Patents
Patents for C01B 7 - Halogens; Halogen acids (5,959)
03/1986
03/18/1986CA1202071A1 Method and apparatus for maintaining the ph in zinc- bromine battery systems
02/1986
02/25/1986US4572827 Process for preparing finely-divided silicon dioxide in good yield
02/19/1986EP0171570A1 Process and apparatus for eliminating sulphur dioxide from hot exhaust gases
02/12/1986EP0171316A1 Process and apparatus for contacting at least two gaseous components reacting at high temperatures
01/1986
01/14/1986US4564509 Method and apparatus for improved gettering for reactant gases
01/07/1986US4562778 High temperature reaction apparatus
01/02/1986EP0166157A2 Silicon and/or fluorine treated alumina
12/1985
12/31/1985CA1198736A1 Process for decomposing a hydrogen fluoride and boron trifluoride ortho-benzoyl benzoic complex
12/27/1985EP0165543A2 Recovery of chlorine
12/17/1985US4559218 Process and apparatus for preparing finely-divided silicon dioxide having good thixotropic properties
12/10/1985US4558167 Extractive distillation, without reaction
12/04/1985EP0163565A1 Process for preparing hydrogen fluoride by reacting sulphuric acid with fluor spar in a rotating furnace
11/1985
11/13/1985EP0160737A2 Removal of arsenic from hydrogen fluoride
11/12/1985US4552566 Globulous products of subliming substance, its manufacturing process and manufacturing apparatus
11/05/1985US4551325 Method for conducting a chemical process in a packed multi-tubular reactor
10/1985
10/29/1985CA1195825A1 Production of anhydrous hydrofluoric acid
09/1985
09/25/1985EP0145728A4 Extraction of metals from ores.
08/1985
08/27/1985US4537835 Using molten salts and oxidizing catalyst; reacxtion free fo sulfur oxide gases
08/13/1985CA1191889A1 Metal halogen battery construction with improved technique for producing halogen hydrate
08/07/1985EP0150285A1 Process for the electrolytic production of fluorine and novel cell therefor
08/07/1985EP0077331B1 Process and device for manufacturing synthetic anhydrous calcium sulphate and pure hydrofluoric acid
08/06/1985CA1191544A1 Halogen hydrate storage device for mobile zinc- chloride battery systems
07/1985
07/30/1985CA1191198A1 Multiple stage multiple filter hydrate store
07/30/1985CA1191159A1 Method for decomposition of halogenated organic compounds
07/30/1985CA1191017A1 Process for producing hydrogen fluoride
07/09/1985US4528174 Method for preparing hydrogen chloride for the ethyleneoxichlorination process
07/09/1985US4528101 Method of separating acid from salt by adsorption with recycling
07/02/1985US4526650 Mixing pickling acid comprising iron, chrome, nickel, nitric and hydrofluoric acids with sulfuric acid, evaporating, crystallizing, where crystallization is promoted by dividing metal salt, precipitating separately
06/1985
06/26/1985EP0145850A1 Process for the treatment of hydrogen chloride as a charge component for the oxychlorination of ethylene
06/26/1985EP0145728A1 Extraction of metals from ores
06/19/1985EP0144491A2 A process for the production of anhydrous hydroeluoric acid
05/1985
05/28/1985US4519999 Waste treatment in silicon production operations
05/28/1985US4519806 Dissolving and hydrating cocrystallized burkeite and anhydrous sod
05/22/1985EP0142103A1 Method for conducting a chemical process in a packed multi-step tubular reactor
05/02/1985EP0139273A2 Process for the treatment of hydrogen chloride containing chlorine, ethylene and/or acetylene
04/1985
04/17/1985EP0137160A1 Process and installation for the recovery of hydrogen chloride from chlorinated hydrocarbon residues
04/16/1985US4511440 Process for the electrolytic production of fluorine and novel cell therefor
04/02/1985US4508593 Reacting sulfur dioxide, chlorine gas and water to give hydrochlo9ic and sulfuric acid
03/1985
03/27/1985EP0134947A1 Method and apparatus for improved gettering for reactant gases
03/19/1985US4505884 Removing calcium, precipitation of a fluoroaluminum phosphate, thermal decomposition
01/1985
01/29/1985US4496760 Process of decomposition of a complex of ortho-benzoyl benzoic acid, hydrogen fluoride and boron trifluoride
01/02/1985CA1180317A Catalytic decomposition of hypochlorite using substituted cobalt oxide spinels
01/01/1985US4491571 Reaction of calcium fluoride with sulfuric acid
01/01/1985US4491570 Removal of arsenic from hydrogen fluoride
12/1984
12/25/1984US4490343 Method for the separation of chlorosilanes from a gaseous mixture containing hydrogen chloride and hydrogen
12/18/1984US4488884 Process for the production of aqueous hydrochloric acid having a concentration of at least 35.5% by weight
12/11/1984US4487752 Oxidation ammonium iodide in presence of transition metal compound and weak acid
12/06/1984WO1984004759A1 Extraction of metals from ores
12/05/1984EP0127520A1 Device for high temperature reaction
11/1984
11/27/1984US4485081 Oxidation of chloronated hydrocarbons in presence of fluidized bedalumina catalyst with copper and iron
11/20/1984CA1178026A1 Treatment of chlorination residue
11/13/1984US4482770 Hydrochlorination
11/06/1984CA1177222A1 Apparatus for producing an alkali metal salt of a mineral acid, and a process
10/1984
10/30/1984US4479927 Solidification, heating, transferring to second trap, and injection with water
10/30/1984US4479926 Combustion, scrubbing
10/16/1984US4477425 Production of anhydrous hydrogen fluoride from low-grade metallic fluorides and sulfuric acid
10/09/1984CA1175638A1 Process and apparatus for preparing finely-divided silicon dioxide in good yield
10/09/1984CA1175637A1 Process and apparatus for preparing finely-divided silicon dioxide having good thixotropic properties
10/03/1984EP0120491A1 Chlorine hydrate tank
10/02/1984CA1175210A1 Process for the purification of hydrogen chloride obtained by the thermal cracking of 1,2- dichloroethane
09/1984
09/25/1984CA1174832A1 Method and arrangement for concentrating mineral acids, especially sulphuric acid
09/11/1984CA1174012A1 Process for recovery of sulfur dioxide liberated in the chemical pulping of lignocellulosic material
09/05/1984EP0117616A1 Preparation of aluminium fluoride from scrap aluminium cell potlinings
08/1984
08/28/1984US4468376 Disposal process for halogenated organic material
08/07/1984US4464351 Process for the thermal destruction of solid metable halogenated waste with resultant production of hydrogen halide therefrom
08/01/1984EP0114226A2 Process for the separation of chlorosilanes from a gaseous mixture with hydrogen chloride and hydrogen
07/1984
07/31/1984US4462976 Converting chlorides to calcium chloride, adding sulfuric acid to produce gypsum and hydrochloric acid
07/31/1984CA1171725A1 Gasified ice process and product
07/24/1984US4461745 Self regenerating catalytic reactor
07/24/1984US4461711 Adding acid to liquid phase, then filtration with active carbon
07/17/1984US4460551 Process and device for manufacturing synthetic anhydrous calcium sulphate and pure hydrofluoric acid
07/17/1984CA1170816A1 Production of mixed acid feed for chlorine dioxide generation
07/11/1984EP0113159A1 Zinc-bromine battery and operation thereof
07/04/1984EP0026201B1 Disposal of pcb
06/1984
06/26/1984CA1169885A1 Recovery of chlorine values in integrated process for oxychlorination and combustion of chlorinated hydrocarbons
06/26/1984CA1169630A1 Process for producing potassium sulfate
06/19/1984CA1169229A1 Method for curtailing phosphorous impurity in the production of smelter grade alf.sub.3
05/1984
05/08/1984US4447405 Oxidation with hydrogen peroxide, ozone, or chromium
05/02/1984EP0106934A1 Process for recovering iodine from mother liquor and waste water containing organic iodides
05/01/1984CA1166426A1 Aluminum electrolytic cell cathode waste recovery
05/01/1984CA1166425A1 Method of manufacturing potassium sulfate
04/1984
04/24/1984US4444740 Method for the recovery of fluorides from spent aluminum potlining and the production of an environmentally safe waste residue
04/24/1984CA1165979A1 Process for destruction of hypochlorite
04/17/1984CA1165780A1 Recovery of chlorine values in integrated process for oxychlorination and combustion of chlorinated hydrocarbons
04/17/1984CA1165533A1 Method of preparing high purity ferrous sulfate hydrate crystals from hydrochloric acid waste pickle liquor
04/10/1984US4442227 Substituted cobalt oxide spinels for catalytic decomposition of hypochlorite
04/03/1984US4440595 Apparatus for concentrating mineral acids
03/1984
03/28/1984EP0103863A1 Device for preparing a hydrochloric acid solution
03/27/1984CA1164358A1 Process for extracting iodine
03/13/1984US4436710 Method of manufacturing potassium sulfate
03/13/1984US4436681 Process for producing iron oxide weighting material from iron chloride solutions
03/07/1984EP0102297A2 Process for the decomposition of a complex of ortho-benzoyl-benzoic acid, hydrofluoric acid and boron trifluoride
02/1984
02/28/1984US4434241 Rhodium, lithium, idoine values
02/22/1984EP0101282A1 A method for producing iodine or iodine derivatives
02/22/1984EP0101127A1 Process for obtaining hydrogen chloride free from acetylene starting from mixtures containing hydrogen chloride, vinyl chloride and acetylene
02/22/1984EP0100783A1 Process for conducting endothermic operations
02/21/1984US4432955 Dissolving in nitric acid, distillation
02/21/1984CA1162492A1 Process for dehalogenation of brine
02/21/1984CA1162383A1 Process for producing hydrogen fluoride from fluorine containing material by continuous pyrohydrolysis
02/07/1984US4430315 Catalytic decomposition of hypochlorite using substituted cobalt oxide spinels
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