| Patents for C01B 7 - Halogens; Halogen acids (5,959) |
|---|
| 01/20/1982 | EP0044145A1 Process for the dehalogenation of brine |
| 01/12/1982 | US4310501 Process for producing hydrogen fluoride |
| 01/05/1982 | CA1115492A1 Production of chlorine |
| 12/30/1981 | EP0042530A1 Process for the purification of thionyl chloride |
| 12/29/1981 | US4308244 Process for producing fluorine compounds and amorphous silica |
| 12/15/1981 | US4305917 Method for preparing ammonia and hydrogen chloride from ammonium chloride |
| 12/01/1981 | US4303619 Apparatus for continuously producing potassium sulfate |
| 11/24/1981 | US4302432 Preparation of hydrogen iodide, lithium iodide and methyl iodide |
| 11/17/1981 | US4301137 By contacting hydrogen halides with an acid acceptors |
| 11/17/1981 | CA1112599A1 Specific recovery process for chlorine and carbon dioxide in gaseous mixtures |
| 11/17/1981 | CA1112426A1 Disposal of pcb |
| 11/17/1981 | CA1112425A1 Production of hydrochloric acid |
| 11/17/1981 | CA1112424A1 Production of chlorine dioxide |
| 11/10/1981 | US4299606 Recovery of HF and HCl from gaseous mixtures thereof |
| 11/03/1981 | US4298586 Recovery of hydrofluoric acid from fluosilicic acid |
| 10/20/1981 | US4295945 Process for the production of liquid chlorine |
| 10/13/1981 | US4294816 Process for producing hydrogen fluoride from fluorine containing materials by continuous pyrohydrolysis |
| 10/06/1981 | US4293532 Process for producing hydrogen chloride and ammonia |
| 09/29/1981 | US4292289 Reacting fluoride- and phosphate-bearing ore with fluosulfonic acid |
| 09/29/1981 | US4292287 Method for directly recovering fluorine from gas streams |
| 09/08/1981 | CA1108690A1 Hydrogen/chlorine electrochemical energy storage system |
| 08/26/1981 | EP0034434A1 Process for removing metal values from oxidic materials |
| 08/26/1981 | EP0034184A1 Method for recovering bromine contained in a discharge |
| 08/25/1981 | US4285924 Separation of acids |
| 08/18/1981 | US4284617 Solid compositions for generation fluorine and gaseous fluorine compounds |
| 08/18/1981 | CA1107035A1 Separation process |
| 08/11/1981 | CA1106573A1 Chlorine and iron oxide from ferric chloride - process and apparatus |
| 08/05/1981 | EP0033068A1 Process for reducing the concentration of chloride in a system containing ethylenically unsaturated chlorinated hydrocarbon, water and HCl |
| 08/04/1981 | US4282185 Chlorine and iron oxide from ferric chloride - apparatus |
| 07/28/1981 | CA1105675A1 Recovery of hydrogen chloride in carbochlorination of metal oxides |
| 07/08/1981 | EP0031410A1 Method of desorbing fission iodine from a nitric-acidic fuel solution |
| 07/01/1981 | EP0031200A1 Method of recovering bromine from methyl bromide |
| 06/30/1981 | CA1103901A1 Disposal of waste gases from production of aluminum chloride |
| 06/09/1981 | US4272502 Process for preparing gaseous hydrogen chloride from dilute aqueous hydrochloric acid |
| 05/26/1981 | US4269817 Reaction with sulfuric acid to produce a sulfate and hydrogen chloride; contacting with a molten salt mixture containing an oxygen compound; redox system; conservation of electrical energy |
| 05/19/1981 | US4268492 Process for production of potassium sulfate and hydrochloric acid |
| 04/29/1981 | EP0027607A1 Process for producing a purified oxidation-stable inorganic acid |
| 04/29/1981 | EP0027508A1 Process for preparing ammonia and hydrogen chloride from ammonium chloride |
| 04/29/1981 | EP0027493A1 Process and apparatus for recovering hydrogen fluoride from fluorine-containing materials by pyrohydrolysis |
| 04/28/1981 | CA1099902A1 Process for treating waste acids and apparatus therefor |
| 04/21/1981 | US4263269 Contacting with steam or acid vapors |
| 04/14/1981 | US4261518 Avoiding impingement of flame on walls of combustion vessel |
| 04/14/1981 | CA1099081A1 Pyrohydrolysis process for spent aluminum reduction cell linings |
| 04/14/1981 | CA1099080A1 Pyrohydrolysis system for processing fluorine- containing spent and waste materials |
| 04/14/1981 | CA1099079A1 Modified pyrohydrolysis process for spent aluminum reduction cell linings |
| 03/31/1981 | US4259309 Method for obtaining gaseous hydrogen chloride from dilute aqueous hydrochloric acid |
| 03/31/1981 | US4259298 Dechlorination in presence of reducing agent, recovering chlorine as chloride of reducing agent |
| 03/25/1981 | EP0025613A1 A process for improving the quality of chlorine |
| 03/24/1981 | US4258026 Hydrogen iodide decomposition |
| 03/18/1981 | EP0025427A1 Process and apparatus for converting dissolution water containing or hydrated metal chlorides into metal oxides, thereby producing hydrochloric acid of 30-33 per cent |
| 03/17/1981 | CA1097542A1 Bipolar membranes and method |
| 03/17/1981 | CA1097479A1 Preparation of iodine pentafluoride by direct fluorination of molten iodine |
| 03/17/1981 | CA1097478A1 Production of chlorine dioxide |
| 03/10/1981 | US4255359 Non-polluting oxyhydrochlorination process |
| 03/03/1981 | US4254092 Method for separating hydrogen chloride and hydrogen bromide |
| 01/27/1981 | US4247532 Chlorination of propylene |
| 01/22/1981 | WO1981000099A1 Recovery of hydrogen fluoride from metallic fluoride salts |
| 01/21/1981 | EP0022591A1 Process for preparing hydrogen fluoride |
| 01/20/1981 | US4246255 Disposal of PCB |
| 01/20/1981 | CA1093832A1 Process for the utilization of waste materials from electrolytic aluminum reduction systems |
| 01/20/1981 | CA1093788A1 Process of thermally decomposing chlorides of bi-or multivalent metals |
| 01/07/1981 | EP0021127A1 Process for the pyrogenic production of a finely divided oxide of a metal and/or a metalloid |
| 12/10/1980 | EP0019699A1 Process for the production of gaseous hydrogen chloride from dilute aqueous hydrochloric acid |
| 12/09/1980 | US4238294 Process for recovering heavy metal ions or heavy metal ions and halogen values from solutions comprising a lower aliphatic monocarboxylic acid |
| 12/02/1980 | US4237110 Process for separating and recovering concentrated hydrochloric acid from the crude product obtained from the acid hydrolysis of cellulose |
| 11/18/1980 | US4234555 Adsorption with caf2, sedimentation |
| 11/18/1980 | US4234388 Removal of chlorine from pyrolytic oils |
| 11/12/1980 | EP0018623A1 Process for the production of liquid chlorine |
| 11/12/1980 | EP0018621A1 Process for recovering concentrated hydrochloric acid from crude product obtained from acid hydrolysis of cellulose |
| 11/11/1980 | US4233281 Recovery of hydrogen fluoride from metallic fluoride salts |
| 11/11/1980 | US4233280 Manufacture of anhydrous hydrogen chloride by combusting chlorine-containing organic substances |
| 10/29/1980 | EP0017797A1 Rotating tubular reactor for the heat-treatment of material and process using this rotating tubular reactor |
| 10/28/1980 | US4230681 Method of manufacturing hydrogen chloride from solutions of amine hydrochlorides |
| 10/28/1980 | US4230673 Apparatus for removing nitrogen trichloride from chlorine gas |
| 10/16/1980 | WO1980002116A1 Disposal of pcb |
| 10/15/1980 | EP0017527A1 Iodine extraction process |
| 10/14/1980 | US4227890 Process for cooling and drying chlorine gas |
| 10/07/1980 | CA1086922A1 Purification of chlorine gas |
| 10/07/1980 | CA1086919A1 Recovery of chlorine values from a melt oxidation gas |
| 09/23/1980 | US4224293 Copper chloride or palladium catalyst |
| 09/18/1980 | WO1980001905A1 Method for recovering bromine contained in a discharge |
| 09/16/1980 | US4222997 Concentration, double exchange with sulfuric acid, filtering out ferrous sulfate |
| 09/16/1980 | CA1085589A1 Recovery of chlorine values from iron chloride by- produced in chlorination of ilmenite and the like |
| 09/02/1980 | CA1084668A1 Separation of hydrogen fluoride from hydrogen chloride gas |
| 08/05/1980 | US4216196 Producing superazeotropic hydrochloric acid |
| 08/05/1980 | US4216188 With aluminum and chromium hydroxides |
| 08/05/1980 | CA1082886A1 Process for recovery of iron oxide and chlorine from dust produced in chlorination of titaniferous ores |
| 07/22/1980 | US4213952 Recovery of hydrofluoric acid from fluosilicic acid with high pH hydrolysis |
| 07/22/1980 | US4213951 Recovery of hydrofluoric acid from fluosilicic acid with high pH hydrolysis |
| 07/15/1980 | US4213102 Fluorine generator for chemical lasers |
| 07/09/1980 | EP0013100A2 Recovery of bromine from the effluent gases of a bromine catalysed oxidation process |
| 07/01/1980 | US4210502 Process for recovery of waste H2 SO4 and HCl |
| 06/24/1980 | US4209496 Treatment of offgas from aluminum chloride production |
| 06/24/1980 | US4209489 To yield ammonium chloride and magnetite |
| 06/24/1980 | US4209470 Process for the separation of hydrogen fluoride from its mixtures with 1-chloro-1,1-difluoroethane |
| 06/17/1980 | CA1079488A1 Treatment method of raw materials containing titanium |
| 06/03/1980 | US4206189 Method of producing hydrogen fluoride and silicon dioxide from silicon tetra-fluoride |
| 06/03/1980 | US4206188 Removal of acetylene from HCl streams |
| 05/27/1980 | CA1078147A1 Production of hydrochloric acid by removing hydrogen chloride from combustion gas |
| 05/27/1980 | CA1078139A2 Production of chlorine dioxide |