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Class Information
Number: 423/21.1
Name: Chemistry of inorganic compounds > Treating mixture to obtain metal containing compound > Rare earth metal (at. no. 21, 39, or 57-71)
Description: Processes in which the compound comprises one of the metals known as the "rare earth metals" and which has an atomic number of 21, 39, or 57-71, inclusive.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7598194 |
Oxynitride powder and production method thereof |
Oct. 6, 2009 |
| 7582276 |
Nanoscale rutile or anatase oxide and method for producing same |
Sep. 1, 2009 |
| 7572532 |
Oxide material and a fuel cell electrode containing said material |
Aug. 11, 2009 |
| 7566436 |
Counter current mixing reactor |
Jul. 28, 2009 |
| 7554098 |
Medical isotope generator systems |
Jun. 30, 2009 |
| 7527773 |
Rare earth oxide nanocrystals and methods of forming |
May. 5, 2009 |
| 7504085 |
Alumina-based perovskite catalysts and catalyst supports |
Mar. 17, 2009 |
| 7504356 |
Nanoparticles of cerium oxide having superoxide dismutase activity |
Mar. 17, 2009 |
| 7498005 |
Nanoparticles of rare earth oxides |
Mar. 3, 2009 |
| 7470297 |
Cerium-based abrasive and production process thereof |
Dec. 30, 2008 |
| 7435399 |
Chromatographic extraction with di(2-ethylhexyl)orthophosphoric acid for production and purification of promethium-147 |
Oct. 14, 2008 |
| 7368093 |
Process for preparing fused solid of europium halide |
May. 6, 2008 |
| 7361322 |
Ceric oxide and method for production thereof, and catalyst for exhaust gas clarification |
Apr. 22, 2008 |
| 7347983 |
Mg2MM'o 6+x, (M=Y, rare earth metal and M'=SN, OR Zr) dielectric ceramics |
Mar. 25, 2008 |
| 7341700 |
Method for recovery of metals from metal-containing materials using medium temperature pressure leaching |
Mar. 11, 2008 |
| 7318899 |
Method of separating isotopes |
Jan. 15, 2008 |
| 7279036 |
Process for preparation of inorganic colorants from mixed rare earth compounds |
Oct. 9, 2007 |
| 7247291 |
Nano sized sulfide compounds of cerium and a process for the preparation thereof |
Jul. 24, 2007 |
| 7229600 |
Nanoparticles of rare earth oxides |
Jun. 12, 2007 |
| 7195745 |
Method of preparing a product based on phosphate of thorium and/or actinide(s) |
Mar. 27, 2007 |
| 7182929 |
Nanostructured multi-component and doped oxide powders and method of making same |
Feb. 27, 2007 |
| 7147835 |
Oxide powder for dielectrics, method of manufacturing oxide powder for dielectrics, and multi-layer ceramic capacitor using the same |
Dec. 12, 2006 |
| 7141227 |
Apparatus and method for preparing cerium oxide nanoparticles |
Nov. 28, 2006 |
| 7132093 |
Mesoporous mixed oxide materials as a new class of SO.sub.2 resistant catalysts for hydrocarbon oxidation |
Nov. 7, 2006 |
| 7128840 |
Ultrasound enhanced process for extracting metal species in supercritical fluids |
Oct. 31, 2006 |
| 7125536 |
Nano-structured particles with high thermal stability |
Oct. 24, 2006 |
| 7122163 |
Rare-earth oxide or sulfide of nano size and process for producing the same through photochemical reaction |
Oct. 17, 2006 |
| 7122168 |
Shape anisotropic metal oxide nanoparticles and synthetic method thereof |
Oct. 17, 2006 |
| 7118727 |
Method of making oxide particles |
Oct. 10, 2006 |
| 7105138 |
Macroporous perovskite manganese oxides with highly ordered nano-pores and method of preparing the same |
Sep. 12, 2006 |
| 7101484 |
Sr-90/Y-90 radionuclide generator for production of high-quality Y-90 solution |
Sep. 5, 2006 |
| 7094383 |
Method for preparing pure, thermally stable and high surface area ceria |
Aug. 22, 2006 |
| 7090724 |
Langasite single crystal ingot, substrate for piezoelectric device and method for manufacture thereof, and surface acoustic wave device |
Aug. 15, 2006 |
| 7063792 |
Method for separating metals such as zirconium and hafnium |
Jun. 20, 2006 |
| 7049347 |
Method for making fine and ultrafine spherical particles of zirconium titanate and other mixed metal oxide systems |
May. 23, 2006 |
| 7025943 |
Method for preparation of nanometer cerium-based oxide particles |
Apr. 11, 2006 |
| 6835228 |
Process of recovering valuable metals from waste secondary batteries |
Dec. 28, 2004 |
| 6811758 |
Precipitation process |
Nov. 2, 2004 |
| 6806295 |
Sol-gel processing with inorganic metal salt precursors |
Oct. 19, 2004 |
| 6783855 |
Rare-earth-activated phosphors |
Aug. 31, 2004 |
| 6699617 |
Alkaline storage battery, hydrogen-absorbing alloy electrode and method for producing the same |
Mar. 2, 2004 |
| 6673143 |
Aqueous slurry of rare earth hydroxide particles |
Jan. 6, 2004 |
| 6667019 |
Rare earth oxide fluoride nanoparticles and hydrothermal method for forming nanoparticles |
Dec. 23, 2003 |
| 6656588 |
Ultrafine powders and their use as lasing media |
Dec. 2, 2003 |
| 6610152 |
Method for removing inorganic matter from solid surfaces |
Aug. 26, 2003 |
| 6582814 |
Rare earth-transition metal oxide pigments |
Jun. 24, 2003 |
| 6504077 |
Method for the decontamination of metallic surfaces |
Jan. 7, 2003 |
| 6500779 |
Molybdenum based oxidation catalysts |
Dec. 31, 2002 |
| 6478982 |
Ferrite magnet powder and magnet using the magnet powder, and method for preparing them |
Nov. 12, 2002 |
| 6468495 |
Treatment of molten salt reprocessing wastes |
Oct. 22, 2002 |
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