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