| Patents for C01D 1 - Oxides or hydroxides of sodium, potassium, or alkali metals in general (1,372) |
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| 03/16/2005 | EP1514846A1 Plasma synthesis of metal oxide nanoparticles |
| 03/16/2005 | EP1514845A1 Plasma synthesis of metal oxide nanoparticles |
| 03/16/2005 | CN1594090A Method for separating and recovering sodium arsenate and alkali by fractional crystallization method |
| 03/11/2005 | CA2481152A1 Plasma synthesis of metal oxide nanoparticles |
| 03/11/2005 | CA2481150A1 Plasma synthesis of metal oxide nanoparticles |
| 03/10/2005 | US20050053545 Methods for preparation from carbonate precursors the compounds of lithium transition metals oxide |
| 03/09/2005 | CN2683627Y Caustic soda pelletizing apparatus |
| 02/16/2005 | EP1506135A1 Synthesis of metal compounds useful as cathode active materials |
| 02/15/2005 | CA2131326C Production of cationically homogeneous refractory oxides of nanometer-scale particle size diameters at reduced temperatures |
| 01/26/2005 | CN1186264C Method of preparing chromium oxide using wet reducing potassium bichromate or sodium bichromate |
| 01/19/2005 | CN1185167C Layered lithium transition metal oxides free of localized cubic spinel-like structural phases and methods of making same |
| 01/18/2005 | US6844269 Etching method for semiconductor silicon wafer |
| 12/30/2004 | US20040265206 Porous potassium carbonate having special pore structure and method for its production |
| 12/29/2004 | CN1557708A Comprehensive process for recovering and treating indigo blue powder waste slag |
| 12/15/2004 | EP1485187A1 Regeneration of caustic solutions |
| 12/15/2004 | CN1554476A Research method and producing process for potassium ion enriching agent |
| 12/02/2004 | US20040241546 Method of producing secondary battery anode material, and secondary battery |
| 12/01/2004 | EP1482087A1 A process of recovering alkali from black liquor of papermaking |
| 10/27/2004 | CN2651227Y Liquid caustic sode evaporative concentrating apparatus |
| 10/12/2004 | CA2302751C Endothermic cooling agents |
| 10/05/2004 | CA2455428C Production of cationically homogeneous refractory oxides of nanometer-scale particle size diameters at reduced temperatures |
| 09/29/2004 | EP0969964B1 A thermal control device |
| 09/02/2004 | US20040170543 Using gas streams containing oxygen; oxidizer tower venting gases; circulation; compression |
| 07/14/2004 | CN1512966A Methods of making cesium salts and other alkali metal salts |
| 07/01/2004 | US20040125849 Recycling system for a chemical laser system |
| 07/01/2004 | US20040125848 Integrated dual source recycling system for chemical laser weapon systems |
| 06/23/2004 | EP1431419A2 Alkali metal hydroxide evaporator system |
| 06/15/2004 | CA2120582C Process for the fabrication of a bipolar membrane and process for the fabrication of an aqueous solution of an alkaline metal hydroxyde |
| 06/02/2004 | CN1500732A Method for preparing Lithium transition metal composite oxides from carbonate propodosoma |
| 05/06/2004 | EP1030944B1 Method and device for removal of soda melt from a soda recovery unit |
| 04/28/2004 | EP1414087A1 Method of producing secondary battery anode material, and secondary battery |
| 04/20/2004 | CA2129176C Process for treatment of sodium hydroxide waste liquor containing aluminum |
| 03/30/2004 | US6714579 Basic hydrogen peroxide recycling system for chemical oxygen-iodine lasers |
| 02/17/2004 | CA2292334C A process for production of amino acid hydrochloride and caustic via electrodialysis water splitting |
| 02/03/2004 | US6687279 Integrated dual source recycling system for chemical oxygen-iodine laser weapon systems |
| 01/02/2004 | EP1373141A1 Methods of making cesium salts and other alkali metal salts |
| 12/30/2003 | US6669837 Alkali metal hydroxide evaporator system |
| 12/17/2003 | CN1462079A Primary alkaline battery positire electrode material beta-NiOOH and its preparation technology |
| 12/09/2003 | US6660242 Alkaline earth metal ferrite and ferric oxide admixture |
| 12/04/2003 | WO2003099715A1 Synthesis of metal compounds useful as cathode active materials |
| 11/25/2003 | US6652820 Reacting cesium sulfate containing solution with lime to form solution comprising cesium hydroxide and residue comprising calcium sulfate; removing residue from solution; converting the cesium hydroxide in solution to cesium salt |
| 10/16/2003 | US20030194361 Feeding device and process and feeding system which utilise the feeding device |
| 10/08/2003 | CN1123537C Plate-frame filtering process for purifying turbid solution of natural soda |
| 09/16/2003 | US6620400 Lithium battery |
| 09/04/2003 | WO2003072224A1 Regeneration of caustic solutions |
| 08/20/2003 | CN1436894A Improved alkali recovering process from paper-making black liquor |
| 08/14/2003 | WO2003066961A1 A process of recovering alkali from black liquor of papermaking |
| 08/14/2003 | US20030152479 Corrosion inhibitor for protecting metallic materials in strongly alkaline medium |
| 08/13/2003 | EP1335041A1 Corrosion inhibitor for metallic materials in highly alkaline media |
| 08/13/2003 | CN1435511A Corrosion inhibitor for protecting metal material in strong base medium |
| 07/29/2003 | CA2417354A1 Corrosion inhibitor for protecting metallic materials in strongly alkaline medium |
| 07/17/2003 | US20030134200 Positive electrode active material and nonaqueous electrolyte secondary cell |
| 07/08/2003 | US6589499 Layered lithium cobalt oxides free of localized cubic spinel-like structural phases and method of making same |
| 07/03/2003 | US20030122102 Alkaline earth metal ferrite and ferric oxide admixture |
| 06/04/2003 | CN1421403A Water treatment agent |
| 06/04/2003 | CN1110451C Process for preparing both sodium hydroxide and sodium sulfate by secondary causticization of mother liquid from natural alkali carbonization |
| 05/07/2003 | CN1415540A Method for removing sulfate ion from solution containing sodium chloride with high concentration |
| 04/29/2003 | US6554990 Process for the manufacture of alkali metal hydroxide |
| 04/23/2003 | EP1137598B1 Layered lithium metal oxides free of localized cubic spinel-like structural phases and methods of making same |
| 04/22/2003 | US6551803 Purifying amino acids obtained by fermentation using a 3-cycle electrodialysis with bipolar membranes and the amino acid is obtained as free amino acid |
| 04/16/2003 | CN1410357A Method of preparing chromium oxide using wet reducing potassium bichromate or sodium bichromate |
| 02/13/2003 | WO2003012899A1 Method of producing secondary battery anode material, and secondary battery |
| 01/09/2003 | US20030008504 Etchant, etching method and semiconductor silicon waffer |
| 12/25/2002 | CN1387458A Method for purification of amino acid contg. solutions by electrodialysis |
| 11/19/2002 | US6482305 Electrodialysis water splitting process |
| 10/17/2002 | US20020150530 Layered lithium metal oxides free of localized cubic spinel-like structural phases and methods of making same |
| 10/10/2002 | WO2002079089A1 Methods of making cesium salts and other alkali metal salts |
| 10/09/2002 | CN1092145C Process for preparation of superfine aluminium hydroxide |
| 10/03/2002 | US20020143209 Reacting cesium sulfate containing solution with lime to form solution comprising cesium hydroxide and residue comprising calcium sulfate; removing residue from solution; converting the cesium hydroxide in solution to cesium salt |
| 09/25/2002 | CN1091426C Method for removing iron ions from soda lye |
| 09/18/2002 | CN1369436A Process for treating alkaline sewage |
| 09/18/2002 | CN1091085C Process for recovering nitrogen-contained organic alkali |
| 09/04/2002 | EP1235636A1 Method for purification of amino acid containing solutions by electrodialysis |
| 09/03/2002 | US6444107 Method and device for the simultaneous production of acid and base of high purity |
| 08/28/2002 | CN1365958A Process for preparing K fertilizer (K salt) from K-enriched rock and lime by hydrothermal method |
| 08/28/2002 | CN1365957A Process for preparing K fertilizer or K salt from K-enriched rock and lime by hydrothermal method |
| 08/28/2002 | CN1089728C Process for treatment of sodium hydroxide waste liquor containing aluminium |
| 08/14/2002 | EP0969964A4 A thermal storage and transfer device |
| 07/24/2002 | CN2501869Y Rotating cooling dish type sodium hydroxide tablet making machine |
| 06/06/2002 | US20020067753 Integrated dual source recycling system for chemical laser weapon systems |
| 06/06/2002 | US20020067752 Recycling system for a chemical laser system |
| 05/10/2002 | WO2002036709A1 Pressure control fluid for high pressure oil and gas well applications |
| 03/19/2002 | CA2245498C Lapping and polishing method and apparatus for planarizing photoresist and metal microstructure layers |
| 03/13/2002 | CN1080705C Process for lithium and cobalt oxides |
| 02/14/2002 | US20020018746 Layered lithium cobalt oxides free of localized cubic spinel-like structural phases and method of making same |
| 02/13/2002 | CN1335823A Layered lithium metal oxides free of localized cubic spinel-like structural phases and methods of making same |
| 02/07/2002 | US20020015887 Lithium battery |
| 02/06/2002 | EP1177344A1 Feeding device and process and feeding system which utilise the feeding device |
| 01/22/2002 | CA2092651C Method for producing alkaline metal hydroxide |
| 01/02/2002 | EP1168423A1 Etching solution, etching method, and semiconductor silicon wafer |
| 11/20/2001 | US6319845 Method of purifying alkaline solution and method of etching semiconductor wafers |
| 11/06/2001 | US6311630 Method and device for removal of soda melt from a soda recovery unit |
| 10/04/2001 | EP1137598A1 Layered lithium metal oxides free of localized cubic spinel-like structural phases and methods of making same |
| 09/25/2001 | US6294066 Apparatus and process for electrodialysis of salts |
| 09/11/2001 | US6287463 Collector cup |
| 08/16/2001 | US20010013471 Method and device for the simultaneous production of acid and base of high purity |
| 08/09/2001 | DE10004878A1 Verfahren und Vorrichtung zum gleichzeitigen Herstellen von Säure und Base hoher Reinheit Method and apparatus for the simultaneous production of acid and base of high purity |
| 08/08/2001 | EP1121970A2 Method and apparatus for the simultaneous production of high purity acids and bases |
| 07/18/2001 | CN1068562C Method for oxidation of at least one alkaline metal |
| 07/05/2001 | WO2001048803A1 Etching solution, etching method, and semiconductor silicon wafer |