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Class Information
Number: 423/3
Name: Chemistry of inorganic compounds > Treating mixture to obtain metal containing compound > Radioactive metal (at. no. 84+ or radioactive isotope of another metal) > Actinide series metal (at. no. 89+)
Description: Processes in which the radio-active compound comprises a metal of the actinide series, i.e., one having an atomic number of 89 or greater.


Sub-classes under this class:

Class Number Class Name Patents
423/20 Acid leaching 166
423/11 Forming insoluble substance in liquid 148
423/5 Fusing 38
423/6 Ion exchanging or sorbing 123
423/8 Liquid-liquid extracting 165
423/4 Removing cladding or coating from fuel element 40
423/19 Volatizing 66


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7622090 Method for separating uranium (VI) from actinides(IV) and/or actinides (VI) and its uses Nov. 24, 2009
7597862 Process for radioisotope recovery and system for implementing same Oct. 6, 2009
7569192 System for recovery of daughter isotopes from a source material Aug. 4, 2009
7554098 Medical isotope generator systems Jun. 30, 2009
7394074 Protective housing for radionuclide generator and combination thereof Jul. 1, 2008
7390934 Apparatus and method for aiding in the removal of enriched uranium from soils Jun. 24, 2008
7323032 Pyrochemical reprocessing method for spent nuclear fuel Jan. 29, 2008
7323153 Reprocessing method by fluoride volatility process using fractional distillation Jan. 29, 2008
7318899 Method of separating isotopes Jan. 15, 2008
7309473 Method for sulphurizing a UO.sub.2 powder and method for making nuclear fuel pellets based on UO.sub.2 or mixed oxide (U,Pu)O.sub.2 oxide with added sulphur Dec. 18, 2007
7294291 Ceramicrete stabilization of U-and Pu-bearing materials Nov. 13, 2007
7285247 Apparatus and method for operating a fuel reformer so as to purge soot therefrom Oct. 23, 2007
7208129 Reprocessing method by fluoride volatility process using solid-gas separation Apr. 24, 2007
7195745 Method of preparing a product based on phosphate of thorium and/or actinide(s) Mar. 27, 2007
7192563 Process for recovery of high purity uranium from fertilizer grade weak phosphoric acid Mar. 20, 2007
7169370 Method for co-precipitating actinides and method for preparing mixed actinide oxides Jan. 30, 2007
7157061 Process for radioisotope recovery and system for implementing same Jan. 2, 2007
7128840 Ultrasound enhanced process for extracting metal species in supercritical fluids Oct. 31, 2006
7087206 Multicolumn selectivity inversion generator for production of high purity actinium for use in therapeutic nuclear medicine Aug. 8, 2006
7063823 Depleted UF.sub.6 processing plant and method for processing depleted UF.sub.6 Jun. 20, 2006
6972414 Method and apparatus for production of 213Bi from a high activity 225Ac source Dec. 6, 2005
6960326 Method of separating uranium from irradiated nuclear fuel Nov. 1, 2005
6951634 Process for recovery of daughter isotopes from a source material Oct. 4, 2005
6800262 Method for making a uranium chloride salt product Oct. 5, 2004
6716353 Method for preparing high specific activity 177Lu Apr. 6, 2004
6652661 Radioactive decontamination and translocation method Nov. 25, 2003
6610152 Method for removing inorganic matter from solid surfaces Aug. 26, 2003
6605158 Radioactive decontamination and translocation method Aug. 12, 2003
6497769 Radioactive decontamination and translocation method Dec. 24, 2002
6471922 Actinide removal from spent salts Oct. 29, 2002
6461581 Clathrate compounds and manufacturing method thereof Oct. 8, 2002
6451274 Depleted UF6 processing plant and method for processing depleted UF6 Sep. 17, 2002
6436358 Metals removal from spent salts Aug. 20, 2002
6383458 Biooxidation process for recovery of metal values from sulfur-containing ore materials May. 7, 2002
6231683 Method for cleaning radioactively contaminated material May. 15, 2001
6228337 Method for reducing uranium trioxide May. 8, 2001
6187911 Method for separating metal chelates from other materials based on solubilities in supercritical fluids Feb. 13, 2001
6159435 Leaching of mineral ores Dec. 12, 2000
6153154 Method for sequential injection of liquid samples for radioisotope separations Nov. 28, 2000
6120706 Process for producing an aggregate suitable for inclusion into a radiation shielding product Sep. 19, 2000
6110437 Method for preparing a mixture of powdered metal oxides from nitrates thereof in the nuclear industry Aug. 29, 2000
6010671 Process for selective recovery of uranium from sludge Jan. 4, 2000
5874374 Method for producing engineered materials from salt/polymer aqueous solutions Feb. 23, 1999
5826163 Removal of technetium impurities from uranium hexafluoride Oct. 20, 1998
5809394 Methods of separating short half-life radionuclides from a mixture of radionuclides Sep. 15, 1998
5750081 Solvent extraction of metal containing species May. 12, 1998
5698483 Process for preparing nanosized powder Dec. 16, 1997
5650053 Electrorefining cell with parallel electrode/concentric cylinder cathode Jul. 22, 1997
5625862 Aqueous biphasic plutonium oxide extraction process with pH and particle control Apr. 29, 1997
5606724 Extracting metals directly from metal oxides Feb. 25, 1997

1 2 3 4


 
 
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