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