| Patents for C01B 7 - Halogens; Halogen acids (5,959) |
|---|
| 05/01/2002 | CN1083801C Process for preparing salt from seawater |
| 04/30/2002 | US6380148 Azeotropic mixture of perfluoroalkyl iodide and hydrogen fluoride, and method for isolating and purifying perfluoroalkyl iodides |
| 04/25/2002 | WO2002032808A1 Recovering hf acid from calcium fluoride |
| 04/24/2002 | EP1198412A1 Energy-activated compositions for controlled sustained release of a gas |
| 04/24/2002 | CN1346331A Method for producing high-purity solutions using gaseous hydrogen fluoride |
| 04/23/2002 | US6375991 Production of concentrated biocidal solutions |
| 04/23/2002 | US6375907 Conversion to hydrochloric acid; extracting energy from geothermal fluid; reduced emission of hydrogen sulfide from subterranean formations during production of natural gas or oils |
| 04/23/2002 | US6375808 Distilling mixture of difluoromethane with hydrogen fluoride where mixture is in contact with sulfuric acid; hydrogen fluoride remains in liquid phase and difluoromethane goes into vapor phase |
| 04/18/2002 | WO2001085603A3 Process for producing nitrogen trifluoride and use thereof |
| 04/18/2002 | DE10049805A1 Verfahren zur Abtrennung von Arsenverbindungen aus dem Destillationssumpf der Fluorwasserstoffherstellung Process for the separation of arsenic compounds from the distillation bottoms of the hydrogen fluoride manufacturing |
| 04/17/2002 | EP0910543B1 Process for hydrogen fluoride separation |
| 04/17/2002 | CN1345385A Stabilized bromine solutions, method of manufacture and uses thereof for biofouling control |
| 04/16/2002 | US6372157 Radiation shielding materials and containers incorporating same |
| 04/16/2002 | US6372022 Removal of impurities from a vapor stream through contact with ultra-high-purity water in a packed column; non-recirculating; continuous operation; for on-site purification in semiconductor industry |
| 04/11/2002 | WO2000026162A9 Treatment of fluids with electromagnetic radiation |
| 04/10/2002 | EP1195354A2 Process for the separation of arsenic compounds from the distillation bottoms fraction of the hydrogen fluoride production |
| 04/10/2002 | EP1194371A1 Stable oxidizing bromine formulations, method of manufacture and uses thereof for biofouling control |
| 04/10/2002 | CN1344225A Method for producing chlorine |
| 04/10/2002 | CN1344224A Method for producing chlorine |
| 04/10/2002 | CN1082402C System for providing ultra-high-purity buffered-HF for semiconductor processing |
| 04/09/2002 | US6368490 Method for electrochemically processing HCL gas into highly pure chlorine |
| 04/04/2002 | US20020039554 Process for regeneration of acids from spent acids |
| 04/02/2002 | US6365121 Thermal decomposition of metal chloride; vaporization; condensation |
| 04/02/2002 | CA2134480C Hcl adsorbent and method for making and using same |
| 03/28/2002 | WO2000076914A3 Process for the recovery of chlorine from iron chlorides |
| 03/27/2002 | EP0945417B1 Processes for the preparation of perfluoroalkanes and iodine pentafluoride |
| 03/26/2002 | CA2102049C Recovery of hf from hydrocarbon streams |
| 03/20/2002 | EP1187791A1 Method for neutralising and/or regenerating acid baths and plant that carries out this method |
| 03/14/2002 | WO2002019826A2 Production of concentrated biocidal solutions |
| 03/14/2002 | US20020031469 Process and apparatus for the extraction and regeneration of acids from spent acids |
| 03/14/2002 | US20020031466 Base is chosen from amines (including cyclic amines) and imines (including aromatic heterocycles) |
| 03/14/2002 | CA2421393A1 Production of concentrated biocidal solutions |
| 03/12/2002 | US6355223 Closed loop process for producing chlorine from hydrogen chloride |
| 03/12/2002 | US6355222 Burner, combustion chamber of impregnated graphite and a cooling zone of a steel jacket with piled blocks of impregnated graphite for the direct combustion of bromine in hydrogen |
| 03/12/2002 | US6355221 Process for removing soluble fluoride from a waste solution containing the same |
| 03/12/2002 | US6355181 Method and apparatus for manufacturing a micromechanical device |
| 03/07/2002 | WO2002018675A2 Process for the electrolysis of technical-grade hydrochloric acid contaminated with organic substances using oxygen-consuming cathodes |
| 03/07/2002 | US20020028173 Using ruthenium oxide catalyst prepared by supporting an alkali on a carrier, supporting a ruthenium compound, precipitating a ruthenium compound on the outer surface of the carrier by acid-base reaction. |
| 03/07/2002 | CA2419584A1 Process for the electrolysis of technical-grade hydrochloric acid contaminated with organic substances using oxygen-consuming cathodes |
| 03/05/2002 | US6352677 Process to produce commercial grade anhydrous hydrogen fluoride (AHF) and uranium oxide from the delfuorination of uranium hexafluoride (UF6) |
| 02/27/2002 | CN1337921A Method for recycling fine calcium fluoride powder |
| 02/27/2002 | CN1337919A Stable oxidizing bromine formulations, method of manufacture and uses thereof for biofouling control |
| 02/26/2002 | US6350425 Bubbling pure ammonia and hydrogen fluoride |
| 02/26/2002 | CA2064198C Halogen generator |
| 02/20/2002 | EP1180497A1 Ionic purifier |
| 02/19/2002 | US6348613 Process for producing diaryl carbonate |
| 02/19/2002 | CA2254318C Device for manufacturing hydrogen bromide and use of said device |
| 02/13/2002 | CN1335822A Method for reducing the bromide content in an aqueous bromide-containing solution using hydrogen peroxide |
| 02/13/2002 | CN1335792A Method for treating combustion ash of coal and method for desulfurization |
| 02/12/2002 | US6346227 Distilling technical grade hydrogen fluoride to remove low boiling impurities, oxidizing trivalent arsenic compounds to pentavalent, scrubbing in two stages, with 65-90% strength by weight hydrofluoric acid then with 90-100% strength |
| 02/06/2002 | CN1334788A Method for separating mixture comprising at least an hydrofluoroalkane and hydrogen fluoride, methods for preparing hydrofluoroalkane and azeotropic compositions |
| 01/31/2002 | WO2002008492A1 Process and method for recovery of halogens |
| 01/31/2002 | WO2002008126A1 Improved methods and processes for iodine disinfection |
| 01/31/2002 | CA2416759A1 Improved methods and processes for iodine disinfection |
| 01/31/2002 | CA2416653A1 Process and method for recovery of halogens |
| 01/22/2002 | US6340863 Microwave plasma generator and system for decomposing organic halide |
| 01/17/2002 | WO2002004348A1 Method and apparatus for producing hydrogen fluoride |
| 01/17/2002 | US20020005210 Low temperature; salt formation |
| 01/16/2002 | EP1171649A1 Stabilized bromine solutions, method of manufacture and uses thereof for biofouling control |
| 01/16/2002 | EP1171379A2 Method for producing high-purity solutions using gaseous hydrogen fluoride |
| 01/10/2002 | DE10031566A1 Verfahren zur Abtrennung von Arsenverbindungen aus Fluorwasserstoff A process for separating arsenic from hydrogen fluoride |
| 01/10/2002 | DE10031562A1 Verfahren zur Herstellung von Fluorwasserstoff in einem Drehrohrofen A process for producing hydrogen fluoride in a rotary kiln |
| 01/09/2002 | EP1170250A1 Method for producing chlorine |
| 01/08/2002 | CA2031578C Process for the preparation of molluscicidal 2,4,5-tribromopyrrole-3-carbonitrile compounds |
| 01/03/2002 | US20020001563 Process for preparing hydrogen fluoride in a rotary tube furnace |
| 01/03/2002 | US20020001553 Concentrating the distillation bottoms by evaporation of hydrogen fluoride until the temperature at bottom is from 40-60 degree C., and reacting the residue with calcium hydroxide, calcium oxide or mixture |
| 01/02/2002 | EP1167286A2 Process for the production of hydrogen fluoride in a rotating kiln |
| 01/02/2002 | EP1167285A2 Process for separation of compounds containing arsenic from hydrogen fluoride |
| 01/02/2002 | EP1165475A1 Method for separating hydrogen fluoride from its mixtures with 1,1,1,3,3-pentafluorobutane and method for making 1,1,1,3,3-pentafluorobutane |
| 01/02/2002 | CN1077085C Process for producing chlorine |
| 12/28/2001 | CA2351752A1 Process for preparing hydrogen fluoride in a rotary tube furnace |
| 12/28/2001 | CA2351746A1 Process for removing arsenic compounds from hydrogen fluoride |
| 12/26/2001 | CN1328482A Process for recovery of iodine from aqueous solutions containing iodinated organic compounds |
| 12/20/2001 | WO2001096236A1 Phosphate acidulation utilizing hf acid |
| 12/20/2001 | CA2411977A1 Phosphate acidulation utilizing hf acid |
| 12/19/2001 | EP1163041A1 Methods for removal of water from gases using superheated zeolites |
| 12/19/2001 | EP0923515B1 Azeotrope-like compositions of difluoromethane and chlorine |
| 12/13/2001 | WO2001094255A1 Use of metal oxychlorides for removal of hydrogen chloride from mixed gases |
| 12/13/2001 | US20010051128 Bubbling pure ammonia and hydrogen fluoride |
| 12/06/2001 | WO2001064578A8 Conversion of hydrogen chloride gas with recovery of chlorine |
| 12/06/2001 | US20010047929 Applying high voltage electrical discharge having selected high frequency component to break bonds, destroying material |
| 12/05/2001 | CN1324785A Organic matter recovering and halogen acid refining process of industrial acid effluent |
| 11/28/2001 | EP1080035B1 Particle size control in pyrohydrolysis of metal chlorides |
| 11/28/2001 | CN1323651A Hydrogen bromide generating process and generator for laboratory and industry use |
| 11/27/2001 | CA2209444C Process for production of gaseous hydrogen bromide and apparatus for carrying out this process |
| 11/22/2001 | WO2001087235A2 Method for producing[18f]fluoride ion |
| 11/21/2001 | EP1155164A1 In situ chemical generator and method |
| 11/21/2001 | CN1075039C Process for producing chlorine gas from hydrogen chloride |
| 11/15/2001 | WO2001085615A1 Process for the production of calcium fluoride |
| 11/15/2001 | WO2001085610A1 Production of high quality aqueous acid upon the reformation of halogenated organic materials |
| 11/15/2001 | WO2001085609A1 Particulate removal in the reformation of halogenated organic materials |
| 11/15/2001 | WO2001085603A2 Process for producing nitrogen trifluoride and use thereof |
| 11/15/2001 | US20010041806 Process for producing diaryl carbonate |
| 11/15/2001 | US20010041667 Azeotropic mixture of perfluoroalkyl iodide and hydrogen fluoride, and method for isolating and purifying perfluoroalkyl iodides |
| 11/15/2001 | US20010041161 Burner, combustion chamber of impregnated graphite and a cooling zone of a steel jacket with piled blocks of impregnated graphite for the direct combustion of bromine in hydrogen |
| 11/15/2001 | CA2404695A1 Particulate removal in the reformation of halogenated organic materials |
| 11/15/2001 | CA2308545A1 Process for thermal destruction of spent potliners |
| 11/14/2001 | EP1153885A1 A process for concentrating fluorine compounds |
| 11/08/2001 | US20010038818 Method for recovering hydrogen chloride from chlorine based waste and use of recovered hydrogen chloride |
| 11/07/2001 | EP0924178B1 Process for producing difluoromethane |