Patents for C01G 41 - Compounds of tungsten (1,848) |
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12/12/2002 | US20020187387 Nano-ionic products and devices |
12/11/2002 | EP1263682A2 Reactors for producing inorganic fullerene-like tungsten disulfide hollow nanoparticles and nanotubes |
12/05/2002 | WO2002096559A1 Inorganic ion exchangers for removing contaminant metal ions from liquid streams |
12/05/2002 | CA2448865A1 Inorganic ion exchangers for removing contaminant metal ions from liquid streams |
11/28/2002 | US20020176987 Ink comprising: a non-stoichiometric non-equilibrium nanostructured material; device such as electronics using such a material |
11/27/2002 | CN1381599A Semi-dry desorption process for preparing ammonium paratungstate by ion exchange method |
11/21/2002 | WO2002092721A1 Thermochromic material |
11/21/2002 | US20020172826 Nanoscale catalyst compositions from complex and non-stoichiometric compositions |
11/21/2002 | US20020170593 Non-stoichiometric non- equilibrium material, and the material is a nanostructured material. |
11/14/2002 | WO2002090024A1 Metalothermic reduction of refractory metal oxides |
11/14/2002 | US20020168522 Nanotechnology for electronic and opto-electronic devices |
11/13/2002 | EP1255879A1 Method and composition for the prevention of high temperature corrosion due to alkali sulfates and alkali chlorides |
11/12/2002 | US6478845 Boron addition for making potassium-doped tungsten |
11/07/2002 | US20020164482 Nanotechnology for biomedical products |
11/06/2002 | CN1377980A Process for preparing high purity ammonium para-tungstate using hihg-molybdenum tungsten ore |
10/31/2002 | US20020160191 Low maturing temperature porcelain compositions useful for the fabrication of dental restorations. |
10/31/2002 | US20020160190 Nanotechnology for magnetic components |
10/30/2002 | CN1376637A Non-metering tungsten oxide and its preparing process and usage |
10/09/2002 | CN1092148C Single crystals of lead tungstate |
09/25/2002 | CN1091429C Process for preparing thiomolybdate by separating tungsten from molybdenum |
09/05/2002 | US20020121700 Novel organic/inorganic-oxide multilayer materials |
09/04/2002 | EP1140703B1 Synthesis of heteropolyacids |
08/21/2002 | EP1232226A1 Synthesis of nanoparticles |
08/08/2002 | WO2002061896A1 Double, optionally doped, potassium-ytterbium tungstate single crystal, production method therefor and applications |
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. |
08/08/2002 | CA2437101A1 Potasium ytterbium double wolframate single crystal, optionally doped, procedure for its production and applications |
08/06/2002 | US6428765 Hydrorefining catalysts used for reforming, aromatization, transalkylation, isomerization and dehydrogenation |
07/18/2002 | DE10148055A1 Electroconductive pigment, used for pigmenting lacquer, printing ink, plastics system or coating, is mixed oxide based on zinc and/or tin and doped with tungsten and/or molybdenum, optionally as coating on substrate |
07/04/2002 | WO2002051539A1 Crystalline multinary metal oxide compositions, process for preparing and processes for using the composition |
06/27/2002 | US20020079476 Applications and devices based on nanostructured non-stoichiometric substances |
06/19/2002 | CN1354044A Method for recovering heteropolyacid catalyst |
06/13/2002 | US20020070426 Telescoped multiwall nanotube and manufacture thereof |
06/06/2002 | US20020066338 Metalothermic reduction of refractory metal oxides |
05/28/2002 | US6395241 Process for recovering the carbide metal from metal carbide scrap |
05/23/2002 | WO2002041419A1 Nonaqueous electrolyte secondary cell and positive electrode active material |
05/21/2002 | US6391496 Composite oxide active material; better charge-discharge cycles |
05/15/2002 | EP0963359B1 Method for making submicrometer transition metal carbonitrides |
05/14/2002 | US6387560 Nanostructured solid electrolytes and devices |
05/10/2002 | WO2002036495A1 Process for recovering the carbide metal from metal carbide scrap |
05/10/2002 | WO2002036494A1 Transition metal oxide compositions |
05/09/2002 | US20020055033 Nanostructured deposition and devices |
05/09/2002 | US20020054847 Synthesis of heteropolyacids |
05/07/2002 | US6384534 Ceramic emissive mixture for cathode coatings prepared by mixing barium carbonate, tantalum oxide and at least calcium carbonate and tungsten oxide powders; sintering, milling and mixing with a binder to form a suspension; |
05/07/2002 | US6383685 Composite tungsten oxide includes copper, vanadium, chromium, manganese, iron, cobalt, and/or nickel; rutile crystal structure; charging/discharging cycle |
05/07/2002 | US6383684 Composite tungsten oxide includes copper, vanadium, chromium, manganese, iron, cobalt, and/or nickel; charging/discharging cycle |
05/02/2002 | WO2002008120A3 Telescoped multiwall nanotube and manufacture thereof |
05/02/2002 | US20020051883 Processing and manufacturing methods enabled using non-stoichiometric nanomaterials |
05/01/2002 | CN1083802C Method for removing molybdenum from tungstate solution |
04/23/2002 | US6375708 W-cu-ni alloy formed by direct sintering of a powder blend which eliminates the formation of brittle intermetallics and slumping |
04/18/2002 | WO2002030814A1 A process for the synthesis of nanotubes of transition metal dichalcogenides |
04/18/2002 | US20020044908 Method for liquid chromate ion and oxy-metal ions removal and stabilization |
03/28/2002 | WO2001066462A3 Reactors for producing inorganic fullerene-like tungsten disulfide hollow nanoparticles and nanotubes |
03/27/2002 | EP1190988A2 Bismuth-containing laser markable compositions and methods of making and using same |
03/27/2002 | CN1081486C Multimetal oxides |
03/21/2002 | DE10044986A1 Nanokristallines Metalloxidpulver, Verfahren zu seiner Herstellung und Verwendung Nanocrystalline metal oxide powder, process for its preparation and use |
03/19/2002 | US6358307 Vanadium dioxide microparticles, method for preparing same, and use thereof, in particular for surface coating |
03/14/2002 | WO2002020696A1 Synthesis of nanoparticles |
03/14/2002 | WO2002020695A1 Doped nanoparticles |
03/14/2002 | WO2002020407A1 Nanocrystalline metal oxide powders-production and application methods |
03/14/2002 | WO2001074484A3 Transition metal carbides, nitrides and borides and their oxygen containing analogs useful as water gas shift catalysts |
02/21/2002 | US20020021998 Controlling oxygen partial pressure |
02/20/2002 | EP0948671B1 Method for preparation of metal intercalated fullerene-like metal chalcogenides |
02/07/2002 | US20020014182 For use in electrical devices, magnetic devices, optical devices, biomedical devices, and electrochemical devices |
02/06/2002 | EP1177153A1 Bulk synthesis of long nanotubes of transition metal chalcogenides |
02/06/2002 | CN1334783A Synthesis of heteropolyacids |
02/05/2002 | US6344271 Materials and products using nanostructured non-stoichiometric substances |
01/31/2002 | WO2002008120A2 Telescoped multiwall nanotube and manufacture thereof |
01/31/2002 | US20020013221 Water gas shift catalysts for use in producing hydrogen for chemical processing and petroleum refining, and reducing the carbon monoxide content of feeds to fuel cells; highly active, durable, and sulfur tolerant catalyst |
01/16/2002 | CN1331760A Method for extracting anions of IVB to VIII metals using alkyl-substituted 1,3-diaminopropanes |
01/09/2002 | CN1329956A Tungsten-copper composite powder |
01/09/2002 | CN1329955A Tungsten-copper composite powder |
11/01/2001 | US20010035042 Sensors for oxidizing gases |
10/25/2001 | WO2001079827A1 Sensors for oxidizing gases |
10/24/2001 | EP0756718B1 Electrochromic thin-film systems and components thereof |
10/18/2001 | WO2001077022A1 Compounds derived from la2mo2o9 and their use as ionic conductors |
10/17/2001 | EP1144699A1 Method for extracting anions of ivb to viii metals using alkyl-substituted 1,3-diaminopropanes |
10/11/2001 | WO2001074484A2 Transition metal carbides, nitrides and borides and their oxygen containing analogs useful as water gas shift catalysts |
10/10/2001 | EP1140703A1 Synthesis of heteropolyacids |
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 | CN1071716C Process for preparing pure alkali metal tungstate and/or ammonium tungstate solutions |
09/26/2001 | CN1071715C Process for producing pure ammonium metallates |
09/26/2001 | CN1071714C Sodium tungstate preparation process |
09/13/2001 | WO2001066462A2 Reactors for producing inorganic fullerene-like tungsten disulfide hollow nanoparticles and nanotubes |
09/05/2001 | CN1070459C Composition oxide having oxygen absorbing and desorbing capability and method for preparing same |
08/16/2001 | EP0832040B1 Process for producing pure ammonium metallates |
07/25/2001 | EP1118403A2 Tungsten-copper composite powder |
07/25/2001 | CN1068909C Tungsten-copper composite powder |
07/18/2001 | EP1115660A1 Solid-state gas sensors and compounds therefor |
06/21/2001 | WO2001044112A1 Method for purification of tungsten hexafluoride |
06/20/2001 | EP1108680A2 Electron emissive material for fluorescent lamp electrodes |
05/30/2001 | CN1066423C Composite oxide with ability of oxygen absorption and desorption |
05/30/2001 | CN1066418C Process for preparing metatungstic acid solution |
05/16/2001 | CN1295499A Multi-metal oxide compounds |
05/08/2001 | US6228904 Nanostructured fillers and carriers |
04/25/2001 | EP1094089A1 Electrolyte for electrochromic systems |
04/25/2001 | CN1292311A Electric contactor and alloy for electrode, preparing method thereof |
04/17/2001 | US6217843 Heating metal compound with water in vacuum |
04/11/2001 | EP1091009A2 Alloy for electrical contacts and electrodes and method of making |
04/11/2001 | EP0832041B1 Sodium tungstate preparation process |