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Class Information
Number: 423/658.5
Name: Chemistry of inorganic compounds > Extracting, leaching, or dissolving
Description: Processes for extracting, leaching or dissolving of a product not provided for above.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7410632 |
Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid |
Aug. 12, 2008 |
| 7390468 |
Extraction process |
Jun. 24, 2008 |
| 7374732 |
Leaching process |
May. 20, 2008 |
| 7351396 |
Extraction process for removal of impurities from an aqueous mixture |
Apr. 1, 2008 |
| 7309474 |
Composition and process |
Dec. 18, 2007 |
| 7282187 |
Recovery of metal values |
Oct. 16, 2007 |
| 7250185 |
Process for reducing the concentration of undesired compounds in a composition |
Jul. 31, 2007 |
| 7217400 |
Preparation of iron compounds by hydrothermal conversion |
May. 15, 2007 |
| 7100994 |
Producing hydrocarbons and non-hydrocarbon containing materials when treating a hydrocarbon containing formation |
Sep. 5, 2006 |
| 7041152 |
Method for processing elemental sulfur-bearing materials using high temperature pressure leaching |
May. 9, 2006 |
| 7037482 |
Solvent extraction of a halide from a aqueous sulphate solution |
May. 2, 2006 |
| 6997518 |
In situ thermal processing and solution mining of an oil shale formation |
Feb. 14, 2006 |
| 6884911 |
Material processing by repeated solvent expansion-contraction |
Apr. 26, 2005 |
| 6852495 |
Process of extracting nucleic acid and process of simultaneously carrying out extraction and purification of nucleic acid |
Feb. 8, 2005 |
| 6843976 |
Reduction of zinc oxide from complex sulfide concentrates using chloride processing |
Jan. 18, 2005 |
| 6773668 |
Detergent dispenser |
Aug. 10, 2004 |
| 6649205 |
Solvent extraction |
Nov. 18, 2003 |
| 6635232 |
Method of chemically decontaminating components of radioactive material handling facility and system for carrying out the same |
Oct. 21, 2003 |
| 6608001 |
Catalyst and method of making micrometer sized spherical particles |
Aug. 19, 2003 |
| 6537440 |
Processing copper sulphide ores |
Mar. 25, 2003 |
| 6504077 |
Method for the decontamination of metallic surfaces |
Jan. 7, 2003 |
| 6497745 |
Method for processing elemental sulfur-bearing materials using high temperature pressure leaching |
Dec. 24, 2002 |
| 6497849 |
Synthesis of heteropolyacids |
Dec. 24, 2002 |
| 6491892 |
Method for the extraction of a substance from a starting material |
Dec. 10, 2002 |
| 6432871 |
Process for manufacturing a catalyst body for generating hydrogen and a catalyst body for generating hydrogen |
Aug. 13, 2002 |
| 6379919 |
Method for isolating thiocyanate resistant bacteria |
Apr. 30, 2002 |
| 6375923 |
Processing titaniferous ore to titanium dioxide pigment |
Apr. 23, 2002 |
| 6333012 |
Process for producing ammonium metavanadate |
Dec. 25, 2001 |
| 6306195 |
Process for the preparation of high grade synthetic rutile and pig iron |
Oct. 23, 2001 |
| 6284207 |
Process for producing high surface area material by controlled leaching of blast furnace slag |
Sep. 4, 2001 |
| 6224847 |
Process for the extraction of a compound by a fluorocarbon compound |
May. 1, 2001 |
| 6214088 |
Immobilized bioreactor method for sulphidic minerals and other particulate solids |
Apr. 10, 2001 |
| 6197210 |
Process for treating brass components to substantially eliminate leachabale lead |
Mar. 6, 2001 |
| 6183710 |
Sodium cyanide paste composition |
Feb. 6, 2001 |
| 6183720 |
Process and apparatus for producing high-purity chemicals for the microelectronics industry |
Feb. 6, 2001 |
| 6153535 |
Method for removing a thin film for a window glass |
Nov. 28, 2000 |
| 6126720 |
Method for smelting noble metal |
Oct. 3, 2000 |
| 6042794 |
Process for producing anhydrous MgCl.sub.2 |
Mar. 28, 2000 |
| 6033637 |
Method for treating combustion ashes |
Mar. 7, 2000 |
| 6022991 |
Hydrogen-free regeneration of dithiophosphorus metal extractants |
Feb. 8, 2000 |
| 6001327 |
Sealed-bladdered chemical processing method and apparatus |
Dec. 14, 1999 |
| 5997833 |
Apparatus and process for purifying highly impure calcium hydroxide and for producing high-value precipitated calcium carbonate and other calcium products |
Dec. 7, 1999 |
| 5989508 |
Liquid medium extraction purification method |
Nov. 23, 1999 |
| 5882527 |
Method of accelerating the dissolution rate of accumulated filter cake by channeling gas bubbles through the cake |
Mar. 16, 1999 |
| 5877270 |
Water solvent extraction degreasing method and molded products produced therewith |
Mar. 2, 1999 |
| 5846500 |
Process for purifying highly impure calcium hydroxide and for producing high-value precipitated calcium carbonate and other calcium products |
Dec. 8, 1998 |
| 5830424 |
Method of extracting fluorine from minerals or mineral species |
Nov. 3, 1998 |
| 5759512 |
Regeneration of dithiophosphorus acid metal extractants |
Jun. 2, 1998 |
| 5744107 |
Process for removing heavy metals from soil |
Apr. 28, 1998 |
| 5682593 |
Extraction of acids and metal salts from aqueous solutions with diethyl dodecylphosphonate |
Oct. 28, 1997 |
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