| Patents for C01B 19 - Selenium; Tellurium; Compounds thereof (2,563) |
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| 10/20/2004 | CN1171778C Preparation method of cadmium antimonide powder |
| 09/22/2004 | EP1459372A1 Shaped nanocrystal particles and methods for making the same |
| 09/16/2004 | US20040181085 Mixed metal oxide catalyst for producing nitriles from nitrates and unsaturated compounds |
| 09/16/2004 | US20040180203 Nanomaterial compositions with distinctive shape and morphology |
| 09/16/2004 | US20040178530 High volume manufacturing of nanoparticles and nano-dispersed particles at low cost |
| 09/15/2004 | EP1456022A2 Nanocrystals |
| 09/15/2004 | EP1455682A2 Biologically active complex |
| 09/14/2004 | US6790988 Useful for vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for vapor phase ammoxidation of an alkane or alkane alkene mixture to an unsaturated nitrile |
| 09/08/2004 | CN1526639A Bi2Te3-base compound nanotube |
| 09/08/2004 | CN1526638A Prepn of Bi2Te3-base nano thermoelectric material powder containing RE element |
| 09/08/2004 | CN1526637A Prepn of Bi2Te3-base compound nanotube |
| 09/02/2004 | US20040170820 Multimetallic nanofillers with domain size less than 100 nanometers exhibiting transparency to visible light that differs by more than 20% as compared to fillers having a domain size of at least one micron. |
| 09/01/2004 | CN1524783A Method and apparatus for preparing water-soluble CdTe nanocrystalline |
| 09/01/2004 | CN1524782A Manufacturing method of cadmium selenide and cadmium telluride nanometer rod |
| 08/26/2004 | WO2004073021A2 Preparation of metal chalcogenides from reactions of metal compounds and chalcogen |
| 08/24/2004 | US6781008 Mixed metal oxide; production of unsaturated carboxylic acids or unsaturated nitriles from alkanes or alkenes |
| 08/24/2004 | US6780242 Method for manufacturing high-quality manganese-doped semiconductor nanocrystals |
| 08/11/2004 | CN1519195A Method for preparing nano selenium tube |
| 08/05/2004 | WO2004065296A1 Semiconductor ultrafine particles, fluorescent material, and light-emitting device |
| 07/28/2004 | EP1440458A2 Method of semiconductor nanoparticle synthesis |
| 07/28/2004 | CN1159212C Nano level metal telluride preparing process |
| 07/28/2004 | CN1159211C Synthesis of several metal selenides and tellurides as semicondutor material |
| 07/22/2004 | WO2004060797A1 Multiple particles and method for preparation thereof |
| 07/22/2004 | US20040139888 Containing nanofillers providing superior performance; refractive index, transparency reflection, resistivity, permittivity, permeability, coercivity, magnetic hysteresis, breakdown voltage; increased surface area, constrained domain sizes |
| 07/15/2004 | WO2004042784A8 Stabilized semiconductor nanocrystals |
| 07/14/2004 | EP1436844A2 Passivated nanoparticles, method of fabrication thereof, and devices incorporating nanoparticles |
| 06/30/2004 | CN1155507C Purifying process for removing lead from sodium tellurate solution |
| 06/17/2004 | US20040116731 Vapor phase oxidation; reacting a alkane or alkene forming (meth)acrylic acid or (meth)acrylonitrile |
| 06/17/2004 | US20040115345 Nanoparticle fractionation and size determination |
| 06/10/2004 | WO2004048647A1 Topological crystal of transition metal chalcogenide and method of forming the same |
| 06/09/2004 | EP1425162A2 Optical materials and optical devices |
| 06/08/2004 | US6746791 Nano-ionic products and devices |
| 05/27/2004 | US20040101976 Synthesis of stable colloidal nanocrystals using organic dendrons |
| 05/26/2004 | EP1421155A1 Colloidal nanocrystals with high photoluminescence quantum yields and methods of preparing the same |
| 05/21/2004 | WO2004042784A2 Stabilized semiconductor nanocrystals |
| 05/20/2004 | US20040096720 Chalogenides; heat and chemical resistance; protonation glass, ceramic |
| 05/19/2004 | EP1171384A4 Proton conducting membrane using a solid acid |
| 05/18/2004 | US6737463 Barium ferrite filler; magnetic tapes |
| 05/13/2004 | US20040091710 For use in display devices, information storage, biological tagging materials, photovoltaics, sensors and catalysts |
| 05/13/2004 | US20040089410 Bulk synthesis of long nanotubes of transition metal chalcogenides |
| 05/11/2004 | US6734136 IR and/or SM promoted multi-metal oxide catalyst |
| 05/06/2004 | US20040086444 Production of metal chalcogenide nanoparticles |
| 04/29/2004 | US20040081605 Washing with aqueous solution containing slenium compound; precipitation as selenium-mercury alloy at low temperature |
| 04/28/2004 | CN1147424C Solvent thermal synthesis method for nano sulfide |
| 04/27/2004 | US6726992 Nano-engineered phosphors and related nanotechnology |
| 04/21/2004 | EP1409240A2 Luminescent nanoparticles and methods for their preparation |
| 04/15/2004 | WO2004031732A2 Nanocrystals in ligand boxes exhibiting enhanced chemical, photochemical, and thermal stability, and methods of making the same |
| 04/14/2004 | CN1488572A Method for preparing bismuth telluride base thermoelectric material |
| 04/08/2004 | US20040067355 Nanoscale powders dispersed on coarser carrier powders |
| 04/01/2004 | US20040062708 Process for the synthesis of nanotubes of transition metal dichalcogenides |
| 04/01/2004 | US20040062706 Reacting selenium with lithium aluminum hydride |
| 03/31/2004 | EP1402089A2 Synthesis of stable colloidal nanocrystals using organic dendrons |
| 03/30/2004 | US6713176 Processing and manufacturing methods enabled using non-stoichiometric nanomaterials |
| 03/25/2004 | WO2003078699A9 Synthesis of stable colloidal nanocrystals using organic dendrons |
| 03/24/2004 | CN1483665A Process for preparing zinc selenide (zn se) powder material |
| 03/18/2004 | WO2004022483A1 Compound semiconductor particles and production process therefor |
| 03/18/2004 | WO2003044038A3 Biologically active complex |
| 03/18/2004 | DE10241494A1 Porous material used for water purification and treatment has crystal-analogous overstructure formed by regular structure of particles and regular pores and consists (partly) of titanium (di)oxide |
| 03/17/2004 | CN1142099C Ultrasonic-chemical synthesis process for preparing nm-class metallic sulfide |
| 03/10/2004 | CN1480391A Method for preparing colloidal nano granules of selenium |
| 03/04/2004 | US20040044248 Vapor phase oxidation, ammoxidation using catalyst |
| 03/03/2004 | CN1479647A Method for removing mercury from gas |
| 03/02/2004 | US6700015 Vapor phase oxidation of an alkane and/or alkene to unsaturated carboxylic acid; or ammoxidation to unsaturated nitrile |
| 02/19/2004 | US20040033359 Highly luminescnt color-selective nanocrystalline materials |
| 02/12/2004 | US20040030172 Catalyst |
| 02/12/2004 | US20040025634 High speed heating, reduction, cooling |
| 02/12/2004 | DE10235182A1 Preparation of semiconductor nanoparticles, useful e.g. for labeling biomolecules in medicine or biotechnology, uses an aromatic compound or metallocene as metal source |
| 02/05/2004 | WO2003054507A3 Nanocrystals |
| 01/29/2004 | WO2004009205A2 Nanoparticle fractionation and size determination |
| 01/29/2004 | WO2003092043A3 Luminescent nanoparticles and methods for their preparation |
| 01/29/2004 | WO2003078699A3 Synthesis of stable colloidal nanocrystals using organic dendrons |
| 01/29/2004 | US20040019233 Catalyst comprising a mixed metal oxide based on molybdenum, vanadium and optional metals for the vapor phase (amm)oxidation of an alkane to an unsaturated carboxylic acid (nitrile); improved catalytic selectivity |
| 01/29/2004 | US20040018306 Evaporating metal oxide, reducing to metal suboxide nanoparticles in the gas phase, then reacting with a second reacting agent to form pure phase of fullerenes molybdenum disulfide as solid lubricants; vapor deposition |
| 01/22/2004 | WO2004008550A2 Rapid low-temperature synthesis of quantum dots |
| 01/15/2004 | DE20311944U1 Farbeffekt-Schichten und -Beschichtungen auf Basis photonischer Kristalle Color effect layers and coatings based on photonic crystals |
| 01/15/2004 | DE20311943U1 Poröse Materialien für die Blockung von UV-Strahlung Porous materials for the blocking of UV radiation |
| 01/15/2004 | DE20311942U1 Poröse Materialien für die Blockung von IR-Strahlung Porous materials for the blocking of IR radiation |
| 01/15/2004 | DE20311940U1 Poroese Materialien zur Immobilisierung von Bakterien Porous materials for the immobilization of bacteria |
| 01/15/2004 | DE20311939U1 Poröse Materialien als Katalysatorträger in chemischen und verfahrenstechnischen Anwendungen Porous materials as catalyst supports in chemical and process engineering applications |
| 01/15/2004 | DE20311937U1 Poröse Materialien für die Reinigung und Aufbereitung von Wasser Porous materials for the purification and treatment of water |
| 01/08/2004 | US20040005485 Nanostructured powders and related nanotechnology |
| 01/07/2004 | EP1377438A2 Preparation of nanocrystallites |
| 01/02/2004 | EP1373165A2 Method for producing metal oxides and metal chalcogenides comprising a defined microstructure |
| 12/31/2003 | CN1463914A Process for preparing crystalline selenium ferrum compound Fe(HseO3)(Se2O5) |
| 12/18/2003 | WO2003105197A1 Radiation detector |
| 12/11/2003 | WO2003045610A3 Nano-dispersed powders and methods for their manufacture |
| 12/04/2003 | US20030224168 Chemical manufacture of nanostructured materials |
| 11/25/2003 | US6652967 Nano-dispersed powders and methods for their manufacture |
| 11/19/2003 | CN1128479C Tin dioxide-base nanometer methane-sensitive crystal powder and its preparation |
| 11/13/2003 | US20030212179 Slurry containing multimetallic filler |
| 11/13/2003 | US20030209105 Preparation of nanocrystallites |
| 11/13/2003 | US20030209057 Controlling particle size of powder; mixing, heating metal particles in matrix |
| 11/11/2003 | US6645906 High temperature mixing |
| 11/06/2003 | WO2003092043A2 Luminescent nanoparticles and methods for their preparation |
| 11/06/2003 | US20030207978 Drug delivery; improved refractive index, transparency to light, reflection, permeability, coercivity, magnetic hystereisis, breakdown voltage, biocompatability, and wear resistance |
| 11/06/2003 | US20030207977 Drug delivery; improved refractive index, transparency to light, reflection, permeability, coercivity, magnetic hysteresis, breakdown voltage, biocompatability, and wear resistance |
| 11/06/2003 | US20030207976 Thermal properties modified by powder size; whisker type fillers; drug delivery |
| 11/06/2003 | US20030207975 Improved wear resistance/biocompatibility |
| 11/06/2003 | US20030207112 A pigment with modified properties because of the powder size being below 100 nanometers. Blue, yellow and brown pigments are illustrated. Nanoscale coated, un-coated, whisker inorganic fillers are included. Stoichiometric and |
| 11/06/2003 | CA2453450A1 Luminescent nanoparticles and methods for their preparation |