Patents for C01D 17 - Rubidium, caesium, or francium compounds (266) |
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07/14/2004 | CN1512966A Methods of making cesium salts and other alkali metal salts |
07/13/2004 | CA2176744C Method of preparing a caesium and rubidium salt solution |
05/19/2004 | EP1171384A4 Proton conducting membrane using a solid acid |
05/13/2004 | WO2004027783A3 Method of confining caesium and/or rubidium in sintered ceramic matrices based on expanded perlite, matrices used and products thus obtained |
04/07/2004 | CN1486643A Cigarette Processing method for lowering benzo[a] pyrene content in smoke |
04/07/2004 | CN1486642A Method of optimizing tobacco leaf as upper tobacco material |
04/01/2004 | WO2004027783A2 Method of confining caesium and/or rubidium in sintered ceramic matrices based on expanded perlite, matrices used and products thus obtained |
01/02/2004 | EP1373141A1 Methods of making cesium salts and other alkali metal salts |
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 |
08/06/2003 | CN1117030C Adsorbent for cesium ion and method or making and using |
07/30/2003 | EP0819098B1 Process for the production of cesium compounds |
07/24/2003 | US20030139281 Immobilization, confining radioactive material |
05/21/2003 | CN1108985C Preparation method of lithium hexafluorophosphate |
04/23/2003 | CN1106345C Method for production of cesium salt |
01/09/2003 | US20030008190 For use in electrochemical device; electroconductivity; impermeable to fluids such as gas and water, can operate without hydration |
11/06/2002 | EP1254942A2 Drilling fluid containing caesium compounds |
10/24/2002 | US20020156321 Passing fluorine and carbon dioxide through a fluorination catalyst |
10/22/2002 | US6468684 Proton conducting membrane using a solid acid |
10/10/2002 | WO2002079089A1 Methods of making cesium salts and other alkali metal salts |
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 |
09/18/2002 | EP0909447B1 method for producing nickel or cobalt hexacyanoferrates |
08/20/2002 | US6436879 Drilling fluid of cesium formate having a substantially reduced level of divalent and multivalent cation impurities and sulfate and chloride ions |
05/14/2002 | US6387340 Manufacturing method for lithium hexafluoro phosphate |
04/10/2002 | CN1082383C Process for separating cesium from industrial streams contg. other alkali metals using poly(hydroxyarylene) polymeric resins |
04/09/2002 | CA2204112C Processes for separating cesium from industrial streams containing other alkali metals using poly(hydroxyarylene) polymeric resins |
04/03/2002 | EP0789608B1 Processes for separating cesium from industrial streams containing other alkali metals using poly(hydroxyarylene) polymeric resins |
02/27/2002 | EP1181246A1 Method for activating mineral fluoride in an organic medium |
01/16/2002 | EP1171384A2 Proton conducting membrane using a solid acid |
10/18/2001 | WO2000045447A9 Proton conducting membrane using a solid acid |
05/29/2001 | CA2149138C Process of preparing a caesium and rubidium salt solution having a high density |
04/12/2001 | WO2000045447A8 Proton conducting membrane using a solid acid |
04/10/2001 | US6214234 Using aqueous solution of hexacyanoferrate salt |
04/10/2001 | CA2161245C Process of preparing cesium salts from cesium-aluminum-alum |
11/16/2000 | WO2000045447A3 Proton conducting membrane using a solid acid |
10/05/2000 | WO2000058215A1 Method for activating mineral fluoride in an organic medium |
10/05/2000 | CA2366448A1 Method for activating mineral fluoride in an organic medium |
08/23/2000 | CN1055677C Method of preparing caesium salts from caesium aluminium alum |
08/16/2000 | CN1263047A Preparation method of lithium hexafluorophosphate |
08/03/2000 | WO2000045447A2 Proton conducting membrane using a solid acid |
07/25/2000 | US6093664 Adsorbent for metal ions and method of making and using |
07/13/2000 | DE19963399A1 Production of lithium hexafluorophosphate useful in lithium ion secondary battery or lithium polymer battery uses anhydrous hydrogen fluoride dried with fluorine gas in reaction with phosphorus pentachloride and lithium chloride |
06/07/2000 | EP0885169B1 Adsorbent for cesium ion and method of making and using |
06/06/2000 | CA2188723C Thermally-driven ion-exchange process for lithium recovery |
04/04/2000 | US6046131 Method for the preparation of a cesium-separating sorbent |
01/18/2000 | US6015535 Process for producing purified cesium compound from cesium alum |
11/10/1999 | CN1046253C Method for preparing caesium and ribidium salt solution |
08/31/1999 | US5945037 Optical polarizer material |
08/10/1999 | US5935380 Spray-drying a solution or slurry comprising (alkali metal or ammonium) (metal) hexacyanoferrate particles in a liquid, to provide monodisperse, substantially spherical particles in a yield of at least 70 percent of theoretical yield |
07/27/1999 | CA2015057C Recovery of cesium chloride from pollucite ore |
07/20/1999 | US5926687 Crown calix |4| arenes, their preparation process and their use for the selective extraction of cesium and actinides |
06/08/1999 | US5910294 Ozone depleting nitrogen difluoride removed from gas in form of metal halides, carbon dioxide and nitrogen gas |
05/04/1999 | US5900221 Process of preparing a solution of cesium and rubidium salts |
04/21/1999 | EP0909447A1 Method for cesium removal from radioactive waste liquids and method for producing hexacyanoferrates |
04/14/1999 | CN1214026A Adsorbent for cesium ion and method or making and using |
02/23/1999 | US5875407 Method for synthesizing pollucite from chabazite and cesium chloride |
12/23/1998 | EP0885169A1 Adsorbent for cesium ion and method of making and using |
11/10/1998 | US5833844 Thermally-driven ion-exchange process for lithium recovery |
10/21/1998 | EP0789608A4 Processes for separating cesium from industrial streams containing other alkali metals using poly(hydroxyarylene) polymeric resins |
08/04/1998 | US5789496 Contacting with phenol-formaldehyde polymers for salt formation and as ligands |
07/01/1998 | CN1186480A Production of cesium compounds |
06/10/1998 | CN1038668C Process for producing a caesium and rubidium salt solution with high density |
01/21/1998 | EP0819098A1 Process for the production of cesium compounds |
01/07/1998 | EP0695286B1 Method of preparing caesium salts from caesium aluminium alum |
12/31/1997 | WO1997050092A1 Method for cesium removal from radioactive waste liquids and method for producing hexacyanoferrates |
12/16/1997 | US5698169 Methods and agents for the extraction of cesium and strontium from nuclear waste |
11/12/1997 | CN1164830A Process for separating cesium from industrial streams containing other alkali metals using poly(hydroxyarylene) polymeric resins |
10/28/1997 | US5681477 Variations in temperature |
10/01/1997 | EP0695304B1 Calix[4]arene crown ethers, method for preparing same, and use thereof for the selective extraction of caesium and actinides |
09/12/1997 | WO1997032816A1 Adsorbent for cesium ion and method of making and using |
09/09/1997 | US5666642 Extraction of cesium and strontium ions from nuclear waste |
09/09/1997 | US5666641 Preparation and use of polymeric materials containing hydrophobic anions and plasticizers for separation of cesium and strontium |
08/27/1997 | CN1157800A Thermally-driven ion-exchange process for lithium recovery |
08/20/1997 | EP0789608A1 Processes for separating cesium from industrial streams containing other alkali metals using poly(hydroxyarylene) polymeric resins |
08/12/1997 | US5656702 Water pollution control |
05/02/1997 | EP0770427A2 Thermally-driven ion-exchange process for lithium recovery |
05/02/1997 | EP0668845B1 Process for producing a high-density caesium and rubidium salt solution |
04/09/1997 | EP0729438B1 Method of preparing a caesium and rubidium salt solution |
04/03/1997 | WO1996039702A3 Methods and agents for the extraction of cesium and strontium from nuclear waste |
02/25/1997 | US5605669 Reacting cesium aluminum alum with calcium hydroxide and a calcium salt |
02/11/1997 | US5603074 Preparation and use of tetra-alkyl cobalt dicarbollide for extraction of cesium and strontium into hydrocarbon solvents |
02/11/1997 | US5601722 Converting anion exchange resin to hexacyanoferrate/ii/ form, washing with water, adding aqueous copper salt solution to form insoluble copper hexacyanoferrate in pores, oxidizing, reducing in presence of monovalent cations, copper ions |
01/14/1997 | US5593650 Method for producing a high-density saline cesium and rubidium solution |
12/12/1996 | WO1996039702A2 Methods and agents for the extraction of cesium and strontium from nuclear waste |
12/03/1996 | US5580490 Crystallites of cerium/lanthanum/terbium phosphates from insoluble rare earth salts |
11/20/1996 | CN1136306A Method of preparing a caesium and ribidium salt solution |
10/24/1996 | WO1996033132A1 Extraction of cesium and strontium ions from nuclear waste |
10/10/1996 | WO1996031435A1 Process for the production of cesium compounds |
09/04/1996 | EP0729438A1 Method of preparing a caesium and rubidium salt solution |
05/17/1996 | WO1996014125A1 Processes for separating cesium from industrial streams containing other alkali metals using poly(hydroxyarylene) polymeric resins |
05/01/1996 | CN1121705A Method of preparing caesium salts from caesium aluminium alum |
04/09/1996 | US5505924 Multistage countercurrent recrystallization process and apparatus for performing same |
02/07/1996 | EP0695304A1 Calix 4 arene crown ethers, method for preparing same, and use thereof for the selective extraction of caesium and actinides |
02/07/1996 | EP0695286A1 Method of preparing caesium salts from caesium aluminium alum |
10/24/1995 | US5460980 Process for forming a phosphor |
08/30/1995 | EP0668845A1 Process for producing a high-density caesium and rubidium salt solution. |
06/14/1995 | DE4342219A1 X=ray image intensifier |
05/26/1995 | WO1995013986A1 Method of preparing a caesium and rubidium salt solution |
04/05/1995 | CN1101079A Process of preparing a caesium and rubidium salt solution having a high density |
03/29/1995 | EP0645778A1 Process for forming a phosphor |
03/28/1995 | CA2131243A1 Process for forming a phosphor |