparation of lithium-containing materials
02/25/2004EP1390172A1 Metalothermic reduction of refractory metal oxides
02/12/2004WO2004013925A1 Perovskite-based fuel cell electrode and membrane
02/12/2004US20040026324 Mixture containing anionic surfactant; ion exchanging
01/2004
01/20/2004US6680121 Bismuth-containing laser markable compositions and methods of making and using same
01/08/2004US20040005779 Spin electronic material and fabrication method thereof
12/2003
12/17/2003EP1370355A1 Liquid phase reactor
12/03/2003CN1459419A Method of producing dichromium trioxide using chromic acid thermal decomposition continuous method
11/2003
11/25/2003US6652829 Continuous calcination of mixed metal oxides
11/20/2003US20030215715 Methods of making transition metal compounds useful as cathode active materials
11/20/2003US20030215714 Preparation of lithium-containing materials
11/12/2003CN1454850A Grain size adjustable spherical chromium oxide superfine powder preparing method
10/2003
10/30/2003US20030202933 From anhydrous chromium compound in solvnet using scavenger; gelation
10/23/2003WO2003086974A1 Chromia spray powders and a process for making the same
10/09/2003US20030191010 Wear resistance coatings; inorganic reaction product of chromium, aluminum oxide
10/09/2003US20030191009 Chromia spray powders
10/07/2003CA2090940C Process for the preparation of metal hydroxides
09/2003
09/18/2003WO2003077334A1 Positive electrode active material for secondary cell, positive electrode for secondary cell using same, and secondary cell
09/12/2003WO2003075376A1 Anode active material, manufacturing method thereof, and non-aqueous electrolyte secondary battery
08/2003
08/27/2003EP1337467A1 Transition metal oxide compositions
08/26/2003US6610421 Spin electronic material and fabrication method thereof
07/2003
07/29/2003US6599662 Electroactive material for secondary batteries and methods of preparation
07/17/2003US20030134200 Positive electrode active material and nonaqueous electrolyte secondary cell
07/15/2003US6592841 Subjecting a hollandite compound having a hollandite-type crystal structure to a heat treatment in a stream of an oxygen-nitrogen mixture to improve its adsorption of nitrogen monoxide
07/10/2003WO2003056045A1 Chromium removal from leach liquors produced during high pressure acid leaching of lateritic ores
07/02/2003CN1426965A Preparation of nano copper chromite using microemulsion method
06/2003
06/18/2003CN1424980A Preparation of lithium-containing materials
06/18/2003CN1424258A Preparation of chromium anhydride
06/12/2003US20030108723 Mixed oxide inorganic pigments dispersed in a substrate which is irradiated by a laser to provide a contrasting mark
05/2003
05/21/2003CN1418823A Roasting method for producing sodium chromate using chrome iron ore as raw material
05/21/2003CN1418822A Method for co-prodn. of alkali metals bichromates and chromium sesquioxide
05/21/2003CN1418821A Method for prodn. of chromium oxides and alkali metals bichromate by using ammonium alkali metals chromates as raw materials
05/08/2003WO2003037490A1 A solid multicomponent mixed proton and electron conducting membrane
04/2003
04/17/2003US20030073001 Reacting lithium source; a metal source having a metal and a titanium compound, a zirconium compound, or a mixture of titanium and zirconium compound; in the presence of reducing carbon to produce lithium mixed metal compounds
04/16/2003CN1410358A Clean production method of potassium chromate
04/16/2003CN1410357A Method of preparing chromium oxide using wet reducing potassium bichromate or sodium bichromate
04/16/2003CN1410356A Method of preparing chromium oxide using precarbonation wet reducing potassium chromate or sodium chromate
04/10/2003WO2003030283A1 Lithium cell based on lithiated transition metal titanates
03/2003
03/20/2003WO2002092721A8 Thermochromic material
03/19/2003CN1103321C Clean production process of ammonium chromate crystal
03/04/2003US6528033 Novel lithium-mixed metal materials which, upon electrochemical interaction, release lithium ions, and
02/2003
02/19/2003CN1397499A Process for preparing ammonium bichromate
02/13/2003US20030032849 Catalytic dehydrogenation processes and chromium catalysts for use therein
02/05/2003EP1280744A1 Substituted barium titanate and barium strontium titanate ferroelectric compositions
01/2003
01/29/2003CN1393408A Allochroic acid
01/22/2003CN1392102A Process and device for preparing superfine chromium oxide powder
01/07/2003US6503316 Bismuth-containing laser markable compositions and methods of making and using same
01/02/2003US20030003704 Underlayer made of a III-V semiconductor compound is formed on a substrate, and a chromium-antimony (crsb) compound is epitaxially grown by molecular beam epitaxy; ferromagnetic layer
01/02/2003EP1271569A2 Zinc blende type CrSb compound, method for fabricating the same, and multilayered structure
12/2002
12/11/2002EP1263530A2 Catalytic dehydrogenation processes and chromium catalysts for use therein
12/03/2002US6489613 Oxide thin film for bolometer and infrared detector using the oxide thin film
11/2002
11/21/2002WO2002092721A1 Thermochromic material
11/14/2002WO2002090024A1 Metalothermic reduction of refractory metal oxides
11/05/2002US6475950 Catalytic dehydrogenation processes and chromium catalysts for use therein
10/2002
10/30/2002EP1252093A1 Preparation of lithium-containing materials
10/23/2002EP1250288A1 A method for treatment of hexavalent chromium compounds in waste water originating from processing of metals
10/23/2002EP1250191A2 Gel catalysts and methods for their use in catalytic dehydrogenation processes
10/15/2002US6465131 Lithium secondary cell with a stannous electrode material
10/09/2002CN1373094A Process for recovering chrome yellow from chrome containing sewage
10/03/2002WO2002076609A1 Liquid phase reactor
10/02/2002CN1091651C Catalyst for fluorination of halogenated hydrocarbon
09/2002
09/05/2002US20020122984 Method for producing cathode active material and method for manufacturing nonaqueous electrolyte battery
08/2002
08/29/2002US20020119093 Method of producing fine particles of metal oxide
08/08/2002US20020104599 Sol-gel process; forming a solution containing dissolved metal salts, and adding a proton scavenger (such as an epoxide) to the solution for inducing and controlling gelation.
07/2002
07/31/2002EP1227139A1 Method of producing crystalline phosphor powders at low temperature
07/09/2002US6416637 Hexavalent in aqueous solution from electroplating; cathode is three-dimensional and is flexible porous material coated with electrically conductive carbon black powder embedded in a binder; dynamic electrolytic flow through reactor
07/04/2002US20020086214 Usable as electrode active materials; for use in batteries
06/2002
06/26/2002CN1086676C Process for producing chromic anhydride
06/20/2002US20020073895 Crystalline powders of mixed metal oxides are produced by a continuous rotary calcination technique utilizing fugitive flux mineralizers to enhance mutual migration or diffusion of active species
06/19/2002CN1354138A Method for preparing basic chrome sulfate
06/06/2002US20020066338 Metalothermic reduction of refractory metal oxides
05/2002
05/22/2002CN1350339A Method for producing cathode active material and method for manufacturing nonaqueous electrolyte cell
05/21/2002US6391496 Composite oxide active material; better charge-discharge cycles
05/10/2002WO2002036494A1 Transition metal oxide compositions
05/02/2002EP1202362A2 Method for producing cathode active material and method for manufacturing a nonaqueous electrolyte battery
04/2002
04/24/2002CN1083402C Process for preparing precipitate of perovskite composite oxide
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