Patents
Patents for C01F 17 - Compounds of the rare-earth metals, i.e. scandium, yttrium, lanthanum, or the group of the lanthanides (4,902)
12/2004
12/30/2004US20040265621 precipitation an organic metal salts from solutions of dicarboxylic esters, then drying and firing in an oxidizing atmosphere, to form microstructure particles used as reinforcement for ceramics
12/30/2004US20040262435 post-processing of nanoscale powders of oxides, carbides, nitrides, borides, chalcogenides, metals, and alloys; to improve functional and processing characteristics for commercial applications
12/29/2004WO2004113229A1 Mixed metal oxides and use thereof in co2 sensors
12/29/2004EP1491605A1 Cerium based abrasive material and method for preparation thereof
12/29/2004CN1182038C Synthesis process of nanostring and nanopowder of RE hydroxide or oxide
12/23/2004US20040258608 Using water soluble dispersant having attraction to metal oxide nanocrystals; storable, nonsettling
12/23/2004US20040258599 Process for the preparation of pink light-emitting diode with high brightness
12/22/2004CN1556039A Synthesis method of cerium oxide nano material
12/22/2004CN1556038A Method of preparing high purity cerium trifluoride micro powder
12/22/2004CN1556037A Preparation method of nano rare earth oxide
12/21/2004US6832735 Post-processed nanoscale powders and method for such post-processing
12/15/2004CN1179879C Composite cerium-zirconium barium oxides and preparing method thereof
12/14/2004US6830822 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
12/09/2004WO2004106263A2 Precursor compounds of alkaline earth metal or rare earth metal aluminates method for production and use thereof particularly as precursors for luminophores
12/09/2004US20040247511 Producing high surface area catalysts from an amorphous powdery starting material containing at least one rare earth element R and at least one transition metal element T; product has a specific surface area exceeding 10 m2/g.
12/09/2004US20040244675 Non-magnetic particles having a plate shape and method for production thereof, abrasive material, polishing article and abrasive fluid comprising such particles
12/09/2004CA2525836A1 Precursor compounds of alkaline earth metal or rare earth metal aluminates method for production and use thereof particularly as precursors for luminophores
12/08/2004EP1484296A1 Raw material powder for forming material capable of conducting oxygen ion and method for production thereof
12/08/2004EP1484282A1 Cerium based composite oxide, sintered product thereof and method for preparation thereof
12/08/2004EP1483203A1 Modified oxidic nano-particle with hydrophobic inclusions, method for the production and use of said particle
12/08/2004EP1483111A2 Composite nanoparticle materials and method of making the same
12/08/2004EP1257612B1 Scintillator crystals, method for making same, use thereof
12/02/2004WO2004104134A1 Concentrate of fine ceria particles for chemical mechanical polishing and preparing method thereof
12/02/2004WO2004103907A1 Metal oxide solid solution, preparation and use thereof
12/02/2004WO2004103546A2 Rare earth perovskite colloidal dispersion and method for the production thereof
12/02/2004US20040241070 Method for preparing single crystalline cerium oxide powders
12/02/2004US20040238747 Scintillator crystal, method for making same use thereof
12/01/2004EP1481020A2 Stable dispersions of nanoparticles in aqueous media
12/01/2004EP1480910A2 Mesoporous compound comprising a mineral phase of aluminium and cerium, titanium or zirconium oxide particles and, optionally, an element in solid solution in said particles, the preparation method thereof and uses of same
12/01/2004CN1178259C Ternary RE-Mo secondary emitting material and its prepn.
11/2004
11/25/2004US20040234439 Porous composite oxide and production method thereof
11/25/2004US20040234438 heat resistance; oxygen absorption, desorption capacity; high temperature environment
11/24/2004EP1479651A1 Porous composite oxide and production method thereof
11/24/2004CN1177012C Cerium based abrasive material and method for producing cerium based abrasive material
11/17/2004EP1476397A1 Mixed-metal oxide particles by liquid feed flame spray pyrolysis of oxide precursors in oxygenated solvents
11/17/2004CN1176281C RE low-alloy cast steel node
11/16/2004US6818030 Mixing crystallization promoter with cerium compound and solvent to form mixture and subjecting mixture to hydrothermal treatment at 60-700 degrees c
11/11/2004WO2004096433A1 Adsorbent and process for producing the same
11/11/2004US20040223898 Hydroxylation of cerium, lanthanum and neodymium salts, then oxidizing in air to form metal oxides used in chemical mechanical polishing of substrates
11/10/2004CN1545544A Method for producing cerium-based polishing material and cerium-based polishing material produced by said method
11/10/2004CN1175509C Preparation method of lithium manganate
11/04/2004US20040219791 Method of manufacturing cerium-based polishing agent
11/04/2004US20040219087 Metal oxide powder and method for the production of the same
11/04/2004US20040218345 Products comprising nano-precision engineered electronic components
11/03/2004CN1543493A Cerium-based abrasive material and method for preparation thereof
11/02/2004US6811760 Inorganic acicular bodies and method for producing same
11/02/2004US6811758 Precipitation process
10/2004
10/28/2004WO2004092297A1 Cerium-based polishing material
10/28/2004WO2004085314A3 Composition based on cerium and zirconium oxides having a specific surface which is stable between 900 °c and 1000 °c, method for the production and use thereof as a catalyst
10/27/2004CN1539747A Chemical coprecipitation method for synthesizing powder material of terrae rare salt of normal niobic acid
10/27/2004CN1539739A Chemical coprecipitation method for synthesizing, powder material of terrae rare salt of normal niobic acid
10/21/2004US20040208819 Forming a high-temperature stable calcined hexaaluminates by adding aluminium alkoxide into a water-in-oil emulsion comprising water soluble salt of alkaline earth or rare earth metal
10/21/2004US20040208811 Using a drop-generating orifice to prepare spherical pellets from a slurry; forming LaAl11O18 ceramic powders; porous catalyst or catalyst supports; uniform size
10/20/2004EP1468736A1 Photocatalyst exhibiting catalytic activity even in visible light region
10/20/2004CN1171828C Semitransparent ceramic product and its preparing method
10/20/2004CN1171780C Preparation method of multicrystal LiFePO4 powder having olivine structure
10/14/2004US20040203241 Chemical-mechanical planarization slurries and powders and methods for using same
10/12/2004US6803027 Molecular decomposition process for the synthesis of nanosize ceramic and metallic powders
10/12/2004US6802991 Method for preparing a CsX photostimulable phosphor and phosphor screens therefrom
10/07/2004WO2004085314A2 Composition based on cerium and zirconium oxides having a specific surface which is stable between 900 °c and 1000 °c, method for the production and use thereof as a catalyst
10/07/2004US20040198191 Cerium-based polish and cerium-based polish slurry
10/07/2004CA2519197A1 Composition based on cerium and zirconium oxides having a specific surface which is stable between 900 ·c and 1000 ·c, method for the production and use thereof as a catalyst
10/06/2004EP1464622A1 An oxygen storage material, comprising Cerium oxide and at least one other oxide of a metal, process for its preparation and its application in a catalyst
10/06/2004EP1351883B1 Mesostructured catalyst incorporating particles of nanometric dimensions
10/05/2004CA2455428C Production of cationically homogeneous refractory oxides of nanometer-scale particle size diameters at reduced temperatures
09/2004
09/30/2004US20040192947 Heterogeneity structure; mineral matrix ; active material containing rare earth element and transition metal; heat resistance; crystal structure
09/30/2004US20040191150 Producing high surface area catalysts; heat treating noble metal component with amorphous rare earth and transition metal precursors
09/29/2004EP1462428A2 Method of producing perovskite complex oxide and precursor substance used in the method
09/29/2004EP1462427A2 Perovskite complex oxide and method of producing the same
09/29/2004CN1532147A Process for preparing nano cerium dioxide
09/28/2004US6797850 Using a mixed oxide chromium catalyst
09/23/2004WO2004050558B1 Rare earth compositions and structures for removing phosphates from water
09/23/2004US20040186016 Oxygen storage material, process for its preparation and its application in a catalyst
09/23/2004US20040182954 Grinding, then wet processing after roasting; for polishing optical lenses
09/22/2004CN1167621C Prepn. of superfine RE oxide particle
09/16/2004WO2004016553B1 Rare earth metal compounds, methods of making, and methods of using the same
09/16/2004US20040180203 Nanomaterial compositions with distinctive shape and morphology
09/16/2004US20040178530 High volume manufacturing of nanoparticles and nano-dispersed particles at low cost
09/15/2004EP1457745A1 Rare earth metal oxysulfide cool storage material and cool storage device
09/15/2004CN1166747C Method for producing cerium abradant
09/09/2004US20040175597 Turbine components with thermal barrier coatings
09/09/2004US20040174917 Optically transparent nanocomposite materials
09/08/2004CN1165489C Cerium and zirconium oxides, mixed oxides and solid solutions having improved thermal stability for catalysis of exhaust gas systems and methods of producing
09/07/2004US6787861 Non-crystalline oxides for use in microelectronic, optical, and other applications
09/07/2004US6786950 High purity fine metal powders and methods to produce such powder
09/02/2004US20040171483 Process for production of compound oxides
09/02/2004US20040170820 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.
09/01/2004EP1452483A1 Process for production of compound oxides
08/2004
08/26/2004WO2004073021A2 Preparation of metal chalcogenides from reactions of metal compounds and chalcogen
08/26/2004WO2004072187A1 Surface-treated cerium oxide and composition
08/24/2004US6780393 Method of producing fine particles of metal oxide
08/24/2004US6780350 Metal-carbon composite powders, methods for producing powders and devices fabricated from same
08/19/2004US20040161474 Demetallization blood stream; gastrointestinal disorders
08/18/2004CN1522228A Preparation of single crystalline cerium oxide powder
08/18/2004CN1162558C Process for extracting and separating thorium and extracting rare earth chloride from sulfuric and phosphoric mixed acid system
08/18/2004CN1162499C Cerium based abrasive material, raw material thereof and method for their preparation
08/18/2004CN1162328C Manufacturing method of nano yttrium oxide powder
08/18/2004CN1162321C Amorphous La1-xSrxMnO3-5 compound and its prepn
08/17/2004US6776811 Performing x-ray diffraction analysis on cerium abrasive with cu k alpha 1 line as x-ray source, measuring and comparing ratios of intensity of various peaks to evaluate quality of abrasive relative to known abrasive
08/12/2004US20040156784 Paramagnetic nanoparticle
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