Patents
Patents for C01B 7 - Halogens; Halogen acids (5,959)
07/2005
07/28/2005WO2005068356A1 Method for producing hydrogen fluoride
07/28/2005US20050163695 Process for the purification of NF3
07/28/2005DE10361519A1 Verfahren zur Herstellung von Chlor durch Gasphasenoxidation von Chlorwasserstoff A process for preparing chlorine by gas-phase oxidation of hydrogen chloride
07/27/2005CN2712889Y Disinfectant generating device
07/27/2005CN1644487A Apparatus and method for preparing high-purity hydrochloric acid by low-temperature evaporation
07/26/2005US6922429 Treatment of chloralkali feeds containing hydrogen peroxide and base
07/26/2005CA2123371C Suppression of carbonaceous deposits in a process for hydrotreating an organic feedstock containing unstable olefinic compounds
07/20/2005EP1555061A2 Method and apparatus for disposal of hydrogen from fluorine generation
07/20/2005EP1351908B1 Process for preparing octafluoropropane
07/20/2005CN1640813A Method for producing reagent-level hydrochloric acid
07/14/2005WO2005063616A1 Method for the production of chlorine by means of gas phase oxidation of hydrogen chloride
07/13/2005CN1639058A High-purity fluorine gas, production and use thereof, and method for analyzing trace impurities in high-purity fluorine gas
07/13/2005CN1210206C Method for recycling fine calcium fluoride powder
07/12/2005US6916953 Integrated process for preparing isocyanates
07/07/2005WO2005061381A1 Method for enriching phosphorus pentafluoride in a mixture of phosphorus pentafluoride and hydrogen chloride
07/07/2005DE10083662B4 Verfahren zum Mischen von Kohlenasche und Verfahren zur Entschwefelung A method of mixing the coal ash and method for desulfurization
07/06/2005EP1549588A1 Improved conversion of sodium bromide to anhydrous hydrobromic acid and sodium bisulfate
07/06/2005CN1636082A Process for the electrolysis of technical-grade hydrochloric acid contaminated with organic substances using oxygen-consuming cathodes
07/05/2005CA2112677C Electrolytic cell assembly and process for production of bromine
06/2005
06/30/2005WO2005051508A3 Sulfur oxide sorption with layered chlorite-type contact solids
06/30/2005US20050142057 Method for treating waste materials containing halogen
06/29/2005EP1546032A1 Catalyst for the catalytic oxidation of hydrogen chloride
06/29/2005EP1187791B1 Method for neutralising and/or regenerating acid baths and plant that carries out this method
06/23/2005US20050135990 Reacting sodium bromide with sulfuric acid; separation, drying, solidification
06/23/2005DE10355696A1 Separation of phosphorus pentafluoride from a mixture with hydrogen chloride involves pressure distillation at above or just below the phosphorus pentafluoride critical temperature
06/23/2005DE10355337A1 Cooling of hydrogen chloride and hydrochloric acid production plants is effected using brine from an integrated sodium chloride electrolysis apparatus
06/22/2005EP1542923A1 Fixed-bed method for production of chlorine by catalytic gas-phase oxidation of hydrogen chloride
06/21/2005US6908601 Method for the production of nitrogen trifluoride
06/15/2005CN1626436A Unit for anti overspill of chlorine water in cooling tank
06/15/2005CN1206171C Industrial composite sulfur dioxide preparation method
06/09/2005WO2005051508A2 Sulfur oxide sorption with layered chlorite-type contact solids
06/01/2005CN1204040C Vertical airflow type hydrogen fluoride gas generator
05/2005
05/25/2005CN1620403A Preparation of safety brominized reagent
05/24/2005US6896865 Reacting water and a reducing agent to an acid gas obtained by the combustion of chlorine based waste to obtain a crude hydrogen chloride aqueous solution having oxidation-reduction potential about 900 mV, distilling crude hydrogen chloride
05/19/2005WO2005044726A1 Azeotrope-like composition of iodine heptafluoride and hydrogen fluoride
05/19/2005WO2005044725A1 Method for producing high purity liquid chlorine
05/19/2005US20050106089 Sulfur oxide sorption with layered chlorite-type contact solids
05/19/2005US20050106088 Using lithium silicate; controlling particle sizes
05/12/2005WO2005014156A3 Preparation of adsorbents from organic fertilizer and mineral oil and their application for removal of acidic gases from sulfur containing wet gas streams
05/11/2005EP1529033A1 Integrated method for producing isocyanates
05/10/2005US6890508 Preparation of largely HBr-free HCI gas and largely HBr-free aqueous HCI solution
05/05/2005US20050096247 use as alternative fluorinating agents; distilling mixture to remove said azeotrope-like composition
05/04/2005CN1199976C Electrodialysis method for separating sugar and acid in biomass hydrolysate
04/2005
04/28/2005US20050089461 Decomposing hexafluoroethane, tetrafluoromethane, trifluoromethane, sulfurhexafluoride, and nitrogentrifluoride in the presence of a catalyst containing at least one metal or oxide of palladium, platinum, copper, manganese, iron, cobalt, rhodium, irridium and gold
04/27/2005EP1525032A1 Method for treating waste materials containing halogen
04/27/2005CN1610573A Generation, distribution, and use of molecular fluorine within a fabrication facility
04/27/2005CN1608975A Apparatus and process of producing electronics level high purity hydrochloric acid
04/26/2005US6884401 Method for removing volatile components from a high viscosity liquid by using rotation pack bed
04/26/2005US6884337 Supplying alkali chloride and water into electrolytic cell, reacting to form alkali hydroxide, water and oxygen are reacted to form hydrogen peroxide in presence of the alkali hydroxide; peroxidation
04/07/2005US20050072687 Manufacturing bleach solution containing sodium hypochlorite and potassium hydroxide using chlorine gas produced on site from electrolysis of potassium chloride
04/06/2005EP1519895A1 Device and method for the production of chlorotrifluoride and system for etching semiconductor substrates using said device
04/06/2005EP1296887A4 Phosphate acidulation utilizing hf acid
04/06/2005EP1155164A4 In situ chemical generator and method
03/2005
03/31/2005WO2004053198A3 Method and apparatus for fluorine generation and recirculation
03/30/2005EP0933991B1 Powders providing controlled sustained release of a gas
03/30/2005CN1600676A Method for removing acetylene in hydrochloric acid gas
03/29/2005US6872491 Positive electrode active material containing composite oxide having a structural formula: Lix(Ni1-yMe1y)(O2-zXz)+A where in Me is a metal, X= halogen and A= sodium, potassium or sulfur
03/23/2005CN2686689Y Rectifying apparatus for preparing supernet high-purity reagent acid
03/22/2005US6869620 Feeding into an aqueous solution of alkali metal cations, bromide anioins and sulfamate anions a source of alkali metal cations and chlorine-containing bromide oxidant to form an acidic product and raising the pH to at least 10
03/22/2005US6869579 Vapor deposition; decomposition
03/17/2005WO2004094305A3 Production of chlorine dioxide using non-iodo interhalides or polyhalides
03/17/2005WO2004039732A3 Process for the production of metal fluoride materials
03/16/2005EP1514954A1 Electric current control method and apparatus for use in gas generators
03/10/2005WO2004109086A3 Method for processing stack gas emissions
03/09/2005CN1590280A Method of refining hydrofluoric acid and its device
03/09/2005CN1590279A Method for separating and recovering chlorine from service gas containing chlorine
03/09/2005CN1192006C Methods for converting lower altanes and alkenes to alcohols and diols
03/03/2005WO2004014845A8 Integrated method for producing isocyanates
03/02/2005EP1509476A1 Method for producing highly pure anhydrous solutions containing hydrogen fluoride
03/02/2005CN1587027A Method for producing reagent hydrochloric acid
02/2005
02/24/2005DE10336522A1 Verfahren zur Herstellung von Chlor A process for the production of chlorine
02/23/2005CN1583548A Method for preparing nanometer aluminium nitride ceramic powders
02/22/2005US6858198 Estimating concentration of bound water and free water in the acid feed stream by providing a probe in at least a portion of feed stream; adjusting the concentration of free water in acid feed stream based on estimation
02/17/2005WO2005014470A1 Method for the production of chlorine
02/17/2005WO2005014168A1 Process for regenerating a hydrogenation catalyst
02/17/2005WO2005014156A2 Preparation of adsorbents from organic fertilizer and mineral oil and their application for removal of acidic gases from sulfur containing wet gas streams
02/17/2005DE19843647B4 Verfahren zur Herstellung von Halogenwasserstoff und Sauerstoff A process for producing hydrogen halide and oxygen
02/17/2005CA2534760A1 Process for regenerating a hydrogenation catalyst
02/16/2005EP1506133A1 Methods for producing chlorine from hydrogen chloride
02/16/2005CN2679132Y Prodn. appts. for reagent-class hydrochloric acid
02/10/2005US20050031529 Process for producing chlorine
02/09/2005CN1188342C Technological process and equipment for catalytically oxidzing HCl to produce chlorine
02/08/2005US6852667 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.
02/08/2005CA2143268C Process for separating hydrogen fluoride from difluoromethane
02/03/2005WO2005009896A1 Methods of purifying hydrogen fluoride
02/03/2005US20050026008 Method for processing stack gas emissions
02/02/2005EP1117733B1 Supercritical fluorination
02/02/2005CN1575356A Electrochemical half-cell
02/02/2005CN1572908A Electric current control method and apparatus for use in gas generators
01/2005
01/26/2005EP1500640A1 Purification of 1,1,1,3,3-pentafluorobutane
01/20/2005US20050013771 Thermochemical hydrogen produced from a vanadium decomposition cycle
01/20/2005US20050013764 Aqueous sulfuric acid sovent extraction from halogenated hydrocarbons
01/12/2005CN1564879A Electrolysis cell, especially for electrochemical production of chlorine
01/12/2005CN1562733A Method for refining hydrochloric acid as byproduct in procedure for producing chemical products of chlorinated hydrocarbons
01/12/2005CN1562732A Method for preparing strong hydrochloric acid through extracting and distilling deposed dilute hydrochloric acid semi continuously
01/12/2005CN1562432A Method for preparing supper clean, and high pure reagent of acid and rectifier unit
01/11/2005US6841140 Inner surface of reactor corrosion and wear resistant against scraping blade comprising an alloy including at least two of nickel, chromium, cobalt, iron, tungsten and carbon; and tungsten carbide
01/11/2005CA2345489C A process for concentrating fluorine compounds
12/2004
12/30/2004DE10327128A1 Chlorine production from hydrogen chloride, e.g. by-product from phosgenation, vinyl chloride or polycarbonate production or recycling PVC, uses ionic liquid as catalyst and solvent in oxidation with molecular oxygen
12/29/2004CN2666882Y Assembling two combined into one graphite hydrogen chloride synthetic furnace
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