| Patents for C01B 9 - General methods of preparing halides (975) |
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| 03/24/1992 | CA1297657C Preparation of antiperspirants |
| 03/11/1992 | CN1059320A Preparation of anhydrous niobium and tantalum pentafluorides |
| 03/05/1992 | WO1992003382A1 Preparation of anhydrous niobium and tantalum pentafluorides |
| 02/25/1992 | US5091168 Preparation of anhydrous niobium and tantalum pentafluorides |
| 01/07/1992 | CA1293851C Process and apparatus for contacting at least two gaseous compounds which react in particular at high temperature |
| 12/03/1991 | US5069724 Chlorine trifluoride; semiconductors |
| 12/03/1991 | US5069690 Nitrogen trifluoride from carbon tetrafluoride; hydrothermally treated zeolite |
| 11/12/1991 | US5064517 Exothermic reaction of organometallic compound with oxygen or oxygen containing gas by laser irradiation |
| 10/16/1991 | EP0451866A1 Method of purifying starting materials for fluoride glass fabrication |
| 08/28/1991 | CN1013641B Method and apparatus for treating process gases |
| 08/06/1991 | US5037911 Addition polymerization using a catalyst which is activated by heating |
| 07/17/1991 | CN1013200B Alumina treated by silicon and/or fluorine |
| 07/16/1991 | US5032143 Purification |
| 06/26/1991 | EP0434222A1 Ultra high purity metal fluorides and their preparation |
| 04/18/1991 | WO1991004942A1 Process for purifying nitrogen trifluoride gas |
| 01/08/1991 | US4983373 Process for the production of high purity zirconium tetrafluoride and other fluorides |
| 10/23/1990 | US4965055 Preparation of ultra-pure metal halides |
| 10/02/1990 | US4960581 Reacting metal or metal oxide with fluorine gas or nitrogen trifluoride; solid metal fluoride as molding auxiliary |
| 09/12/1990 | EP0386174A1 Ultra high purity halides and their preparation |
| 09/11/1990 | US4956326 Corrosion resistant ceramics or graphite |
| 07/25/1990 | EP0379360A2 Method for the preparation of fine particulate metal-containing compound |
| 05/30/1990 | EP0370480A1 Process for the production of high purity zirconium tetrafluoride and other fluorides |
| 05/23/1990 | EP0368861A1 Method and apparatus for treating process gases. |
| 04/18/1990 | EP0190140B1 Process for the removal of impurities from optical component materials |
| 04/10/1990 | US4915705 Hydrolysis with aqueous ammonia |
| 03/20/1990 | US4910009 Ultra high purity halides and their preparation |
| 03/20/1990 | US4910008 Gas-gas phase contactor |
| 02/13/1990 | US4900534 Preparation of antiperspirants |
| 02/07/1990 | EP0353256A1 METHOD OF PURIFYING AND DEPOSITING GROUP IIIb AND GROUP Vb COMPOUNDS TO PRODUCE EPITAXIAL FILMS. |
| 12/14/1989 | WO1989010327A3 Synthesis of carbon fluoride and carbon fluoride chloride |
| 12/12/1989 | US4886921 Cathode material for lithium battery; fluorination of carbon fluoride chloride |
| 12/05/1989 | US4885418 Treating with a water-containing anion exchanger in the oh form |
| 11/16/1989 | WO1989010897A1 Ultra high purity halides and their preparation |
| 11/02/1989 | WO1989010327A2 Synthesis of carbon fluoride and carbon fluoride chloride |
| 10/31/1989 | CA1262506A1 Chemical vapor purification of fluorides |
| 10/25/1989 | CN2046499U Pipeline connecting device of preparing high-pure liquid chlorides |
| 09/20/1989 | EP0333084A2 Method for preparing gaseous fluorides |
| 08/15/1989 | US4857294 Process for the preparation of metal fluorides usable for the production of fluoride glasses |
| 08/15/1989 | US4857293 Reacting metal oxide and aqueous hydrofluoric acid |
| 08/09/1989 | EP0205454B1 Process for the preparation of ultrapure active metal fluorides |
| 08/09/1989 | EP0205453B1 Process for the preparation of ultrapure heavy metal fluorides |
| 08/01/1989 | US4853205 Supercritical fluid metal halide separation process |
| 07/25/1989 | CA1257766A1 Process for producing fluorides of metals |
| 06/14/1989 | EP0320161A1 Preparation of a metal bromide or oxide bromide |
| 06/13/1989 | US4838941 Reaction product of magnesium carbonates and silicates with metal chloride; high strength |
| 05/16/1989 | US4830836 Metal stripping system and an operation process therefor |
| 04/26/1989 | EP0313282A2 Oxidation of metal (oxo)halides |
| 04/12/1989 | EP0310827A1 Process for the removal of metal halides from liquid, organic compounds not miscible with water |
| 03/28/1989 | CA1251894A1 Silicon and/or fluorine treated alumina |
| 03/15/1989 | EP0306540A1 Process and plant for producing energy from toxic wastes with simultaneous disposal of the latter |
| 02/21/1989 | US4806513 Silicon and fluorine-treated alumina containing a chromium catalyst and method of producing same |
| 12/13/1988 | CA1246326A1 Metal stripping system and an operation process therefor |
| 11/17/1988 | WO1988008891A1 METHOD OF PURIFYING AND DEPOSITING GROUP IIIa AND GROUP Va COMPOUNDS TO PRODUCE EPITAXIAL FILMS |
| 11/17/1988 | WO1988008741A1 Method and apparatus for treating process gases |
| 11/16/1988 | CN88102617A Method and apparatus for treating process gases |
| 11/08/1988 | US4783322 Method for fluorination of actinide fluorides and oxyfluorides thereof using O2 F2 |
| 11/03/1988 | DE3813454A1 Verfahren zur herstellung von anorganischen metallverbindungen mit ultrahoher reinheit Process for the preparation of inorganic metal compounds with ultra-high purity |
| 10/24/1988 | EP0227797A4 Reduction of organohalogen compounds in metal and metalloid chloride production streams. |
| 10/12/1988 | EP0171316B1 Process and apparatus for contacting at least two gaseous components reacting at high temperatures |
| 09/20/1988 | US4772296 Method of purifying and depositing group IIIa and group Va compounds to produce epitaxial films |
| 07/19/1988 | CA1239272A1 Process for manufacturing halide glasses |
| 06/21/1988 | US4752454 Heating hydrated fluoride of zirconium, thorium, hafnium, ytterium, scandium or rare earth metal in reactive vapors of hydrofluoric acid, carbon dioxide and a fluoroalkane |
| 05/03/1988 | US4741893 Process for producing fluorides of metals |
| 04/26/1988 | US4740570 Metal halide vaporization into diluents |
| 02/24/1988 | EP0256840A2 Process for separation of acids and corresponding acid metal salts |
| 02/24/1988 | EP0256831A2 Preparation of antiperspirants |
| 02/17/1988 | EP0255877A2 Method for dehalogenation of a halide and catalyst used therefor |
| 01/27/1988 | EP0254641A1 Process for the preparation of metalfluorides which can be used for manufacturing fluoride glasses |
| 01/19/1988 | CA1231535A1 Process for the chlorination of oxidic materials |
| 01/13/1988 | EP0252099A1 Magnesium cement |
| 12/08/1987 | US4711680 Displacement reaction of transition metal fluoride with lewis acid |
| 12/08/1987 | US4711652 Reacting an organometallic compound and an organic halide or interhalide at low temperatures and vitrifying; by-product volatility |
| 11/05/1987 | DE3615027A1 Process for destroying organic halogen compounds, in particular chlorinated biphenyls, polychlorinated dioxins and polychlorinated furans |
| 09/22/1987 | US4695436 Process for manufacturing high purity metal chlorides |
| 07/16/1987 | WO1987004145A1 Magnesium cement |
| 07/08/1987 | EP0227797A1 Reduction of organohalogen compounds in metal and metalloid chloride production streams |
| 06/04/1987 | DE3640573A1 Process and plant for energy recovery from toxic waste materials with simultaneous disposal thereof |
| 03/24/1987 | US4652438 Chemical vapor purification of fluorides |
| 03/24/1987 | CA1219452A1 Method for separating and recovering silica, aluminum and iron from fly ash mineral ores, and mine tailings |
| 03/17/1987 | US4650778 Complexing |
| 01/24/1987 | CN85101209A Alumina treated by silicon and/or fluorine |
| 01/15/1987 | WO1987000157A1 Reduction of organohalogen compounds in metal and metalloid chloride production streams |
| 12/30/1986 | EP0205454A1 Process for the preparation of ultrapure active metal fluorides. |
| 12/30/1986 | EP0205453A1 Process for the preparation of ultrapure heavy metal fluorides. |
| 11/12/1986 | CA1213735A1 Chlorination of copper, lead, zinc, iron, silver and gold |
| 10/14/1986 | CA1212549A1 Production of metal chlorides |
| 10/08/1986 | EP0196666A1 Process for manufacturing halides to be used for producing halide glasses |
| 09/23/1986 | US4613494 Fertilizer, air pollution control |
| 08/13/1986 | EP0190140A1 Process for the removal of impurities from optical component materials. |
| 07/17/1986 | WO1986004049A1 Process for the preparation of ultrapure heavy metal fluorides |
| 07/17/1986 | WO1986004048A1 Process for the preparation of ultrapure active metal fluorides |
| 07/15/1986 | US4600442 Process for the removal of impurities from optical component materials |
| 06/17/1986 | US4595573 Treating metal compound to be chlorinated in refractory material reactor, pressurizing, chlorinating with continuous stream of chlorine gas |
| 03/25/1986 | US4578252 Method for preparing ultra-pure zirconium and hafnium tetrafluorides |
| 03/18/1986 | US4576812 Chlorination of copper, lead, zinc, iron, silver and gold |
| 02/27/1986 | WO1986001193A1 Process for the removal of impurities from optical component materials |
| 02/12/1986 | EP0171316A1 Process and apparatus for contacting at least two gaseous components reacting at high temperatures |
| 02/04/1986 | US4568478 Water and alkoxylated ohenel |
| 01/08/1986 | EP0089353B1 Method for the selective chlorination of metal oxide mixtures of natural or synthetic origine |
| 01/07/1986 | US4563338 Stepwise extraction |