Patents
Patents for C01B 7 - Halogens; Halogen acids (5,959)
10/1993
10/28/1993WO1993021140A1 Method of removing hydrogen fluoride
10/28/1993CA2118003A1 Plasma torch processing of spent aluminum smelter potliner
10/27/1993EP0566785A1 Method for deagglomerating and re-exposing catalyst in a fluid bed reactor
10/20/1993CN1077399A Method for deagglomerating and re-exposing catalyst in a fluid bed reactor
10/19/1993US5254323 Industrial process for the separation and recovery of chlorine
10/19/1993US5254226 Electrolytic cell assembly and process for production of bromine
10/13/1993EP0565330A1 A process and an electrolytic cell for the production of fluorine
10/12/1993US5252767 Process for the preparation of organosiloxanes
10/06/1993EP0563816A1 Process for the disposal of halons or halons containing fluorohydrocarbons or fluorochlorohydrocarbons
10/05/1993CA2093299A1 Process and an electrolytic cell for the production of fluorine
10/05/1993CA1322649C Recovery of fluoride values from waste materials
09/1993
09/22/1993EP0561554A1 Hydrogen chloride recovery process
09/21/1993US5246682 Process for waste liquid-free processing of chlorosilane distillation residues with hydrochloric acid
09/16/1993WO1993017972A1 Method of recovering volatile acids
08/1993
08/19/1993WO1993016000A1 Acid regeneration
08/18/1993EP0555960A2 Method for separating conjunct poylmeric byproducts from a mixture containing hydrofluoric acid and sulfolane
08/18/1993CN1075297A Process for production of synthetic hydrochloric acid at slightly corrosion and high yield and its equipment
08/17/1993US5236562 Method for discharging hydrogen from a vacuum vessel using a roughing vacuum pump and a turbo-molecular pump
08/17/1993US5235815 Freezing, centrifugin, liquefying, withdrawing, volatilizing
08/11/1993CN1075134A Improved process for separating and recovering fluorocarbons and hydrogen fluoride from mixtures thereof
08/10/1993US5235000 Maintaining an inert atmosphere containing a low carbon monoxide concentration over the bromine chloride to prevent formation of carbonyl halide
08/05/1993WO1993014868A1 CeBr3 CATALYST AND PROCESS FOR PRODUCING BROMINE
07/1993
07/28/1993EP0552170A1 Alkali metal hydroxide generation system and the method therefor
07/21/1993EP0551838A2 Treatment of the hydrogen fluoride-phase from reaction mixtures
07/13/1993US5227483 Reaction with non-volatile acid to liberate the amine and the volatile acid
07/13/1993CA1320120C2 Industrial process for the separation and recovery of chlorine
07/13/1993CA1320037C Oxidation hydrolysis of iodoalkanes
07/07/1993EP0379512B1 Oxyiodination incorporating an iodine generator for the conversion of methyl iodide to iodine
06/1993
06/29/1993US5222448 Plasma torch furnace processing of spent potliner from aluminum smelters
06/24/1993WO1993012033A1 Process for purifying hydrogen fluoride
06/22/1993CA1319316C Industrial process for the separation and recovery of chlorine
06/15/1993US5219671 Electrolysis of hydrophalic acid, reacting water with produced halogen, separating formed hydrogen halide and oxygen and solvating hydrogen halide to produc concentrated hydrohalic acid
06/15/1993US5219551 Process for preparing hydrogen fluoride
06/10/1993WO1993011065A1 Improvements in halogen generators
06/10/1993WO1993010875A1 Recovery of substantially pure anhydrous hydrogen fluoride (hf) from mixtures comprising acyl fluorides or water
06/09/1993EP0545663A1 Purification of hydrogen chloride containing hydrolyzable organic silicon compound
06/01/1993US5215723 Compact anhydrous HCl to aqueous HCl conversion system
05/1993
05/27/1993WO1993010038A1 Regeneration of hydrochloric acid
05/27/1993WO1993010037A1 Improvements in halogen generators
05/26/1993CN1020883C Process for purifying hydrogen fluoride
05/25/1993US5214223 Method of preparing fluorine-containing ethane derivatives
05/19/1993EP0542290A1 Process for the separation of a mixture containing hydrogen fluoride and 1-chloro-2,2,2-trifluoroethane
05/18/1993US5211020 Process for separating hfa 134a
05/16/1993CA2082844A1 Process for the separation of a mixture containing hydrogen fluoride and 1-chloro-2,2,2-trifluoroethane
05/06/1993DE4136272A1 Simplified fluorine@ gas prodn. for excimer laser gas discharge chamber - by heating metal fluoride in temp. adjustable reactor
05/05/1993EP0539893A1 Production of highly pure hydrogen fluoride
05/05/1993EP0539892A1 Separation of water and/or hydrocarbons from hydrogen fluoride
05/04/1993US5207999 Generation of fluorine via thermal plasma decomposition of metal fluoride
05/04/1993CA1317085C Method and apparatus for extracting saturated steam in the synthesis of hydrogen chloride gas
04/1993
04/29/1993WO1993008147A1 Improved process for separating and recovering fluorocarbons and hydrogen fluoride from mixtures thereof
04/29/1993CA2120921A1 Improved process for separating and recovering fluorocarbons and hydrogen fluoride from mixtures thereof
04/13/1993US5202106 Long-lasting destruction of reducing properties of activated carbon
04/13/1993US5202102 Pretreatment of dry alumina catalyst with mixture of chlorine and hydrogen chloride in oxygen-free atmosphere improves yield of unsaturated hydrocarbons having reduced amounts of halogens
04/06/1993US5199995 Compounds for removing iron rust scales from water pipes and method therefor
04/01/1993WO1993006048A1 Method and apparatus for treating water and/or wastewater
04/01/1993WO1993006039A1 Process for producing bromine from bromide salts
04/01/1993WO1993006038A1 Process for producing bromine from seawater
04/01/1993WO1993006037A1 Process and catalyst for producing bromine
03/1993
03/24/1993EP0532677A1 Process for the production of elementary iodine.
03/23/1993US5196616 Process for separating and recovering fluorocarbons and hydrogen fluoride from mixtures thereof
03/18/1993WO1993004765A1 Process for purifying flue gas
03/17/1993EP0531836A1 Method for purifying exhaust gas, containing CO2 + HCl + COCl2
03/16/1993CA1314382C Manufacture of high purity low arsenic anhydrous hydrogen fluoride
03/14/1993CA2077235A1 Continuous purification of an off-gas composed of co2 + hc1 + coc12
03/10/1993EP0530766A1 Bromide separation and concentration using nanofiltration
03/04/1993WO1993004216A1 Hydrofluoric acid compositions
03/04/1993WO1993003997A1 Generation of fluorine via thermal plasma decomposition of metal fluoride
03/04/1993DE4129166A1 Verfahren zur reinigung von rauchgas Method for cleaning of flue gas
03/03/1993EP0529768A1 Uranium waste treatment process
03/03/1993EP0529342A2 Removal of hydrogen fluoride from mixture of hydrogen fluoride and dichlorofluoromethane
03/02/1993US5191150 Method for separating conjunct polymeric byproducts from mixture containing hydrofluoric acid and a sulfone
03/01/1993CA2068068A1 Recovery of anhydrous hydrogen fluoride from depleted uranium
02/1993
02/17/1993EP0527309A1 Method for processing chlorosilane distillation waste with hydrochloric acid, producing no waste water
02/16/1993US5186794 Solar radiation heating of solution for electrolysis of aqueous alkali halide which also yields hydrogen and halogen gas; solar cells
01/1993
01/27/1993EP0524526A1 Process for the preparation of organosiloxanes
01/20/1993EP0383826B1 Process for the preparation of copoly(arylene sulfide)
01/19/1993US5180569 Process for the production of phosphoric acid and hydrogen fluoride from phosphate rock and fluosilicic acid
12/1992
12/29/1992US5175330 Reacting with excess of alcohol
12/29/1992US5174865 Evaporation, distillation, condensation to remove ashes heavy metal salts and iron impurities and rendering as useful raw material
12/22/1992US5173291 Dried hydrophobic film of addition polymer complexed with iodine; surgery; bandages; sterilization of skin
12/16/1992EP0518553A1 Method and apparatus for industrially preparing chlorine
12/16/1992EP0518119A1 Reduction of biological activity in water by feeding a solution of BrCl
12/16/1992EP0517723A1 Process for purifying hydrogen fluoride.
12/15/1992US5171900 Method of preparing fluorine-containing ethane derivatives
12/15/1992US5171582 Placing sealed plastic container of prilled iodine in distilled water to produce pure aqueous solution
12/15/1992US5171441 In a pressurized sealed vessel
12/09/1992EP0517427A1 Method and apparatus for concentrating chlorine gas
12/09/1992EP0517228A1 Method for separating and recovering an acid
12/09/1992EP0516917A2 Method for burning halogenated hydrocarbon containing waste
12/08/1992US5169823 Method for stabilizing treatment of catalytic activity
12/01/1992US5167946 From phenol and phosgene in presence of aluminum catalyst
11/1992
11/26/1992DE4116925A1 Chloro-silane or organo:chloro-silane distn. residue treatment - to recover pure hydrogen chloride and useful free running neutral solid, by acid hydrolysis with sulphuric acid at elevated temps.
11/17/1992US5164052 Electrolysis
11/11/1992CN1019009B Process for separation of hf via azeotropic distillation
11/11/1992CN1019008B Process for separation of hf via phase separation and distillation
11/10/1992US5162076 Electrodialysis
10/1992
10/29/1992WO1992018422A1 Inorganic perbromide compositions and methods of use thereof
10/29/1992CA2107895A1 Inorganic perbromide compositions and methods of use thereof
10/27/1992US5158683 Nanofiltration
10/21/1992EP0509885A2 Process for separating hydrogen fluoride from its mixtures with 1,1,1-trifluoro-2-chloroethane
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