| Patents for C01G 28 - Compounds of arsenic (688) |
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| 01/03/2008 | US20080003172 Continuous hydrolysis of hexafluoroarsenic acid |
| 01/01/2008 | US7314604 Adding air to an acidic solution containing arsenic(V), copper, ferric iron and ferrous iron in a continuously stirred tankto oxidize the ferrous to ferric ion and heating to precipitate FeAsO4; recycling a portion of FeAsO4; seeding with FeAsO4 to enhance crystalline formation |
| 11/14/2007 | CN101069781A Column-hole type rectification tower |
| 11/01/2007 | US20070253877 Method for treating arsenic containing solution |
| 10/24/2007 | CN101058442A Method of preparing high-purity nano skutterudite thermoelectricity compound powder by non-water coprecipitation |
| 10/24/2007 | CN100344544C Process for preparing skutterudite thermoelectric compound nano powder by alcohol Sol-Gel process |
| 10/10/2007 | EP1497228B1 Solid state synthesis of lithium meta arsenite |
| 10/10/2007 | CN101050030A Method for treating arsenic waste solution of hazardous waste by using composite functional bacteria |
| 09/26/2007 | CN101041498A Method for reclaiming valuable element from acidic arsenic-containing biological oxidation gold extraction waste liquor |
| 09/12/2007 | EP1264083B1 Process for reducing pollutants from the exhaust of a diesel engine |
| 08/14/2007 | US7255962 For producing proton conducting membrane |
| 07/11/2007 | CN1994531A Process for purifying arsenic-containing mineral burned fume |
| 07/10/2007 | US7241399 Generation of preferential nanoparticles; obtain reaction mixture containing chemical intermediates, heat, recover lattice crystal of nanoparticles |
| 06/19/2007 | US7232554 Concentrating acid solution in evaporator series, crystallizing arsenic in solution as arsenic trioxide crystals, filtering crystallized solution to obtain solid phase comprising impure arsenic trioxide crystals, purifying |
| 05/03/2007 | WO2007050562A1 Arsenic-specific stain for identifying arsenic-treated wood |
| 03/14/2007 | CN1304279C Method for producing fluorine-containing lithium compound |
| 01/09/2007 | US7160526 liquefaction with solvent; demetallization; complexing with phosphoric acid, calcium hydroxide |
| 11/23/2006 | US20060261011 Metal oxides with improved resistance to reduction |
| 11/09/2006 | WO2005110916A3 Iii-v semiconductor nanocrystal complexes and methods of making same |
| 10/19/2006 | WO2006110383A2 Process for purifying titanium chloride-containing feedstock |
| 10/12/2006 | US20060228292 Process for purifying titanium chloride-containing feedstock |
| 10/04/2006 | EP1707611A2 Synthesis of nanoparticles |
| 08/02/2006 | CN1267349C Method for separating and recovering sodium arsenate and alkali by fractional crystallization method |
| 07/27/2006 | US20060162317 Diesel engine with an exhaust system including a supported palladium catalyst and a reducible oxide base metal promoter (especially CeO2); all fuel for combustion in the engine is injected into a combustion chamber prior to the start of combustion during at least a portion of an engine cycle. |
| 06/28/2006 | CN1792821A Process for preparing skutterudite thermoelectric compound nano powder by alcohol Sol-Gel process |
| 06/21/2006 | EP1232226B1 Synthesis of nanoparticles |
| 06/07/2006 | CN2786617Y Arsenic hydride generator with capable of adding zinc quantitatively and separately |
| 02/23/2006 | WO2005031758A3 Method for producing carrier-free 72as, device for automatically producing carrier-free 72as, carrier-free 72as(iii) halide, and use thereof |
| 02/23/2006 | US20060037437 Non-pollution process of extracting arsenic in vacuum and the equipment thereof |
| 02/01/2006 | EP1487745B1 Process for the preparation of lithium hexafluoroarsenate |
| 01/18/2006 | CN1721328A Method and apparatus for preparing fumed nano oxide |
| 11/24/2005 | CA2566493A1 Iii-v semiconductor nanocrystal complexes and methods of making same |
| 09/21/2005 | EP1576655A2 Stabilized semiconductor nanocrystals |
| 08/10/2005 | CN1651582A Method of comprehensively utilizing arsenic sulfur element in high arsenic containing pyrite |
| 08/10/2005 | CN1214481C High-energy rechargeable, electrochemical cells and non-aqueous electrolytes |
| 04/07/2005 | WO2005031758A2 Method for producing carrier-free 72as, device for automatically producing carrier-free 72as, carrier-free 72as(iii) halide, and use thereof |
| 03/16/2005 | CN1594090A Method for separating and recovering sodium arsenate and alkali by fractional crystallization method |
| 02/01/2005 | US6849246 Solid state synthesis of lithium meta arsenite |
| 01/19/2005 | EP1497228A1 Solid state synthesis of lithium meta arsenite |
| 12/30/2004 | DE10344101B3 Producing carrier-free arsenic-72, e.g. useful for positron emission tomography, comprises irradiating target to produce selenium-72 and generating arsenic-72 by radioactive decay |
| 12/22/2004 | EP1487745A1 Process for the preparation of lithium hexafluoroarsenate |
| 08/18/2004 | CN1522474A High-energy, rechargeable electrochemical cells |
| 08/18/2004 | CN1162205C Process for removing arsenic or arsenic compound from fluid |
| 03/30/2004 | US6713212 Solid, gel type nonaqueous electrolyte |
| 03/24/2004 | EP1399999A2 High-energy, rechargeable electrochemical cells |
| 01/27/2004 | US6682712 Contacting arsenous trioxide with a lithium source and a fluorine source, all being in solid state and heating to obtain lithium hexafluoro arsenate |
| 01/15/2004 | US20040007536 Process for recovering arsenic from acidic aqueous solution |
| 01/07/2004 | EP1377438A2 Preparation of nanocrystallites |
| 11/11/2003 | US6645451 Method of preparing inorganic pentafluorides |
| 10/21/2003 | US6635231 Preparation of arsenic pentafluoride |
| 10/09/2003 | WO2003082745A1 Solid state synthesis of lithium meta arsenite |
| 10/09/2003 | WO2003082744A1 Process for the preparation of lithium hexafluoroarsenate |
| 10/09/2003 | US20030190279 Process for the preparation of lithium hexafluoroarsenate |
| 10/02/2003 | US20030185745 Grinding a mixture of of Li2CO3, Li2O, LiNO3 or LiOH and As2O3 and heating. |
| 09/10/2003 | EP1341723A2 Process for recovering arsenic from acidic aqueous solution |
| 05/27/2003 | CA2255874C Disposal of arsenic from sulfur dioxide-containing solutions |
| 02/27/2003 | WO2002097941A3 High-energy, rechargeable electrochemical cells |
| 02/13/2003 | US20030032192 Generation of preferential nanoparticles; obtain reaction mixture containing chemical intermediates, heat, recover lattice crystal of nanoparticles |
| 01/15/2003 | CN1391706A High-energy rechargeable, electrochemical cells non-aqueous electrolytes |
| 01/01/2003 | CN1388827A Synthesis of nanoparticles |
| 12/05/2002 | WO2002097941A2 High-energy, rechargeable electrochemical cells |
| 12/05/2002 | CA2449241A1 High-energy, rechargeable electrochemical cells |
| 10/10/2002 | WO2002048046A3 Process for recovering arsenic from acidic aqueous solution |
| 09/12/2002 | US20020127174 Preparation of arsenic pentafluoride |
| 08/21/2002 | EP1232226A1 Synthesis of nanoparticles |
| 07/03/2002 | CN1356267A Process for removing arsenic or arsenic compound from fluid |
| 06/20/2002 | WO2002048046A2 Process for recovering arsenic from acidic aqueous solution |
| 04/03/2002 | CN1082032C Chemical reduction process of preparing indium arsenide and gallium arsenide |
| 03/14/2002 | WO2002020696A1 Synthesis of nanoparticles |
| 03/14/2002 | WO2002020695A1 Doped nanoparticles |
| 02/06/2002 | CN1078816C Process for removing mercury and arsenic from fluid in presence of capture agent of mercury and/or arsenic |
| 12/06/2001 | US20010049060 Solid, gel type nonaqueous electrolyte |
| 11/13/2001 | US6316141 High-energy, rechargeable, electrochemical cells with non-aqueous electrolytes |
| 09/26/2001 | CN1071713C Gallium arsenide, gallium phosphide backing dry treatment mehtod |
| 04/26/2001 | WO2001029919A1 High-energy, rechargeable, electrochemical cells non-aqueous electrolytes |
| 04/26/2001 | CA2387863A1 High-energy, rechargeable, electrochemical cells non-aqueous electrolytes |
| 01/03/2001 | EP0610333B1 Treated apatite particles for medical diagnostic imaging |
| 05/02/2000 | CA2138777C Production of metals from minerals |
| 03/07/2000 | US6033808 Using weak base resins. |
| 01/12/2000 | CN1240762A Process for preparing copper arsenate |
| 01/05/2000 | EP0729436B1 Photoassisted oxidation of species in solution |
| 12/14/1999 | US6001325 Process for removing acids from lithium salt solutions |
| 11/17/1999 | EP0956263A1 Process for removing acids from lithium salt solutions |
| 10/26/1999 | US5972073 Adding alkaline earth salt to high ph waste water to form group alkaline earth-group v oxyanion salt precipitate and water soluble group iii hydroxide, filtering precipitate, then lowering ph to precipitate out group iii hydroxide |
| 09/15/1999 | EP0646185B1 Production of metals from minerals |
| 07/20/1999 | CA2174239C Photoassisted oxidation of species in solution |
| 05/26/1999 | CN1217296A Gallium arsenide, gallium phosphide backing dry treatment method |
| 05/25/1999 | CA2002479C Method for making arsenic acid |
| 04/15/1999 | WO1999018041A1 Recovery of the components of group iii-v material aqueous wastes |
| 04/14/1999 | CN1042920C Method of wet-extraction for white arsenic |
| 04/14/1999 | CN1042919C Method of wet-extraction for arsenic |
| 02/03/1999 | CN1206691A Refinement technology for realgar ore smelting and equipment thereof |
| 01/12/1999 | CA2002489C Process for the manufacture of copper arsenate |
| 10/13/1998 | US5820966 Removal of arsenic from iron arsenic and sulfur dioxide containing solutions |
| 08/12/1998 | CN1190081A Chemical reduction process of preparing indium arsenide and gallium arsenide |
| 06/04/1998 | WO1998023536A1 Process for removing acids from lithium salt solutions |
| 05/13/1998 | CN1038348C Prodn. of metal from minerals |
| 01/07/1998 | EP0816288A1 Preparation of lithiumhexafluorometallates |
| 01/07/1998 | EP0816287A1 Preparation of anorganic pentafluorides |
| 11/25/1997 | US5690908 Magnetic resonance imaging |