| Patents for C01B 9 - General methods of preparing halides (975) |
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| 07/30/1998 | CA2275960A1 Recovery of perfluorinated compounds and hydrofluorocarbon gases using molecular sieve membranes |
| 06/30/1998 | US5771713 Cryogenic rectification system for recovery of fluorine compounds |
| 06/23/1998 | US5769906 Process for recovering the salt constituents from hardening-shop salt baths |
| 05/20/1998 | EP0739228A4 Recycling of wafer cleaning substances |
| 04/16/1998 | CA2267976A1 Strain sensor and system |
| 04/08/1998 | EP0834177A1 Producing halogenated products from metal halide feeds |
| 04/01/1998 | EP0764137B1 Method for extracting metals from metal-containing materials by pyrohydrolysis |
| 04/01/1998 | CN1177568A Water-heating preparation method for fluoride and composite fluoride material under mild condition |
| 03/18/1998 | EP0828689A1 Metal and fluorine values recovery from fluoride salt matrices |
| 02/10/1998 | US5717149 Method for producing halogenated products from metal halide feeds |
| 01/28/1998 | CN1171368A Process for synthesizing fluoric lithium salt by airflow reaction |
| 01/22/1998 | WO1998002402A1 Method for minimizing hydrogen halide corrosion in a partial oxidation process |
| 01/20/1998 | US5709791 Reacting water with halogen to produce oxygen and hydrogen halide using activated carbon catalyst |
| 11/04/1997 | US5683669 Metal chloride generator and improved process for the production of metal chlorides used in the manufacture of titanium dioxide by the chloride process |
| 10/08/1997 | CN1161655A Carbonization of halocarbons |
| 09/30/1997 | CA2015591C Method for regulating reaction temperature |
| 09/23/1997 | CA2115576C Generation of fluorine via thermal plasma decomposition of metal fluoride |
| 08/13/1997 | EP0788395A1 Carbonization of halocarbons |
| 05/27/1997 | US5632866 Purification |
| 04/09/1997 | EP0767140A1 Process for the recovery of salt components from hardening salt baths |
| 04/07/1997 | CA2187053A1 Process for recovering the salt constituents from hardening-shop salt baths |
| 03/26/1997 | EP0764137A1 Method for extracting metals from metal-containing materials by pyrohydrolysis |
| 03/05/1997 | EP0710297A4 Method of extracting fluorine from minerals or mineral species |
| 03/04/1997 | US5607619 Leaching gold, silver, platinum and palladium |
| 02/26/1997 | CN1143603A Method for producing oxygen and hydrogen |
| 02/04/1997 | US5599588 Hydrolyzing a homogeneous solution of an alkaline earth or rare earth haloalkoxide in an anhydrous solvent; low temperature |
| 01/29/1997 | EP0606447B1 Method for producing tetrafluorosilane and aluminum fluoride by hydrofluoric acid digestion of silica/alumina matrix |
| 12/27/1996 | EP0598801B1 Generation of fluorine via thermal plasma decomposition of metal fluoride |
| 12/17/1996 | US5585080 Oxidizing iron(ii) chloride; liquid-liquid extraction; stripping; evaporation; precipitation |
| 12/12/1996 | WO1996039703A1 Producing halogenated products from metal halide feeds |
| 12/11/1996 | EP0746406A1 Method for surface-modifying a polymeric membrane, and resulting membrane |
| 12/11/1996 | EP0562059B1 Scrubbing of gaseous fluorides from process exhausts |
| 12/05/1996 | WO1996038380A1 Metal and fluorine values recovery from fluoride salt matrices |
| 10/30/1996 | EP0739228A1 Recycling of wafer cleaning substances |
| 10/23/1996 | EP0738685A2 Metal chloride generator |
| 10/23/1996 | EP0543909B1 Preparation of anhydrous niobium and tantalum pentafluorides |
| 09/24/1996 | US5559069 Catalysts for halogenated hydrocarbon processing, their precursors and their preparation and use |
| 09/04/1996 | EP0729914A2 Method for producing oxygen and hydrogen |
| 08/20/1996 | US5547653 Carbonization of halocarbons |
| 07/10/1996 | CN1126174A Method for prepn. of hyrobromic acid |
| 05/30/1996 | WO1996015847A1 Method for surface-modifying a polymeric membrane, and resulting membrane |
| 05/30/1996 | DE4442077A1 Purificn. of halide such as alkali(ne earth) or rare earth halide |
| 05/29/1996 | EP0713840A1 Process for preparing metal halides by the sol-gel method |
| 05/14/1996 | US5516496 Converting feed materials of high mineral content and substantial radioactivity levels to concentrated radionuclide products of high radioactivity levels and to other products of low radioactivity levels |
| 05/08/1996 | EP0710297A1 Method of extracting fluorine from minerals or mineral species |
| 05/02/1996 | WO1996012527A1 Carbonization of halocarbons |
| 01/24/1996 | CN1115267A Ba mud, its coproducts such as barium sulfate, magnesium carbonate, refined salt or ammonium chloride, Ba brick and other products |
| 12/14/1995 | WO1995033686A1 Method for extracting metals from metal-containing materials by pyrohydrolysis |
| 12/07/1995 | WO1995032799A1 Catalysts for halogenated hydrocarbon processing, their precursors and their preparation and use |
| 11/28/1995 | US5470559 Treatment with sodium hydroxide |
| 10/04/1995 | EP0675077A2 Method for recovering metal chlorides from silicon or ferrosilicon alloys which have been reacted with chlorinating agents |
| 09/08/1995 | WO1995023764A1 NEW PHASES OF NH4AlF4 AND AlF¿3? |
| 07/20/1995 | WO1995019211A1 Recycling of wafer cleaning substances |
| 05/23/1995 | US5417954 Heating pyridinium tetrafluoroaluminate with formamide; crystal structure |
| 03/28/1995 | US5401820 Olefin polymers prepared by polymerization with treated alumina supported chromium |
| 03/08/1995 | CN1099721A High concentration fluoboric acid producing method |
| 01/12/1995 | WO1995001460A1 Method of extracting fluorine from minerals or mineral species |
| 01/10/1995 | US5380557 Carbon fluoride compositions |
| 01/05/1995 | DE4420670A1 Process for the preparation of (11C)methyl iodide |
| 11/09/1994 | CN1094695A High-temp chlorination refining process for natural graphite |
| 08/24/1994 | EP0606447A4 Method for producing tetrafluorosilane and aluminum fluoride by hydrofluoric acid digestion of silica/alumina matrix. |
| 07/27/1994 | EP0608087A2 Dehydration of fluoride mixtures |
| 07/20/1994 | EP0606447A1 Method for producing tetrafluorosilane and aluminum fluoride by hydrofluoric acid digestion of silica/alumina matrix. |
| 07/20/1994 | CA2113707A1 Dehydration of mixtures |
| 07/05/1994 | US5326432 Method of producing magnesium chloride hexahydrate and other alkaline earth salts |
| 06/29/1994 | CN1088544A Regeneration of hydrochloric acid |
| 06/08/1994 | EP0543009B1 Process for purifying nitrogen trifluoride gas |
| 02/02/1994 | EP0580780A1 Inorganic perbromide compositions and methods of use thereof |
| 01/20/1994 | WO1994001364A1 Method for producing tetrafluorosilane and aluminum fluoride by hydrofluoric acid digestion of silica/alumina matrix |
| 01/20/1994 | CA2116557A1 Method for producing tetrafluorosilane and aluminum fluoride by hydrofluoric acid digestion of silica/alumina matrix |
| 01/11/1994 | US5277889 Method for depositing pure metal halide compositions |
| 12/21/1993 | US5271956 Method of forming ternary metal fluoride films by the decomposition of metallo-organic compounds in the presence of a fluorinating agent |
| 11/09/1993 | CA1324090C Method and apparatus for treating process gases |
| 10/20/1993 | EP0565845A1 Process for treating an unorganic polluted hydrochloride acid from off gas scubbing |
| 10/05/1993 | CA1322649C Recovery of fluoride values from waste materials |
| 09/29/1993 | EP0562059A1 Scrubbing of gaseous fluorides from process exhausts. |
| 09/07/1993 | US5242670 Processing spent zeolite catalyst |
| 08/17/1993 | US5236690 Melting, bubbling halogenating agent |
| 07/27/1993 | US5230879 Using a reducing agent |
| 06/02/1993 | EP0543909A1 Preparation of anhydrous niobium and tantalum pentafluorides. |
| 05/26/1993 | EP0543009A1 Process for purifying nitrogen trifluoride gas |
| 05/25/1993 | CA1318261C Method of purifying and depositing group iiia and group va compounds to produce epitaxial films |
| 05/04/1993 | US5207999 Generation of fluorine via thermal plasma decomposition of metal fluoride |
| 05/04/1993 | US5207878 Method for the preparation of fine particulate metal-containing compound |
| 03/24/1993 | EP0368861B1 Method and apparatus for treating process gases |
| 03/10/1993 | EP0531029A2 Carbon fluoride compositions |
| 03/10/1993 | CN1069778A Carbon-fluoride comppositions |
| 03/09/1993 | CA1314128C Method for preparing gaseous metallic fluoride |
| 03/04/1993 | WO1993003997A1 Generation of fluorine via thermal plasma decomposition of metal fluoride |
| 03/01/1993 | CA2072384A1 Carbon fluoride compositions |
| 02/08/1993 | WO1993002772A1 Scrubbing of gaseous fluorides from process exhausts |
| 02/08/1993 | CA2093340A1 Scrubbing of gaseous fluorides from process exhausts |
| 02/02/1993 | US5183647 Decomposing impurities dinitrogen difluoride in specified vessel it's wall surface is covered with passive film nickle fluide |
| 01/07/1993 | EP0353256B1 Method of purifying and depositing group iiib and group vb compounds to produce epitaxial films |
| 12/09/1992 | EP0517169A2 Method of and apparatus for fluoride glass fabrication |
| 10/29/1992 | WO1992018422A1 Inorganic perbromide compositions and methods of use thereof |
| 10/29/1992 | CA2107895A1 Inorganic perbromide compositions and methods of use thereof |
| 08/26/1992 | EP0500040A1 Process for kinetic gas-solid chromatographic separations |
| 07/29/1992 | CN1063088A Improved spent lining recovery process |
| 04/21/1992 | CA1298954C Compound containing ferric ferrous salt and a producing method thereof |