Patents
Patents for C01B 7 - Halogens; Halogen acids (5,959)
05/1996
05/28/1996US5520901 Method for the recovery of iodine from an environment
05/23/1996WO1996015444A2 Process for determining the equilibrium concentrations of halogen, halogenide, trihalogenide, hypohalogenite and hypohalogenic acid components in aqueous solutions
05/23/1996WO1996015066A1 Recovery of chlorine from hydrogen chloride, with internal recycle of hydrogen chloride
05/23/1996DE4440872A1 Verfahren zur Bestimmung der Gleichgewichtskonzentrationen der Komponenten Halogen, Halogenid, Trihalogenid, Hypohalogenid und/oder Hypohalogeniger Säure in wässrigen Lösungen A method of determining the equilibrium concentrations of the components halogen, halide, trihalide, hypohalite and / or hypohalous acid in aqueous solutions
05/22/1996EP0650506B1 Process for the thermal recycling of waste pvc with the recovery of heat and anhydrous hydrogen chloride
05/21/1996US5518583 Minimizing effluents from a cellulose pulp mill
05/17/1996WO1996014726A1 Process and apparatus for chemical conversion
05/15/1996EP0711729A1 Process for the oxidation of hydrogen chloride
05/15/1996EP0711728A1 Process for the oxidation of hydrogen chloride
05/15/1996EP0711727A1 Process for the oxidation of hydrogen chloride
05/15/1996EP0711599A1 Catalyst for preparing chlorine from hydrogen chloride
05/15/1996EP0711596A1 Method and device for delivering hot, aggressive media
05/15/1996CA2162643A1 Process for the oxidation of hydrogen chloride
05/15/1996CA2162642A1 Method and device for delivering hot, aggressive media
05/15/1996CA2162641A1 Process for the oxidation of hydrogen chloride
05/15/1996CA2162640A1 Process for the oxidation of hydrogen chloride
05/14/1996US5516496 Converting feed materials of high mineral content and substantial radioactivity levels to concentrated radionuclide products of high radioactivity levels and to other products of low radioactivity levels
05/08/1996CN1121899A Process for low temp. production of potassium sulfate
05/02/1996WO1996012527A1 Carbonization of halocarbons
05/01/1996EP0709471A1 Use of diethyl dodecylphosphonate for extracting acid and metal salts from aqueous solutions
04/1996
04/27/1996CA2161180A1 Extraction of acids and metal salts from aqueous solutions with diethyl dodecylphosphonate
04/25/1996WO1996011744A1 Process for reprocessing and utilizing boron trifluoride catalyst residues
04/18/1996DE4447583A1 Removing harmful pollutants from combustion waste gases and recovering
04/18/1996DE19534545A1 Regenerating hydrogen chloride pickling solns.
04/10/1996EP0705639A1 Process for purifying halogen-containing gas
04/10/1996EP0705218A1 Method for separating chlorine from a mixture of gases
04/09/1996US5505926 HCL adsorbent and method for making and using same
03/1996
03/28/1996WO1996009271A1 Purification process for hexafluoroethane products
03/27/1996EP0616601B1 Production of phosphoric acid and hydrogen fluoride
03/27/1996CN1031393C Process and equipment for reducing corrosion in production of hydrochloric acid
03/21/1996WO1996008445A2 Process for treating an aqueous kf waste stream and for converting kf into hf and koh
03/21/1996WO1996008442A1 Method and apparatus for preparing high purity hydrogen bromide
03/21/1996CA2199723A1 Process for treating an aqueous kf waste stream and for converting kf into hf and koh
03/20/1996CN1119010A Hydrogen fluoride recovery process
03/19/1996US5500035 Weak adsorbents, short cycle time, reduced waste
03/12/1996US5498818 Method for suppressing the evaporation of hydrogen fluoride from a mixing of hydrogen flouride and sulfone
03/07/1996DE4431558A1 Harmful substances such as HF, HCl, SO2 and Hg are removed from combustion waste gases in a process
03/06/1996EP0699473A1 Structural elements in columns for suspensions with precipitating particles
03/05/1996US5496778 Point-of-use ammonia purification for electronic component manufacture
02/1996
02/27/1996US5493972 Method for producing maximum energy flows
02/14/1996EP0696267A1 AZEOTROPIC AND AZEOTROPE-LIKE COMPOSITIONS AND A PROCESS FOR SEPARATING HCl AND HALOCARBONS
02/13/1996US5490390 Liquefaction of chlorine or other substances
02/06/1996CA2060457C Method for burning halogenated hydrocarbon containing waste
02/01/1996WO1996002315A1 Exhaust gas cleaning process
02/01/1996DE4426727A1 Hydrogen fluoride removal by distn. in purificn. of hydrochloric acid
01/1996
01/25/1996DE4425471A1 Verfahren zum Reinigen von Abgasen A method for purifying exhaust gases
01/24/1996EP0693469A1 Azeotropic mixture composed of 1,1-difluoroethane and hydrogen fluoride and process for producing 1,1-difluoroethane
01/18/1996DE4424367A1 Process and appts. to purify flue gas
01/11/1996WO1996000696A1 Method and apparatus for recovering bromine from a liquid effluent
01/10/1996CN1114632A Method for preparation of chlorine dioxide and generator thereof
01/04/1996WO1996000187A1 Method for removing nitrogen trichloride from raw chlorine
12/1995
12/27/1995EP0688300A1 Hydrogen fluoride recovery process
12/27/1995EP0609319B1 Improved process for separating and recovering fluorocarbons and hydrogen fluoride from mixtures thereof
12/27/1995CN1113878A Producing method for sulfuric acid, nitric acid and hydrochloric acid
12/21/1995WO1995034379A1 Chromium catalyst and catalytic oxidation process
12/20/1995EP0687323A1 Zero discharge mill distillation, salt recovery, and water management
12/19/1995CA2025612C Gas separation by semi-permeable membranes
12/14/1995WO1995033680A1 Method for the removal of unwanted colour from hydrochloric acid
12/13/1995EP0686136A1 Improved process for manufacture of fluoroaromatics
11/1995
11/30/1995DE4417104A1 Hydrofluoric acid and metal oxide(s) mfd. and neutralised sludges from pickling processes
11/29/1995CN1112540A Seperation of hydrogen fluoride and methane difluoride
11/23/1995WO1995031679A1 Liquefaction of chlorine or other substances
11/22/1995EP0626885A4 Cebr 3? catalyst and process for producing bromine.
11/22/1995CN1030305C Process for production of phosphoric acid and hydrogen fluoride from phosphate rock and fluosilicic acid
11/15/1995EP0682100A1 Suppression of carbonaceous deposits in a process for hydrotreating an organic feedstock containing unstable olefinic compounds
11/15/1995EP0681556A1 Hydrogen chloride purfication process
11/08/1995EP0599903B1 Hydrofluoric acid compositions
11/02/1995EP0679607A1 Transportation of hydrogen fluoride
10/1995
10/24/1995US5461183 Removal of ASO from HF/sulfolane alkylation catalyst
10/19/1995WO1995027679A1 Iron oxide/magnesium oxide composites and method for destruction of chlorinated hydrocarbons using such composites
10/17/1995US5458858 Integrated procedure for high yield production of chlorine dioxide
10/17/1995US5458781 Bromide separation and concentration using semipermeable membranes
10/17/1995US5458674 Sorbing hydrofluoric acid of a mixture onto sulfonic acid group containing fluoropolymer beads, isolating the polymer and recovering hf by backflowing an inert gas through beads
10/11/1995EP0676386A1 Process for de separation of 1,1-difluoroethane from its mixtures with hydrogen fluoride
10/10/1995US5457267 Dehalogenation of forming hydrofluoric acid, hydrogen bromide, scrubbing in an absorption column using water, hydrochloric acid and compressed air or steam to separate, recover reusable products
09/1995
09/27/1995EP0625957A4 Acid regeneration.
09/27/1995CN2208565Y Hydrochloric acid synthesis furnace with new device for homogenizing distribution absorption solution
09/26/1995CA2037160C Amorphous alloy catalysts for decomposition of flons
09/13/1995CN2207379Y Chlorine preparing unit with absorption plant
09/12/1995US5449848 Dehydrogenation process
09/05/1995CA1336889C Treatment of iodine deficiency diseases
08/1995
08/30/1995EP0669303A1 Process for the separation of hydrogen fluoride and difluoromethane
08/30/1995EP0669283A1 Production of phosphoric acid
08/30/1995EP0417194B1 Method and apparatus for purifying hydrogen fluoride
08/30/1995CN2206283Y Fluorhydric acid purified liquid and solid separating rakeless setting path
08/23/1995EP0517723B1 Process for purifying hydrogen fluoride
08/22/1995US5443804 System for the manufacture of methanol and simultaneous abatement of emission of greenhouse gases
08/16/1995EP0666830A1 Method of recovering iodine from iodated organic compounds
08/02/1995EP0665203A1 Process for purification of 1,1,1-trifluoro-2-chloroethane
08/01/1995US5437848 Recovery of metal values from process residues
08/01/1995US5437711 Method of purifying chlorine-containing gases
08/01/1995US5437691 Production of spherical shaped products of subliming substances
07/1995
07/27/1995DE4402028A1 Regeneration of spent hydrofluoric acid esp. pickling acid
07/20/1995WO1995019211A1 Recycling of wafer cleaning substances
07/19/1995EP0662859A1 Method and apparatus for cleaning a gas.
07/12/1995CN1104992A Method for treating ferrous salt in industrial halogen hydrogen acid
07/05/1995EP0660803A1 Process for converting hexafluoroarsenic acid or any salt thereof to a water insoluble arsenate salt which can then be rendered nonhazardous.
06/1995
06/29/1995WO1995017366A1 Process for purifying 1,1,1,3,3-pentafluoro-2,3-dichloropropane
06/29/1995WO1995017344A1 Process for extracting hydrochloric acid from bromine- and iodine-containing smoke gas
06/28/1995EP0659686A1 Process and installation for the purification of an aqueous solution of an alkali metal chloride
1 ... 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 ... 60