Patents
Patents for C01B 19 - Selenium; Tellurium; Compounds thereof (2,563)
08/2002
08/14/2002EP1231253A1 Preparation of metal chalcogenide dispersions
08/07/2002EP1228258A1 Method of removal of impurities from gold concentrate containing sulfides
07/2002
07/31/2002EP1226092A1 Process for removing selenium and mercury from aqueous solutions
07/04/2002WO2002034959A3 A method and apparatus for producing inorganic fullerene-like nanoparticles
06/2002
06/27/2002US20020079476 Applications and devices based on nanostructured non-stoichiometric substances
06/13/2002WO2002047117A2 Preparation of nanocrystallites
06/13/2002WO2002045825A1 Method for removing mercury from gas
06/13/2002US20020072629 Zn and/or Ga promoted multi-metal oxide catalyst
06/13/2002US20020071952 Preparation of nanocrystallites
06/13/2002US20020070426 Telescoped multiwall nanotube and manufacture thereof
06/06/2002US20020066401 Synthesis of colloidal nanocrystals
06/04/2002US6398125 Process and apparatus for the production of nanometer-sized powders
05/2002
05/30/2002WO2002042203A1 Method for preparing ultra fine particle of metal chalcogenide
05/23/2002US20020062038 Ir and/or Sm promoted multi-metal oxide catalyst
05/14/2002US6387560 Nanostructured solid electrolytes and devices
05/14/2002US6387494 Method for producing ultra microparticles and ultra microparticles
05/09/2002US20020055033 Nanostructured deposition and devices
05/08/2002CN1347866A Recirculating process
05/08/2002CN1347755A Multi-metallic oxide catalyst accelerated with Zn and/or Ga
05/02/2002WO2002034959A2 A method and apparatus for producing inorganic fullerene-like nanoparticles
05/02/2002WO2002034757A2 Production of metal chalcogenide nanoparticles
05/02/2002WO2002008120A3 Telescoped multiwall nanotube and manufacture thereof
05/02/2002US20020051883 Processing and manufacturing methods enabled using non-stoichiometric nanomaterials
05/02/2002DE10106428A1 Verfahren zur Herstellung von Metallchalkogeniden mit Hilfe überkritischer Fluide Process for the preparation of metal chalcogenides using supercritical fluids
05/01/2002CN1346701A Iridium and/or samarium promoted polymetallic oxide catalyst
04/2002
04/30/2002US6379635 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
04/30/2002US6379585 Preparation of sulphides and selenides
04/24/2002EP1199280A1 Process for producing metal chalcogenides using supercritical fluid
04/18/2002WO2002030814A1 A process for the synthesis of nanotubes of transition metal dichalcogenides
04/11/2002WO2002029140A1 Synthesis of colloidal nanocrystals
04/03/2002EP1193240A1 Recycle process in the preparation of unsaturated carboxylic acids from alkane
04/03/2002EP1192986A1 Ir and/or Sm promoted multi-metal oxide catalyst
04/03/2002EP1192982A1 Zn and/or Ga promoted multi-metal oxide catalyst
03/2002
03/20/2002CN1340458A Ultrasonic-chemical synthesis process for preparing nm-class metallothio-family compound or phosphide
03/13/2002EP1003690B1 Preparation of sulphides and selenides
02/2002
02/07/2002US20020014182 For use in electrical devices, magnetic devices, optical devices, biomedical devices, and electrochemical devices
02/06/2002EP1177153A1 Bulk synthesis of long nanotubes of transition metal chalcogenides
02/05/2002US6344271 Materials and products using nanostructured non-stoichiometric substances
01/2002
01/31/2002WO2002008120A2 Telescoped multiwall nanotube and manufacture thereof
01/31/2002US20020011564 Method for manufacturing high-quality manganese-doped semiconductor nanocrystals
01/17/2002WO2002005366A1 Materials formed based on chevrel phases
01/16/2002EP1172139A1 Catalyst for purifying exhaust gas
01/16/2002EP1171384A2 Proton conducting membrane using a solid acid
10/2001
10/18/2001WO2000045447A9 Proton conducting membrane using a solid acid
09/2001
09/27/2001WO2001070390A1 Production of magnesium supermag complexes
09/27/2001WO2001070241A1 Production and use of dissolved bioavailable selenium
09/27/2001WO2001007689A3 Tellurium-containing nanocrystalline materials
09/25/2001US6294401 Nanoparticle-based electrical, chemical, and mechanical structures and methods of making same
09/19/2001EP1133713A2 Nanoparticle-based electrical, chemical, and mechanical structures and methods of making same
08/2001
08/21/2001US6277342 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
06/2001
06/28/2001US20010005495 Process for preparing a nanocrystalline material
05/2001
05/23/2001EP1066418A4 Solution synthesis of mixed-metal chalcogenide nanoparticles and spray deposition of precursor films
05/08/2001US6228904 Nanostructured fillers and carriers
05/08/2001US6228270 Process for reducing selenium and mercury from aqueous solutions
05/01/2001US6225198 Process for forming shaped group II-VI semiconductor nanocrystals, and product formed using process
04/2001
04/12/2001WO2000045447A8 Proton conducting membrane using a solid acid
02/2001
02/28/2001EP1078881A1 Storage and safe delivery of hazardous speciality gases by acid/base reactions with ionic polymers
02/22/2001WO2001012865A1 Method of removal of impurities from gold concentrate containing sulfides
02/22/2001CA2381679A1 Method of removal of impurities from gold concentrate containing sulfides
02/21/2001CN1284474A Tin dioxide-base nanometer crystal gas-sensitive material and its preparation
02/01/2001WO2001007689A2 Tellurium-containing nanocrystalline materials
01/2001
01/31/2001EP1034234A4 Stabilized particles and methods of preparation and use thereof
01/10/2001EP1066418A1 Solution synthesis of mixed-metal chalcogenide nanoparticles and spray deposition of precursor films
12/2000
12/21/2000WO2000076917A1 Process for removing selenium and mercury from aqueous solutions
12/20/2000CN1059638C Process for producing active red single element selenium
12/06/2000CN1275525A Solvent thermal synthesis method for nanometer sulfide
11/2000
11/16/2000WO2000045447A3 Proton conducting membrane using a solid acid
11/09/2000WO2000066485A1 Bulk synthesis of long nanotubes of transition metal chalcogenides
10/2000
10/03/2000US6127202 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
10/03/2000US6126740 Solution synthesis of mixed-metal chalcogenide nanoparticles and spray deposition of precursor films
09/2000
09/13/2000EP1034571A1 Highly luminescent color-selective materials
09/13/2000EP1034234A1 Stabilized particles and methods of preparation and use thereof
08/2000
08/08/2000CA2197664C Two powder synthesis of hydrotalcite and hydrotalcite-like compounds
08/03/2000WO2000045447A2 Proton conducting membrane using a solid acid
07/2000
07/26/2000CN1261054A Process for removing lead from tellurium compound
07/26/2000CN1261053A Purifying process for removing lead from sodium tellurate solution
07/13/2000WO2000020916A3 Nanoparticle-based electrical, chemical, and mechanical structures and methods of making same
07/12/2000EP0694209B1 ENHANCED QUALITY THIN FILM Cu(In,Ga)Se 2 FOR SEMICONDUCTOR DEVICE APPLICATIONS BY VAPOR-PHASE RECRYSTALLIZATION
05/2000
05/31/2000EP1003690A1 Preparation of sulphides and selenides
04/2000
04/13/2000WO2000020916A2 Nanoparticle-based electrical, chemical, and mechanical structures and methods of making same
03/2000
03/15/2000EP0759888B1 Process for the preparation of layered double hydroxides.
02/2000
02/09/2000EP0978882A2 An oxide-based method of making compound semiconductor films and making related electronic devices
02/08/2000US6022986 Manganiferous polyoxometallates, synthesis and use thereof
02/02/2000CN1243098A Technology for extracting fine tellurium from tellurium-contained multi-metal ores
01/2000
01/27/2000CA2278834A1 Improved tellurium extraction from copper electrorefining slimes
01/19/2000CN1241804A Oxide-based method of making compound semiconductor film and making related electronic devices
01/11/2000US6013204 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
11/1999
11/03/1999EP0776317B1 Two powder synthesis of hydrotalcite and hydrotalcite-like compounds
08/1999
08/17/1999US5939042 Extracting from mixture with silver by slurrying, adding selenium, sulfur, leaching, separation
07/1999
07/29/1999WO1999037832A1 Solution synthesis of mixed-metal chalcogenide nanoparticles and spray deposition of precursor films
06/1999
06/08/1999US5910336 Process for producing light-absorbing chalcopyrite film
06/01/1999US5908608 Synthesis of metal chalcogenide quantum
05/1999
05/25/1999US5906670 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
05/18/1999US5905000 Nanostructured ion conducting solid electrolytes
05/06/1999WO1999021934A1 Stabilized particles and methods of preparation and use thereof
12/1998
12/22/1998US5851507 Integrated thermal process for the continuous synthesis of nanoscale powders
12/10/1998WO1998055395A1 Preparation of sulphides and selenides
10/1998
10/06/1998CA2047806C Alloying process
08/1998
08/25/1998US5798059 Color display screen comprising a contrast-enhancing pigment
08/04/1998US5788738 High temperature vapors quenched by adiabatic expansion
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