| Patents for C01B 19 - Selenium; Tellurium; Compounds thereof (2,563) |
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| 08/14/2002 | EP1231253A1 Preparation of metal chalcogenide dispersions |
| 08/07/2002 | EP1228258A1 Method of removal of impurities from gold concentrate containing sulfides |
| 07/31/2002 | EP1226092A1 Process for removing selenium and mercury from aqueous solutions |
| 07/04/2002 | WO2002034959A3 A method and apparatus for producing inorganic fullerene-like nanoparticles |
| 06/27/2002 | US20020079476 Applications and devices based on nanostructured non-stoichiometric substances |
| 06/13/2002 | WO2002047117A2 Preparation of nanocrystallites |
| 06/13/2002 | WO2002045825A1 Method for removing mercury from gas |
| 06/13/2002 | US20020072629 Zn and/or Ga promoted multi-metal oxide catalyst |
| 06/13/2002 | US20020071952 Preparation of nanocrystallites |
| 06/13/2002 | US20020070426 Telescoped multiwall nanotube and manufacture thereof |
| 06/06/2002 | US20020066401 Synthesis of colloidal nanocrystals |
| 06/04/2002 | US6398125 Process and apparatus for the production of nanometer-sized powders |
| 05/30/2002 | WO2002042203A1 Method for preparing ultra fine particle of metal chalcogenide |
| 05/23/2002 | US20020062038 Ir and/or Sm promoted multi-metal oxide catalyst |
| 05/14/2002 | US6387560 Nanostructured solid electrolytes and devices |
| 05/14/2002 | US6387494 Method for producing ultra microparticles and ultra microparticles |
| 05/09/2002 | US20020055033 Nanostructured deposition and devices |
| 05/08/2002 | CN1347866A Recirculating process |
| 05/08/2002 | CN1347755A Multi-metallic oxide catalyst accelerated with Zn and/or Ga |
| 05/02/2002 | WO2002034959A2 A method and apparatus for producing inorganic fullerene-like nanoparticles |
| 05/02/2002 | WO2002034757A2 Production of metal chalcogenide nanoparticles |
| 05/02/2002 | WO2002008120A3 Telescoped multiwall nanotube and manufacture thereof |
| 05/02/2002 | US20020051883 Processing and manufacturing methods enabled using non-stoichiometric nanomaterials |
| 05/02/2002 | DE10106428A1 Verfahren zur Herstellung von Metallchalkogeniden mit Hilfe überkritischer Fluide Process for the preparation of metal chalcogenides using supercritical fluids |
| 05/01/2002 | CN1346701A Iridium and/or samarium promoted polymetallic oxide catalyst |
| 04/30/2002 | US6379635 Of first and second different ions, by contacting a complex containing the two ions with a dispersing medium at temperature to allow formation by pyrolysis of the nanocrystalline material; forming cadmium selenide; optics |
| 04/30/2002 | US6379585 Preparation of sulphides and selenides |
| 04/24/2002 | EP1199280A1 Process for producing metal chalcogenides using supercritical fluid |
| 04/18/2002 | WO2002030814A1 A process for the synthesis of nanotubes of transition metal dichalcogenides |
| 04/11/2002 | WO2002029140A1 Synthesis of colloidal nanocrystals |
| 04/03/2002 | EP1193240A1 Recycle process in the preparation of unsaturated carboxylic acids from alkane |
| 04/03/2002 | EP1192986A1 Ir and/or Sm promoted multi-metal oxide catalyst |
| 04/03/2002 | EP1192982A1 Zn and/or Ga promoted multi-metal oxide catalyst |
| 03/20/2002 | CN1340458A Ultrasonic-chemical synthesis process for preparing nm-class metallothio-family compound or phosphide |
| 03/13/2002 | EP1003690B1 Preparation of sulphides and selenides |
| 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 |
| 02/05/2002 | US6344271 Materials and products using nanostructured non-stoichiometric substances |
| 01/31/2002 | WO2002008120A2 Telescoped multiwall nanotube and manufacture thereof |
| 01/31/2002 | US20020011564 Method for manufacturing high-quality manganese-doped semiconductor nanocrystals |
| 01/17/2002 | WO2002005366A1 Materials formed based on chevrel phases |
| 01/16/2002 | EP1172139A1 Catalyst for purifying exhaust gas |
| 01/16/2002 | EP1171384A2 Proton conducting membrane using a solid acid |
| 10/18/2001 | WO2000045447A9 Proton conducting membrane using a solid acid |
| 09/27/2001 | WO2001070390A1 Production of magnesium supermag complexes |
| 09/27/2001 | WO2001070241A1 Production and use of dissolved bioavailable selenium |
| 09/27/2001 | WO2001007689A3 Tellurium-containing nanocrystalline materials |
| 09/25/2001 | US6294401 Nanoparticle-based electrical, chemical, and mechanical structures and methods of making same |
| 09/19/2001 | EP1133713A2 Nanoparticle-based electrical, chemical, and mechanical structures and methods of making same |
| 08/21/2001 | US6277342 A support including at least one polymer sufficiently acidic to protonate the gas is contacted with the gas to protonate the gas to form a solid salt which is sorbed by the support. the gas is dispensed by deprotonation |
| 06/28/2001 | US20010005495 Process for preparing a nanocrystalline material |
| 05/23/2001 | EP1066418A4 Solution synthesis of mixed-metal chalcogenide nanoparticles and spray deposition of precursor films |
| 05/08/2001 | US6228904 Nanostructured fillers and carriers |
| 05/08/2001 | US6228270 Process for reducing selenium and mercury from aqueous solutions |
| 05/01/2001 | US6225198 Process for forming shaped group II-VI semiconductor nanocrystals, and product formed using process |
| 04/12/2001 | WO2000045447A8 Proton conducting membrane using a solid acid |
| 02/28/2001 | EP1078881A1 Storage and safe delivery of hazardous speciality gases by acid/base reactions with ionic polymers |
| 02/22/2001 | WO2001012865A1 Method of removal of impurities from gold concentrate containing sulfides |
| 02/22/2001 | CA2381679A1 Method of removal of impurities from gold concentrate containing sulfides |
| 02/21/2001 | CN1284474A Tin dioxide-base nanometer crystal gas-sensitive material and its preparation |
| 02/01/2001 | WO2001007689A2 Tellurium-containing nanocrystalline materials |
| 01/31/2001 | EP1034234A4 Stabilized particles and methods of preparation and use thereof |
| 01/10/2001 | EP1066418A1 Solution synthesis of mixed-metal chalcogenide nanoparticles and spray deposition of precursor films |
| 12/21/2000 | WO2000076917A1 Process for removing selenium and mercury from aqueous solutions |
| 12/20/2000 | CN1059638C Process for producing active red single element selenium |
| 12/06/2000 | CN1275525A Solvent thermal synthesis method for nanometer sulfide |
| 11/16/2000 | WO2000045447A3 Proton conducting membrane using a solid acid |
| 11/09/2000 | WO2000066485A1 Bulk synthesis of long nanotubes of transition metal chalcogenides |
| 10/03/2000 | US6127202 Heating and reduction of group group ib, iiia or mixed oxides to form non-oxide precursor film of these metals, reacting with group via source to form final intermetallic ib-iiia-via film for efficient photoelectric cell |
| 10/03/2000 | US6126740 Solution synthesis of mixed-metal chalcogenide nanoparticles and spray deposition of precursor films |
| 09/13/2000 | EP1034571A1 Highly luminescent color-selective materials |
| 09/13/2000 | EP1034234A1 Stabilized particles and methods of preparation and use thereof |
| 08/08/2000 | CA2197664C Two powder synthesis of hydrotalcite and hydrotalcite-like compounds |
| 08/03/2000 | WO2000045447A2 Proton conducting membrane using a solid acid |
| 07/26/2000 | CN1261054A Process for removing lead from tellurium compound |
| 07/26/2000 | CN1261053A Purifying process for removing lead from sodium tellurate solution |
| 07/13/2000 | WO2000020916A3 Nanoparticle-based electrical, chemical, and mechanical structures and methods of making same |
| 07/12/2000 | EP0694209B1 ENHANCED QUALITY THIN FILM Cu(In,Ga)Se 2 FOR SEMICONDUCTOR DEVICE APPLICATIONS BY VAPOR-PHASE RECRYSTALLIZATION |
| 05/31/2000 | EP1003690A1 Preparation of sulphides and selenides |
| 04/13/2000 | WO2000020916A2 Nanoparticle-based electrical, chemical, and mechanical structures and methods of making same |
| 03/15/2000 | EP0759888B1 Process for the preparation of layered double hydroxides. |
| 02/09/2000 | EP0978882A2 An oxide-based method of making compound semiconductor films and making related electronic devices |
| 02/08/2000 | US6022986 Manganiferous polyoxometallates, synthesis and use thereof |
| 02/02/2000 | CN1243098A Technology for extracting fine tellurium from tellurium-contained multi-metal ores |
| 01/27/2000 | CA2278834A1 Improved tellurium extraction from copper electrorefining slimes |
| 01/19/2000 | CN1241804A Oxide-based method of making compound semiconductor film and making related electronic devices |
| 01/11/2000 | US6013204 Alkali bismuth alone or with and antimony chalcogenides with tellurium and/or selenium have unique thermoelectrical properties; excluding given chalcogenides; electrical device with leads connected to the chalcogenide, modifying current |
| 11/03/1999 | EP0776317B1 Two powder synthesis of hydrotalcite and hydrotalcite-like compounds |
| 08/17/1999 | US5939042 Extracting from mixture with silver by slurrying, adding selenium, sulfur, leaching, separation |
| 07/29/1999 | WO1999037832A1 Solution synthesis of mixed-metal chalcogenide nanoparticles and spray deposition of precursor films |
| 06/08/1999 | US5910336 Process for producing light-absorbing chalcopyrite film |
| 06/01/1999 | US5908608 Synthesis of metal chalcogenide quantum |
| 05/25/1999 | US5906670 Spraying toward substrate aerosol droplets of metal salt dissolved in volatile solvent, desolventizing and reacting droplets while airborne with gas phase reagent to form a metal or metal compound to be coated onto substrate |
| 05/18/1999 | US5905000 Nanostructured ion conducting solid electrolytes |
| 05/06/1999 | WO1999021934A1 Stabilized particles and methods of preparation and use thereof |
| 12/22/1998 | US5851507 Integrated thermal process for the continuous synthesis of nanoscale powders |
| 12/10/1998 | WO1998055395A1 Preparation of sulphides and selenides |
| 10/06/1998 | CA2047806C Alloying process |
| 08/25/1998 | US5798059 Color display screen comprising a contrast-enhancing pigment |
| 08/04/1998 | US5788738 High temperature vapors quenched by adiabatic expansion |