Patents for C01G 37 - Compounds of chromium (1,613) |
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04/23/2002 | US6376127 Rechargeable lithium battery containing a complex sulfide active material |
04/23/2002 | CA2359314A1 Method for producing cathode active material and method for manufacturing nonaqueous electrolyte battery |
04/18/2002 | US20020044908 Method for liquid chromate ion and oxy-metal ions removal and stabilization |
04/10/2002 | CN1343625A Process for preparing nm chromium nitride powder by direct nitridation of nano chromium oxide |
04/03/2002 | CN1342613A Process for preparing Cr2O3 from waste dregs of chromium hydroxide |
03/28/2002 | US20020036281 Spin electronic material and fabrication method thereof |
03/27/2002 | EP1190988A2 Bismuth-containing laser markable compositions and methods of making and using same |
03/27/2002 | EP1189841A1 Continuous calcination of mixed metal oxides |
03/19/2002 | US6359183 Treatment of chromium oxide and catalytic manufacture of vinyl fluoride |
03/14/2002 | US20020032119 Adsorbent for nitrogen oxides and its treatment method |
03/07/2002 | WO2001068244A3 Catalytic dehydrogenation processes and chromium catalysts for use therein |
01/29/2002 | CA2031010C Method of making highly sinterable lanthanum chromite powder |
12/20/2001 | WO2001052985A3 Gel catalysts and methods for their use in catalytic dehydrogenation processes |
11/29/2001 | US20010046942 Dehydrogenation catalysts; containing 1) Al, Mg, or Si and 2) Zn, Sn, Rh, or an alkali or alkaline earth metal |
11/08/2001 | WO2001083396A1 Substituted barium titanate and barium strontium titanate ferroelectric compositions |
11/08/2001 | CA2403894A1 Substituted barium titanate and barium strontium titanate ferroelectric compositions |
11/07/2001 | EP0831965B1 Treatment of chromium oxide and catalytic manufacture of vinyl fluoride |
11/07/2001 | EP0815055B1 Yttrium and/or rare earths aluminates having perovskite structure, preparation thereof and use as pigments |
10/16/2001 | US6303091 When a raw material is calcined in hydrogen halide or chlorine gas, metal oxide containing less agglomerated particles and having a narrow particle size distribution and a uniform particle shape is obtained |
10/04/2001 | US20010026880 Layer applied to the substrate incorporates inorganic needle-shaped pigment as a supporting pigment |
09/27/2001 | WO2001070631A1 Porous, doped titanium oxides as selective oxidation and dehydration catalysts |
09/27/2001 | DE10013934A1 Porous mixed oxides, useful for the selective oxidation of hydrocarbons, contain titanium dioxide and an oxide that is uniformly dispersed and domain free |
09/26/2001 | CN1071715C Process for producing pure ammonium metallates |
09/26/2001 | CN1071707C Process for preparing potassium sulfate with chromium containing sodium sulfate |
09/20/2001 | WO2001068244A2 Catalytic dehydrogenation processes and chromium catalysts for use therein |
09/19/2001 | CN1071290C Conversion coatings on silicon carbide and products therefrom |
08/29/2001 | EP0761601B1 Process for preparing precipitate of perovskite composite oxide |
08/29/2001 | CN1310132A Clean production process of ammonium chromate crystal |
08/16/2001 | EP0832040B1 Process for producing pure ammonium metallates |
07/26/2001 | WO2001053204A1 A method for treatment of hexavalent chromium compounds in waste water originating from processing of metals |
07/26/2001 | WO2001053198A1 Preparation of lithium-containing materials |
07/26/2001 | WO2001052985A2 Gel catalysts and methods for their use in catalytic dehydrogenation processes |
07/25/2001 | EP1118384A2 Treatment of chromium oxide; use thereof in catalytic manufacture of vinyl fluoride |
06/20/2001 | CN1067349C Detoxication utilization for barium and chromium slag |
05/15/2001 | US6231963 Magnetic recording media |
03/07/2001 | CN1062885C Coloured pigments based on oxide-nitrides, preparation and use thereof |
03/06/2001 | US6198119 Ferroelectric element and method of producing the same |
02/28/2001 | CN1062528C Clean production method for sodium chlomate |
02/20/2001 | US6190508 Method of oxidizing nitride material enhanced by illumination with UV light at room temperature |
01/09/2001 | US6171563 Supported liquid membrane process for chromium removal and recovery |
11/21/2000 | US6150290 Ceramic material for use in the separation of oxygen from gas mixture |
11/21/2000 | CA2106117C Ceric oxide based composition, its preparation and its utilisation |
11/02/2000 | WO2000064813A1 Continuous calcination of mixed metal oxides |
10/19/2000 | WO2000024676A9 A molecular decomposition process for the synthesis of nanosize ceramic and metallic powders |
09/27/2000 | CN1267639A Chromium sesquioxide producing process |
09/26/2000 | US6123907 Method and apparatus for performing continuous hydrothermal synthesis |
09/20/2000 | CN1056592C Method for producing sodium chromate |
07/25/2000 | US6093234 Process for preparing submicron/nanosize ceramic powders from precursors incorporated within a polymeric foam |
07/19/2000 | EP1020544A2 Reactor for electrolytic reduction of CR+6 |
07/13/2000 | WO2000041256A1 Electroactive material for secondary batteries and methods of preparation |
07/12/2000 | EP0762930B1 Absorbent and process for removing sulfur oxides from a gaseous mixture |
06/28/2000 | CN1257837A Formulation of compound potassium bichromate and its preparing process |
06/27/2000 | US6080232 Spray-pyrolizing predried spinel-forming metal oxides, then separating resulting pigment from the pyrolysis gas |
05/17/2000 | CN1052461C Method for manufacturing alkali chromates from chromium ore |
05/04/2000 | WO2000024676A1 A molecular decomposition process for the synthesis of nanosize ceramic and metallic powders |
04/12/2000 | CN1051252C Waste chrome-base fluorination catalyst treating process |
03/07/2000 | US6034289 Treatment of chromium oxide and catalytic manufacture of vinyl fluoride |
02/02/2000 | EP0818040B1 Magnetic recording media |
02/02/2000 | CN1048960C Method for preparing sodium chromate chamotte |
01/25/2000 | US6017505 Method of producing inorganic aerogels under subcritical conditions |
01/12/2000 | EP0868402B1 Method of producing inorganic aerogels under subcritical conditions |
01/12/2000 | CN1240763A Process for preparing sodium chlomate and sodium bichromate by pure-oxygen alkali fusion method |
11/17/1999 | CN1046489C Prepn. of dichromium trioxide by carbon reduction process and comprehensive recovery |
11/09/1999 | US5981445 Reacting reactive oxides mixture with water in aqueous solution to form metal hydroxide slurry, reacting formed hydroxide slurry with alkaline metal salt and an other metal salt, spray freezing, freeze-drying, calcining |
10/27/1999 | CN1232786A Technological process of preparing potassium sulfate with chromium containing sodium sulfate |
10/26/1999 | US5972301 Minimizing emission of hexavalent chromium from combustion sources |
10/06/1999 | EP0947484A1 Ceramic material for use in the separation of oxygen from gas mixture |
08/25/1999 | CN1226512A Clean production of sodium chlomate |
07/27/1999 | US5928619 Treating exhaust gases from internal combustion engines |
07/21/1999 | CN1044222C Method for comprehensive utilization of sodium sulfate containing chromium |
07/06/1999 | US5919728 Catalyst for the fluorination of halogenated hydrocarbons |
06/22/1999 | US5914293 Absorbent and process for removing sulfur oxides from a gaseous mixture |
06/08/1999 | US5910298 Method of and apparatus for performing continuous hydrothermal synthesis |
06/02/1999 | EP0689478B1 Catalyst for the synthesis of higher alcohols |
05/25/1999 | CA2089950C Sunscreen agents |
04/13/1999 | US5894016 Reacting the mixture of tin, a second metal or metal sulfide with a superstoichiometric quantity of solid phase sulfur with ammonium or tin chloride as an exothermic reaction to form mixed sulfide or tin sulfide in pressureless condition |
04/06/1999 | US5891407 Process for producing pure ammonium metallates |
01/27/1999 | CN1041853C Transparent polycrystalline garnets |
01/13/1999 | EP0666238B1 Metal oxide powder and process for producing the same |
01/13/1999 | CN1041614C Method of producing mixed metal oxide powder and mixed metal oxide powder produced according to said method |
12/23/1998 | CN1202464A Process for producing chromic anhydride |
12/09/1998 | CN1041078C Process for calcium-less granulating roasting chromite |
12/02/1998 | CN1040969C Composite metal oxide powder and process for producing same |
10/28/1998 | EP0873969A1 Process for the preparation of a ceramic powder for powder coating and use of the process for preparing a component of a high temperature fuel cell |
10/21/1998 | CN1040314C Metal oxide powder and process for producing same |
10/20/1998 | US5824278 Metal rare earth metal oxide complexes with hydrofluoric acid with precipitation |
10/08/1998 | DE19719974C1 High temperature fuel cell stack disintegration |
10/07/1998 | EP0868402A1 Method of producing inorganic aerogels under subcritical conditions |
09/22/1998 | US5811071 Refractory oxides |
07/28/1998 | CA1339973C Process for the production of an electrolyte for the production of alkali dichromates and chromic acid |
07/15/1998 | CN1187802A Process for producing pure ammonium metallates |
06/16/1998 | US5766336 Colored pigments based on oxide-nitrides, the preparation and use thereof |
05/20/1998 | EP0842990A2 Spherical colour pigments, process for their preparation and their use |
05/13/1998 | CN1181353A Method for producing sodium chromate |
05/12/1998 | US5750020 Cyclic, fluidized catalytic-cracking of hydrocarbon feedstock including oxides of nitrogen and sulfur, converting nitrogen oxide in regeneration zone by exposing gas stream to a catalyst bed of microcrystalline mixed oxides |
04/21/1998 | US5741748 Catalyst production for use in a process for fluorination of hydrocarbons |
04/08/1998 | EP0666239B1 Composite metal oxide powder and process for producing the same |
04/01/1998 | EP0832040A1 Process for producing pure ammonium metallates |
04/01/1998 | EP0831965A1 Treatment of chromium oxide and catalytic manufacture of vinyl fluoride |
04/01/1998 | CN1177522A Catalyst for fluorination of halogenated hydrocarbon |