Patents
Patents for C01B 9 - General methods of preparing halides (975)
10/2004
10/13/2004EP1465835A1 Preparation of non-hazardous brominating reagents
10/12/2004US6802901 Method of making high purity optical fluoride crystals
10/06/2004CN1169709C Prepn process of fluoride and nano composite fluoride particle
09/2004
09/15/2004EP1409400A4 Purification of gaseous inorganic halide
09/14/2004US6790419 Purification of gaseous inorganic halide
08/2004
08/11/2004EP1444387A1 Preparation of feedstock of alkaline earth and alkali metal fluorides
08/11/2004EP1444186A1 Process and plant for the heterogeneous synthesis of chemical compounds
08/11/2004CN1520378A Process for producing chlorine dioxide
08/03/2004US6770254 Purification of group IVb metal halides
07/2004
07/28/2004EP1440939A1 Method for the preparation of amorphous metal fluorides
07/28/2004CN1515529A All fluoride purifying method
07/28/2004CN1515527A All fluoride purifying method
07/28/2004CN1515488A Perfluorinate product purifying method
07/22/2004WO2004060806A1 Method for the preparation of high surface area metal fluorides
07/08/2004WO2004057043A1 Process for purifying inorganic materials
07/01/2004US20040126309 Method for producing metal fluoride materials
06/2004
06/30/2004CN1508063A Method for preparing waterfree alkali sulfide
06/24/2004DE10256531A1 Verfahren zur Herstellung von wasserfreiem Alkalisulfid A process for producing anhydrous alkali sulfide
06/17/2004WO2004050571A1 Method for reducing metal impurities in optical fiber soot preforms
06/10/2004US20040109818 Process for producing anhydrous alkali sulfide
06/10/2004US20040107596 Method and apparatus reducing metal impurities in optical fiber soot preforms
06/09/2004EP1426331A1 Process for the preparation of anhydrous alkali metal sulfide
05/2004
05/20/2004US20040097757 Method for fluorinating a compound comprising a halosulphonyl or dihalophosphonyl group
05/19/2004CN1498199A Process and plant for heterogeneous synthesis of chemical compounds
05/13/2004WO2004039732A2 Process for the production of metal fluoride materials
05/13/2004WO2004039721A1 Method for producing metal fluoride materials
05/13/2004CA2513386A1 Method for producing metal fluoride materials
05/13/2004CA2503883A1 Process for the production of metal fluoride materials
05/11/2004US6733738 Melt of aluminium or iron is reacted with chlorine gas to give gaseous metal halide, and this is subsequently reacted, in a second reaction step, with solid sodium chloride
04/2004
04/28/2004EP1411995A1 Stabilized bromine solutions, method of making and uses thereof for biofouling control
04/22/2004US20040075078 Method for producing highly pure solutions using gaseous hydrogen fluoride
04/21/2004EP1409774A2 Method of making high purity optical fluoride crystals
04/21/2004EP1409400A1 Purification of gaseous inorganic halide
04/21/2004CN1491300A Method for reducing oxygen component and carbon component in fluoride
04/15/2004WO2004031732A2 Nanocrystals in ligand boxes exhibiting enhanced chemical, photochemical, and thermal stability, and methods of making the same
04/14/2004CN1145582C Solvent thermosynthesizing process for compound fluoride
04/14/2004CN1145581C Process for synthesizing low-oxygen perovshite-type compound fluoride
04/01/2004US20040062696 Method for reducing oxygen component and carbon component in fluoride
03/2004
03/16/2004US6706211 Process for producing inorganic fine grains, inorganic fine grains, rare earth element-activated barium fluorohalide fluorescent substance, and radiation image conversion panel
03/10/2004EP1242638B8 A process for the recovery of copper from aqueous solutions containing iodinated organic compounds
02/2004
02/04/2004CN1137043C Process for purifying perfluorinated products
01/2004
01/14/2004EP1380675A1 Method for reducing oxygen component and carbon component in fluoride
12/2003
12/31/2003WO2004000439A1 Composition and method for reduction of persistent, bio-accumulative and toxic pollutants in carbochlorination processes
12/31/2003CA2487484A1 Composition and method for reduction of persistent, bio-accumulative and toxic pollutants in carbochlorination processes
12/30/2003US6669904 Stabilized bromine solutions, method of making and uses thereof for biofouling control
12/24/2003CN2594248Y Carbon monoxide fluorating reactor
12/18/2003WO2003104144A1 Method for producing highly pure anhydrous solutions containing hydrogen fluoride
12/09/2003US6660238 Contacting with inorganic hydroxides
11/2003
11/26/2003CN1458061A Process for extracting CaF2 and SiO2 from fluorite tailing and producing fluorosilicic acid further
11/25/2003US6653410 Kneading thermoplastic resin; hydrogenation of organohalogen compound; salt formation of metal halide from antimony or zinc compound
11/19/2003EP1242638B1 A process for the recovery of copper from aqueous solutions containing iodinated organic compounds
11/06/2003US20030205064 Optical fiber and method of producing
10/2003
10/22/2003CN1450203A Fine preparation process for high-purity nitrogen trifluoride gas
10/01/2003EP1347938A1 Method for fluorinating a compound comprising a halosulphonyl or dihalophosphonyl group
09/2003
09/25/2003WO2003078345A1 Metal fluoride in powder or granular form, method for the production thereof and determination of purity
09/16/2003US6620347 Solar blind optical filter; alkaline earth fluoride host material with lanthanide or actinide fluoride first dopant and nitride, oxide, boride, carbide or hydroxide second dopant
08/2003
08/05/2003US6602482 Separation of metal chlorides from their suspensions in chlorosilanes
07/2003
07/31/2003WO2003062143A1 Preparation of non-hazardous brominating reagents
07/24/2003WO2003059808A1 Method of preparing very pure silicon chloride and/or germanium chloride
07/23/2003EP1329418A2 Purification of Group IVb metal halides
07/17/2003US20030133861 Purification of group IVb metal halides
07/10/2003US20030129118 Extractive distillation
07/08/2003CA2222639C Metal and fluorine values recovery from fluoride salt matrices
06/2003
06/05/2003US20030103885 Preparation and purification of diborane
05/2003
05/28/2003CN1420080A Method for producing carbonyl fluoride
05/22/2003WO2003042143A1 Process and plant for the heterogeneous synthesis of chemical compounds
05/22/2003WO2003008674A3 Method of making high purity optical fluoride crystals
05/22/2003US20030095911 Process for producing carbonyl difluoride
05/21/2003CN1109007C Method for minimizing hydrogen halide corrosion in a partial oxidation process
05/20/2003US6564587 Method of producing an optical fiber by gathering material from a molten bath
05/15/2003US20030089304 Method of making high purity optical fluoride crystals
05/14/2003EP1310475A1 Process and plant for the heterogeneous synthesis of chemical compounds
05/14/2003EP1171385B1 Device and method for producing molten salts and use thereof
04/2003
04/23/2003CN1106205C Carbonization of halocarbons
04/17/2003WO2003031694A1 Preparation of feedstock of alkaline earth and alkali metal fluorides
04/17/2003US20030070606 Loading a fluoride raw material into a chamber, exposing to a gas flow of fluoride at a predetermined temperature and storing in dry atmosphere
03/2003
03/27/2003US20030057161 Using chelating resins for removing copper; displacing absorbed copper by treating resins with hydrochloric acid or sulfuric acid solutions; waste from iodine recovery by copper mineralization of X-ray contrast agent production solutions
03/20/2003WO2003023084A1 Fluoride sputtering target and method for preparation thereof
02/2003
02/20/2003WO2003014028A1 Method for selective separation of iodine ion, and method for producing alkali salt of iodine ion
02/13/2003WO2003011347A1 Stabilized bromine solutions, method of making and uses thereof for biofouling control
02/13/2003CA2455446A1 Stabilized bromine solutions, method of making and uses thereof for biofouling control
02/12/2003CN1396282A Equipment for preparing regenerated fluoride salt or alumina from waste of aluminium electrolysis
02/11/2003US6517796 Preparation and purification of diborane
02/06/2003WO2003009811A2 Processes and apparatus for the manufacture of polynuclear aluminum compounds and disinfectants, and polynuclear aluminum compounds and disinfectants from such processes and apparatus
02/06/2003CA2493605A1 Processes and apparatus for the manufacture of polynuclear aluminum compounds and disinfectants, and polynuclear aluminum compounds and disinfectants from such processes and apparatus
01/2003
01/30/2003WO2003008674A2 Method of making high purity optical fluoride crystals
01/29/2003CN1393418A Method for supplying fluoric acid
01/23/2003WO2003006367A1 Minimizing spatial-dispersion-induced birefringence
01/22/2003EP1277788A1 Method for treating resin composition
01/16/2003US20030012724 Minimizing spatial-dispersion-induced birefringence
01/09/2003US20030005552 Adding an inorganic compound to a solution, a solid which is substantially insoluble; promoting crystallization or precipitation in the solution; separating crystals or precipitate; quality image
01/03/2003WO2003000586A1 Process for producing chlorine dioxide
01/01/2003CN1388057A Prepn of fluoride and nano composite fluoride particle
12/2002
12/03/2002US6488769 Fluoride refining method and fluoride crystal manufacturing method, and optical part and aligner using same
11/2002
11/14/2002US20020166500 Calcium fluoride crystal and method and apparatus for producing the same
11/05/2002US6476968 Optical element
10/2002
10/01/2002US6458249 Process for purifying perfluorinated products
09/2002
09/25/2002EP1242638A1 A process for the recovery of copper from aqueous solutions containing iodinated organic compounds
09/19/2002US20020131913 Decomposing perfluorcompounds contained in a gas and sucking a discharged gas containing acid gases resulting from the decomposition of the perfluorocompounds by a jet stream of an injected gas, thereby ejecting the sucked gas
09/19/2002US20020131912 Method and apparatus for treating perfluorocompounds
1 2 3 4 5 6 7 8 9 10