| Patents for C01B 9 - General methods of preparing halides (975) |
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| 09/19/2002 | DE10208157A1 Production of fluoride crystal for use in e.g., various optical elements, by dehydrating raw material of fluoride by heating crucible for accommodating raw material of fluoride, and exhausting inside gas of the crucible |
| 09/18/2002 | EP1240937A1 Method and apparatus for treating perfluorocompounds |
| 08/22/2002 | DE10107943A1 Verfahren zur Entbromierung von Chloriden Process for the debromination of chlorides |
| 08/21/2002 | EP1233000A1 Process for debromination of chlorides |
| 08/15/2002 | WO2002063076A1 Method for reducing oxygen component and carbon component in fluoride |
| 08/14/2002 | EP1030818B1 Process for purifying perfluorinated products |
| 08/14/2002 | CN1363511A Process for preparing fluorine compound and SiO2 from sodium fluosilicate |
| 07/31/2002 | EP1226028A1 Beads of polycrystalline alkali-metal or alkaline-earth metal fluoride, their preparation and their use |
| 07/11/2002 | WO2002053494A1 Method for fluorinating a compound comprising a halosulphonyl or dihalophosphonyl group |
| 07/10/2002 | CN1358213A Method for treaitng resin composition |
| 06/04/2002 | CA2259899C Method for minimizing hydrogen halide corrosion in a partial oxidation process |
| 05/29/2002 | EP0739228B1 Recycling of wafer cleaning substances |
| 05/01/2002 | CN1347390A Device and method for producing molten salts and use thereof |
| 04/24/2002 | EP1198417A1 Method and device for the continuous production of naalcl4 or nafecl4 |
| 04/23/2002 | US6375907 Conversion to hydrochloric acid; extracting energy from geothermal fluid; reduced emission of hydrogen sulfide from subterranean formations during production of natural gas or oils |
| 04/03/2002 | CN1342599A Solvent process for thermosynthesizing compound fluoride |
| 04/03/2002 | CN1342598A Process for synthesizing low-oxygen perovskite-type compound fluoride |
| 03/26/2002 | CA2243832C Cryogenic rectification system for recovery of fluorine compounds |
| 03/07/2002 | US20020028053 Optical fiber and method of producing |
| 03/06/2002 | EP1184339A2 Optical fibre and manufacturing processes for an optical fibre |
| 03/05/2002 | US6352676 Destroying fluorine and/or chlorine trifluoride by reaction with iron, nickel, copper, calcium, magnesium, manganese, cobalt and/or tin metal particles; fluorination, salt formation |
| 01/23/2002 | EP1174388A1 Separation of metal chlorides from their suspensions in chlorsilanes |
| 01/16/2002 | EP1171385A1 Device and method for producing molten salts and use thereof |
| 01/08/2002 | US6337057 Process for the direct production of germanium tetrachloride from hydrated germanate-containing solids using gaseous hydrogen chloride |
| 01/03/2002 | US20020001560 Process for purifying perfluorinated products |
| 01/03/2002 | DE10030252A1 Abtrennung von Metallchloriden aus deren Suspensionen in Chlorsilanen Separation of metal chlorides from their suspensions in chlorosilanes |
| 01/03/2002 | DE10030251A1 Abtrennung von Metallchloriden aus gasförmigen Reaktionsgemischen der Chlorsilan-Synthese Separation of metal chlorides from gaseous reaction mixtures of chlorosilane synthesis |
| 01/02/2002 | EP1166844A2 Separation of metal chlorides from gaseous reaction mixtures from chlorosilane synthesis |
| 12/20/2001 | US20010053345 Granulating or chemically treating a powdered inorganic salt containing an organic material, and then subjecting the material to heat treatment. |
| 12/20/2001 | US20010053343 Separation of metal chlorides from their suspensions in chlorosilanes |
| 12/20/2001 | US20010053339 Separation of metal chlorides from gaseous reaction mixtures from the synthesis of chlorosilane |
| 11/14/2001 | EP1153887A2 Process for the purification of inorganic salt containing organic material |
| 11/08/2001 | WO2001083601A1 Method for treating resin composition |
| 08/22/2001 | CN1309619A Preparation and purification of diborane |
| 08/21/2001 | US6277342 A support including at least one polymer sufficiently acidic to protonate the gas is contacted with the gas to protonate the gas to form a solid salt which is sorbed by the support. the gas is dispensed by deprotonation |
| 08/16/2001 | EP0746406B1 Method for surface-modifying a polymeric membrane, and resulting membrane |
| 08/07/2001 | US6270570 Fluoride crystal, optical article, and production method |
| 07/03/2001 | CA2088781C Preparation of anhydrous niobium and tantalum pentafluorides |
| 06/21/2001 | WO2001044521A1 A process for the recovery of copper from aqueous solutions containing iodinated organic compounds |
| 05/29/2001 | US6238642 From sulfur dioxide and elemental fluorine in the presence of an alkali fluoride and hydrogen fluoride. the preferred alkali fluoride is potassium fluoride. |
| 05/24/2001 | US20010001383 Producing fluoride crystal via adding scavenger to calcium fluoride raw material and refining, then growing a crystal by using a crucible lowering method; excimer lasers |
| 05/23/2001 | EP1100754A1 Method for producing uranium oxide from uranium tetrafluoride and a solid oxide compound |
| 04/25/2001 | EP0710297B1 Method of extracting fluorine from minerals or mineral species |
| 04/12/2001 | WO2001025145A1 Method for producing uranium oxide from uranium tetrafluoride and a phyllosilicate mineral |
| 04/04/2001 | EP1087906A1 Preparation and purification of diborane |
| 02/28/2001 | EP1078881A1 Storage and safe delivery of hazardous speciality gases by acid/base reactions with ionic polymers |
| 01/03/2001 | CN1278779A Process for purifying perfluorinated products |
| 12/27/2000 | EP1063200A1 Process for the direct production of germanium tetrachloride from hydrated germanate-containing solids using gaseous hydrogen chloride |
| 12/26/2000 | US6165434 Purification of diborane |
| 12/21/2000 | WO2000076915A1 Purification of gaseous inorganic halide |
| 12/07/2000 | WO2000073209A1 METHOD AND DEVICE FOR THE CONTINUOUS PRODUCTION OF NaAlCl4 OR NaFeCl¿4? |
| 11/30/2000 | DE19924495A1 Verfahren und Vorrichtung zur kontinuierlichen Herstellung von NaDCI¶4¶ Method and apparatus for the continuous production of NaDCI¶4¶ |
| 11/28/2000 | US6153164 Reacting uranium tetrafluoride and a phyllosilicate mineral containing a solid oxidizing agent within the mineral's structure having a lower thermodynamic stability than uranium oxide to produce uranium oxide and nonradioactive fluorides |
| 10/05/2000 | WO2000058219A1 Method for producing uranium oxide from uranium oxyfluoride |
| 09/28/2000 | WO2000056659A1 Device and method for producing molten salts and use thereof |
| 09/28/2000 | DE19913190A1 Vorrichtung und Verfahren zur Herstellung von Salzschmelzen sowie deren Verwendung Apparatus and method for preparation of salt melts, and their use |
| 09/28/2000 | CA2367958A1 Apparatus and process for the preparation of salt melts, and the use thereof |
| 08/30/2000 | EP1030818A1 Process for purifying perfluorinated products |
| 08/01/2000 | US6096281 Method for producing uranium oxide from uranium oxyfluoride |
| 07/12/2000 | CN1259515A Method for sulfonic acid fluorine |
| 06/21/2000 | CN1053635C Water-heating preparation process for fluoride and composite fluoride material under mild condition |
| 06/06/2000 | US6071327 Method of separating iodine gas |
| 06/06/2000 | CA2173378C Improved metal chloride generator and improved process for the production of metal chlorides used in the manufacture of titanium dioxide by the chloride process |
| 05/17/2000 | EP1000901A1 Method for producing sulfuryl fluoride |
| 05/11/2000 | WO2000026503A1 Hydrogen sulfide abatement |
| 05/03/2000 | EP0971785A4 Recovery of perfluorinated compounds and hydrofluorocarbon gases using molecular sieve membranes |
| 04/26/2000 | EP0995820A1 Fluoride refining method and fluoride crystal manufacturing method, and optical part and aligner using same |
| 04/19/2000 | EP0828689A4 Metal and fluorine values recovery from fluoride salt matrices |
| 04/13/2000 | DE19851999C1 Production of sulfuryl fluoride useful as insecticidal fumigant comprises reacting sulfur dioxide with fluorine in presence of alkali metal fluoride and liquid hydrogen fluoride |
| 03/29/2000 | CN1248963A Method for minimizing hydrogen halide corrosion in a partial oxidation process |
| 02/29/2000 | US6030433 Method for extracting metals from metal-containing materials by pyrohydrolysis |
| 02/16/2000 | CN1049407C Process for synthesizing fluoric lithium salt by airflow reaction |
| 01/19/2000 | EP0971785A1 Recovery of perfluorinated compounds and hydrofluorocarbon gases using molecular sieve membranes |
| 01/13/2000 | WO1999062823B1 Method for producing uranium oxide from uranium tetrafluoride and a solid oxide compound |
| 01/12/2000 | CN1240759A Process for preparing mixed chlorinated rare earth from bastnaesite |
| 12/15/1999 | CN1047363C Method for producing oxygen and hydrogen |
| 12/09/1999 | WO1999062823A1 Method for producing uranium oxide from uranium tetrafluoride and a solid oxide compound |
| 12/09/1999 | CA2334018A1 Method for producing uranium oxide from uranium tetrafluoride and a solid oxide compound |
| 12/04/1999 | CA2273187A1 Method of dehydration of chlorides |
| 11/30/1999 | CA2170657C Method of producing oxygen and hydrogen |
| 10/21/1999 | WO1999052817A1 Preparation and purification of diborane |
| 10/21/1999 | CA2327658A1 Preparation and purification of diborane |
| 10/20/1999 | EP0950041A1 Method for minimizing hydrogen halide corrosion in a partial oxidation process |
| 09/16/1999 | WO1999046223A1 Method and apparatus for direct fluorination of carbon or sulfur compounds |
| 06/29/1999 | US5918106 Method for producing uranium oxide and a non-radioactive fluorine compound from uranium tetrafluoride and a solid oxide compound |
| 05/26/1999 | EP0788395B1 Carbonization of halocarbons |
| 05/20/1999 | CA2306800A1 Process for purifying perfluorinated products |
| 04/15/1999 | DE19847109A1 Separation of iodine containing gas from hydrogen iodide |
| 03/31/1999 | CN1212171A Cryogenic rectification system for recovery of fluorine compounds |
| 03/09/1999 | US5881359 Metal and fluorine values recovery from fluoride salt matrices |
| 02/24/1999 | EP0898135A1 Cryogenic rectification system for recovery of fluorine compounds |
| 12/08/1998 | US5846428 Method for modifying the surface of a polymer membrane, and a membrane thus modified |
| 11/24/1998 | US5840266 Dehydration of fluoride mixtures |
| 11/11/1998 | CN1040638C High-temp chlorination refining process for natural graphite and reaction furnace therefor |
| 11/03/1998 | US5830424 Leachate contains metals that form fluorides |
| 10/28/1998 | CN1040417C Method for regeneration of hydrochloric soaked agent from hydrochloric soaked liquid |
| 10/27/1998 | CA2116468C Recycling of spent pot linings |
| 10/07/1998 | EP0869203A2 Fluoride crystal, optical article, and production method |
| 08/04/1998 | US5788948 Salt formation; reacting metal fluoride and alkali fluoride in water or aqueous hydrogen fluoride |
| 07/30/1998 | WO1998032521A1 Recovery of perfluorinated compounds and hydrofluorocarbon gases using molecular sieve membranes |