| Patents for C01B 7 - Halogens; Halogen acids (5,959) |
|---|
| 09/29/1999 | EP0945417A1 Processes for the preparation of perfluoroalkanes and iodine pentafluoride |
| 09/29/1999 | EP0906245A4 Thermal process for the conversion of uranium hexafluoride |
| 09/29/1999 | CN1229766A Device for manufacture of hydrogen bromide |
| 09/28/1999 | US5958357 Method of producing chlorine |
| 09/28/1999 | US5958356 Method for removal of moisture from gaseous HCl |
| 09/22/1999 | EP0725759B1 Method for the removal of unwanted colour from hydrochloric acid |
| 09/21/1999 | US5955393 Enhanced adsorbent and room temperature catalyst particle and method of making therefor |
| 09/21/1999 | US5955042 Method of treating spent potliner material from aluminum reduction cells |
| 09/16/1999 | WO1999036352A3 Process for recovering anhydrous hydrogen fluoride from uranium hexafluoride |
| 09/16/1999 | DE19810506A1 Reduction, purification and concentration of radio-iodine solutions useful for synthesis of radiopharmaceuticals |
| 09/15/1999 | CN1228754A Process for producing difluoromethane |
| 09/14/1999 | US5952541 Method of loading hydrogen halide onto an adsorbent to enable removal of lead impurities from liquid hydrocarbons |
| 09/08/1999 | EP0715609B1 Isoparaffin-olefin alkylation |
| 09/07/1999 | US5948381 Process for separating fluorocarbon compounds |
| 09/01/1999 | CN1227190A Calcium-iron oxide composite particles and resin molded product containing the same |
| 08/26/1999 | DE19807520A1 Recovery of hydrofluoric acid and nitric acid from air vented from metal pickling plants |
| 08/19/1999 | WO1999041221A1 Process for preparing aromatic carboxylic acids with efficient treatments of gaseous effluent |
| 08/19/1999 | WO1999041189A1 Treatment of iron chloride from chlorination dust |
| 08/19/1999 | DE19823879C1 Flux residues used in the manufacture of hydrogen fluorides and calcium sulphate |
| 08/19/1999 | CA2320206A1 Process for preparing aromatic carboxylic acids with efficient treatments of gaseous effluent |
| 08/18/1999 | EP0936184A2 Process for producing chlorine |
| 08/18/1999 | CN2333439Y Composite iodine steam generator |
| 08/16/1999 | CA2261842A1 Process for producing chlorine |
| 08/11/1999 | EP0933991A1 Powders providing controlled sustained release of a gas |
| 08/11/1999 | EP0686136B1 Improved process for manufacture of fluoroaromatics |
| 08/10/1999 | US5935897 Hydrogenation, oxidation, dehydrogenation catalysts |
| 08/10/1999 | US5935390 Generating a plsama by using radio frequency, feeding hydrogen chloride with inert plasma-forming gas into plasma and heating to high temperature to convert hydrogen chloride into hydrogen and chlorine, cooling and recovring |
| 08/10/1999 | US5935293 Fast quench reactor method |
| 07/27/1999 | CA2141492C Transportation of hydrogen fluoride |
| 07/27/1999 | CA2005288C Method of producing maximum energy flows |
| 07/22/1999 | WO1999036352A2 Process for recovering anhydrous hydrogen fluoride from uranium hexafluoride |
| 07/20/1999 | CA2092355C Isoparaffin-olefin alkylation |
| 07/06/1999 | US5918481 Process for separating hydrogen fluoride from fluorocarbons |
| 07/01/1999 | WO1999032397A1 Production of one or more useful products from lesser value halogenated materials |
| 06/30/1999 | EP0926098A1 Calcium-iron oxide composite particles and resin molded product containing the same |
| 06/30/1999 | EP0925255A1 Process to produce commercial grade anhydrous hydrogen fluoride (ahf) and uranium oxide from the defluorination of uranium hexafluoride (uf 6?) |
| 06/24/1999 | WO1999031297A1 METHOD FOR ELECTROCHEMICALLY PROCESSING HCl GAS INTO HIGHLY PURE CHLORINE |
| 06/24/1999 | DE19755321A1 Commercially useful hydrochloric acid is produced from incinerator plant washing solutions containing HF |
| 06/24/1999 | CA2314491A1 Method for electrochemically processing hcl gas into highly pure chlorine |
| 06/23/1999 | EP0924178A1 Process for producing difluoromethane |
| 06/23/1999 | EP0923515A1 Azeotrope-like compositions of difluoromethane and chlorine |
| 06/17/1999 | DE19755636A1 Verfahren zur elektrochemischen Aufarbeitung von HCl-Gas zu hochreinem Chlor Method for electrochemical processing of HCl gas into high-purity chlorine |
| 06/16/1999 | EP0922668A1 Apparatus for the production of hydrogen bromide |
| 06/16/1999 | CN1219925A Organic base hydrogenofluorosulphonates, their use in releasing organic bases from its hydrofluoride, preparing process and composition thereof |
| 06/03/1999 | WO1999026908A1 Process for separating hydrogen fluoride from fluorocarbons |
| 06/01/1999 | US5908607 Process for producing chlorine |
| 06/01/1999 | US5908606 Reacting water and halogen; porous silica having a mean pore diameter of 0.7 to 5 nm is used as catalyst. preferably, hydrophilic functional groups are provided on the surface of said porous silica. |
| 05/26/1999 | EP0788395B1 Carbonization of halocarbons |
| 05/12/1999 | EP0914863A1 Adsorbent and method for removal of moisture from gaseous hydrogen chloride |
| 05/06/1999 | EP0912475A1 Separation of hydrogen fluoride from a fluorocarbon/hydrogen fluoride azeotropic mixture by sulfuric acid |
| 05/06/1999 | EP0688300B1 Hydrogen fluoride recovery process |
| 05/06/1999 | DE19747917A1 Metal-contaminated hydrochloric acid is processed to produce near-azeotropic hydrochloric acid product |
| 05/04/1999 | US5900044 Organic separation from HF |
| 04/28/1999 | EP0910543A1 Process for hydrogen fluoride separation |
| 04/20/1999 | US5895639 Separation of hydrogen fluoride from a fluorocarbon/hydrogen fluoride azeotropic mixture by sulfuric acid |
| 04/20/1999 | CA2120289C Process for producing reagent grade hydrochloric acid from the manufacture of organic isocyanates |
| 04/15/1999 | DE19847109A1 Separation of iodine containing gas from hydrogen iodide |
| 04/07/1999 | EP0906245A1 Thermal process for the conversion of uranium hexafluoride |
| 04/07/1999 | EP0635072B1 Electrolytic cell assembly and process for production of bromine |
| 04/06/1999 | US5892136 Reacting trifluoromethane with iodine in the presence of oxygen using catalyst containing a salt of an alkali metal, an alkaline earth metal or combinations thereof, supported by a carbonaceous carrier |
| 04/01/1999 | DE19843647A1 Hydrogen halide and oxygen are produced from water and halogen in cell |
| 03/31/1999 | EP0905085A1 Process for the separation of hydrogen fluoride from its mixtures with a hydrofluoroalkane having 3 to 6 carbon atoms |
| 03/25/1999 | DE19745106C1 Iodine recovery from aqueous solutions or waste water containing other salts |
| 03/24/1999 | EP0902725A1 Method of separating and selectively removing hydrogen contaminant from process streams |
| 03/23/1999 | US5885539 Gases emitted from aluminum production process is brought in contact with aluminum oxide adsorbent, which can be recycled as a raw material; multistage countercurrent adsorption, desorption for removal of fluorine cotaining gases |
| 03/10/1999 | EP0900191A1 Organic base hydrogenofluorosulphonates, their use in releasing organic bases from their fluorohydrate, method of preparation thereof, compound containing them |
| 03/10/1999 | EP0696267B1 AZEOTROPIC AND AZEOTROPE-LIKE COMPOSITIONS AND A PROCESS FOR SEPARATING HCl AND HALOCARBONS |
| 03/10/1999 | EP0687323B1 Zero discharge mill distillation, salt recovery, and water management |
| 03/09/1999 | US5881359 Metal and fluorine values recovery from fluoride salt matrices |
| 03/02/1999 | US5876685 Using ion exchange resin |
| 02/23/1999 | US5874658 Phase separation using alkanolamine additives to separate and sequester hydrogen fluoride as complexes and liberate the hydrofluorocarbon in presence of sulfuric acid and alkali metal sulfate |
| 02/16/1999 | US5871707 Oxidation of hydrogen chloride using supported ruthenium catalyst |
| 02/10/1999 | EP0895962A1 Process and apparatus for obtaining or recovering acids from solutions |
| 02/10/1999 | CN1207362A Purification of hydrochloric acid as by-product in synthesis of methylsulfonic acid |
| 02/03/1999 | EP0894765A1 Purification of hydrochloric acid, by-product of the methanesulphonic acid synthesis |
| 02/03/1999 | EP0894527A1 Composition and process for removing moisture from hydrogen halides |
| 02/03/1999 | CN1206690A Composition for removing water from halogen hydirde and process thereof |
| 01/20/1999 | EP0483333B1 Halogen generator |
| 01/20/1999 | CN2304653Y Dry distiller for producing radioactive iodine |
| 01/19/1999 | US5861049 Chlorine separation process combining condensation, membrane separation and flash evaporation |
| 01/14/1999 | WO1998037043A3 Processes for the manufacture of 1,1,1,3,3-pentafluoropropene, 2-chloro-pentafluoropropene and compositions comprising saturated derivatives thereof |
| 01/13/1999 | EP0889848A1 Hydrogen fluoride compositions |
| 01/06/1999 | CN1204297A Hydrogen fluoride recovery process |
| 12/30/1998 | EP0887309A1 Purifying boron trichloride by removal of phosgene |
| 12/29/1998 | US5853690 Method for decomposing water using an activated carbon catalyst |
| 12/24/1998 | DE19726531A1 Electrolysis of aqueous alkali chloride solution |
| 12/24/1998 | DE19726530A1 Removing bromine from chlorine gas stream |
| 12/24/1998 | DE19724965A1 Electronic grade hydrogen chloride used to produce semiconductor material |
| 12/23/1998 | EP0885166A1 Process for hydrogen fluoride separation |
| 12/23/1998 | CN1202454A Process for producing high-purity hydrogen chloride |
| 12/17/1998 | WO1998056742A1 Azeotropic mixture of perfluoroalkyl iodide and hydrogen fluoride, and method for isolating and purifying perfluoroalkyl iodides |
| 12/09/1998 | EP0851834A4 Exothermic two-stage process for catalytic oxidation of hydrogen chloride |
| 12/09/1998 | EP0719359B1 Minimum adverse environmental impact pulp mill |
| 12/09/1998 | CN1201013A Process for preparing chlorine gas |
| 12/08/1998 | US5846510 Regeneration of hydrochloric acid |
| 12/08/1998 | US5846388 Azeotropic mixture of 1,1-difluoroethane and hydrogen fluoride and production process of 1,1-difluoroethane |
| 12/08/1998 | US5846387 On-site manufacture of ultra-high-purity hydrochloric acid for semiconductor processing |
| 12/08/1998 | US5846386 On-site ammonia purification for semiconductor manufacture |
| 11/25/1998 | EP0879211A1 Manufacture of very low arsenic hydrogen fluoride |
| 11/25/1998 | CN1040865C Method for removing unwanted color from hydrochloric acid |