| Patents for C01B 7 - Halogens; Halogen acids (5,959) |
|---|
| 07/20/1994 | CA2113707A1 Dehydration of mixtures |
| 07/19/1994 | US5330735 Adsorption of silane, silanol, and siloxane contaminants onto hydrophobic polystyrene |
| 07/14/1994 | DE4300638A1 Anhydrous technical hydrogen fluoride purificn. |
| 06/29/1994 | CN1088544A Regeneration of hydrochloric acid |
| 06/28/1994 | US5324873 Cooling, settling and separating liquid mixtures containing varying amounts of hydrogen fluoride |
| 06/23/1994 | WO1994013606A1 Sulfolane purification method |
| 06/23/1994 | WO1994013604A1 Sulfolane purification by hydrocarbon extraction |
| 06/23/1994 | WO1994013602A1 Separation of sulfolane from conjunct polymeric byproducts |
| 06/23/1994 | WO1994013601A1 Method for regenerating hf/sulfolane alkylation catalyst |
| 06/23/1994 | WO1994013600A1 Method for separating conjunct polymeric byproducts from mixture containing hydrofluoric acid and a sulfolane |
| 06/22/1994 | CN2169621Y Synthetizing furnace for hydrochloric acid |
| 06/22/1994 | CN1088195A Process for removal of hydrogen fluoride |
| 06/15/1994 | EP0601373A1 Process for separating hydrogen fluoride from its mixtures with chlorofluorohydrocarbons 123 and/or 124 |
| 06/09/1994 | WO1994012435A1 Process for making solutions containing basic zirconium and hafnium chlorides |
| 06/08/1994 | EP0599903A1 Hydrofluoric acid compositions. |
| 06/07/1994 | US5318706 Purifying by diffusion through a resin membrane |
| 06/07/1994 | CA1329991C Process for separately recovering uranium and hydrofluoric acid from waste liquor containing uranium and fluorine |
| 06/01/1994 | DE4240078A1 Purificn. and concn. of dil, impurite hydrochloric acid - by pptn. of acid impurities esp. hydrofluoric acid as useful aluminium salt and vacuum microfiltration before azeotropic distn. |
| 05/31/1994 | US5316998 Activated alumina promoted with alkali metal |
| 05/31/1994 | US5316663 Process for the treatment of halogenated hydrocarbons |
| 05/25/1994 | EP0598368A1 Process for the recovery of iodine |
| 05/25/1994 | CN1087062A Decomposition process for ammonium chloride |
| 05/24/1994 | US5314614 Process for hydrotreating an organic feedstock containing olefinic compounds and a halogen component |
| 05/11/1994 | WO1994010083A1 Method of recovering iodine from iodated organic compounds |
| 05/11/1994 | EP0596514A1 Recovery of HF from hydrocarbon streams |
| 05/11/1994 | CA2147373A1 Method of recovering iodine from iodated organic compounds |
| 05/05/1994 | DE4236724A1 Verfahren zur Rückgewinnung von Jod aus jodierten organischen Verbindungen Process for the recovery of iodine from iodinated organic compounds |
| 05/04/1994 | EP0595492A1 Treatment of waste containing metal chlorides |
| 05/03/1994 | US5308383 Method for separating chlorine from a mixture of gases |
| 05/01/1994 | CA2108114A1 Treatment of waste containing metal chlorides |
| 04/27/1994 | EP0594558A2 Industrial process for the separation and recovery of chlorine |
| 04/27/1994 | EP0593771A1 Method of recovering volatile acids |
| 04/19/1994 | US5304522 Liquid acid regeneration method |
| 04/19/1994 | US5304284 Methods for etching a less reactive material in the presence of a more reactive material |
| 04/19/1994 | CA1328556C Production process of chlorine |
| 04/14/1994 | WO1994007590A1 Method and apparatus for cleaning a gas |
| 04/13/1994 | CN2161602Y Hydrogen chloride generator by sulphuric acid extracting method |
| 04/12/1994 | US5302246 Method of managing liquid steams in a pulp mill |
| 04/12/1994 | US5302187 Concentration process of gaseous chlorine |
| 04/06/1994 | CN1084824A Process for the purification of an aqueous solution of alkali metal chloride to remove iodine |
| 04/06/1994 | CN1084822A Process for the purification of gaseous hydrochloric acid |
| 04/05/1994 | US5300709 Process for working up a hydrogen fluoride phase from a fluorination reaction mixture |
| 04/05/1994 | US5300228 Method for separating and recovering an acid |
| 03/31/1994 | WO1994006716A1 Process for converting hexafluoroarsenic acid or any salt thereof to a water insoluble arsenate salt which can then be rendered nonhazardous |
| 03/31/1994 | DE4232177A1 Converting liq. residue from chloro-silane synthesis to solid - by reacting with water or sulphuric acid and addn. of silica, giving free-running prod. and pure hydrogen chloride |
| 03/30/1994 | CN1084427A Desuiphurisation of waste gases |
| 03/29/1994 | US5298075 Furnace tube cleaning process |
| 03/23/1994 | EP0588676A1 Process for the separation of hydrogen fluoride from its mixtures with 1,1,1-trifluoro-2-chloroethane |
| 03/22/1994 | US5296017 Method and apparatus for concentrating chlorine gas |
| 03/17/1994 | DE4303836C1 Anhydrous technical hydrofluoric acid purificn. by electrolysis - in presence of small amt. of water to minimise electrode corrosion |
| 03/15/1994 | CA1327694C Conversion of calcium compounds into solid and gaseous compounds |
| 03/03/1994 | WO1994004631A1 Municipal solid waste disposal process |
| 03/02/1994 | CN1083037A Process for purifying 1,1,1,2-tetrafluoroethane |
| 02/23/1994 | EP0583551A1 Process for purifying 1,1,1,2-tetrafluoroethane |
| 02/23/1994 | CN1082511A Process and apparatus for treating copper chloride etching waste liquor |
| 02/22/1994 | US5288662 Low ozone depleting organic chlorides for use during silicon oxidation and furnace tube cleaning |
| 02/16/1994 | EP0582914A1 Process for the formation of pure concentrated hydrochloric acid from sewage |
| 02/16/1994 | CN1081936A Hci adsorbent and method for making and using same |
| 02/08/1994 | US5284605 Method of treating gas based on electrolytic fluorine containing uranium compounds |
| 02/03/1994 | WO1994002538A1 Process for the thermal recycling of waste pvc with the recovery of heat and anhydrous hydrogen chloride |
| 02/02/1994 | EP0580780A1 Inorganic perbromide compositions and methods of use thereof |
| 02/02/1994 | EP0460110B1 Process for the continuous recovery of hydrogen fluoride gas |
| 01/25/1994 | US5281318 Process for processing a waste etching solution containing a fluorine component and an ammonia component to recover valuables therefrom |
| 01/25/1994 | US5280757 Municipal solid waste disposal process |
| 01/20/1994 | WO1994001205A1 Desulphurisation of waste gases |
| 01/20/1994 | WO1994001190A1 Recovery of metal values from process residues |
| 01/20/1994 | DE4223663A1 Verfahren zum thermischen Recycling von Alt-PVC unter Wärmerückgewinnung und Rückgewinnung von wasserfreiem Chlorwasserstoff The method of thermal recycling of post-consumer PVC with heat recovery and reclamation of anhydrous hydrogen chloride |
| 01/20/1994 | DE4223020A1 Hydrogen fluoride recovery from sulphuric acid or gas contg. fluoride - by spraying acid in countercurrent to gas into reactor with various temp. zones and continuous discharge of gas and acid |
| 01/20/1994 | CA2140128A1 Desulphurisation of waste gases |
| 01/20/1994 | CA2139642A1 Recovery of metal values from process residues |
| 01/19/1994 | EP0579454A1 A process for the recovery of hydrogen chloride and monomeric alkoxysilanes from mixtures of chlorine-containing silicon compounds |
| 01/11/1994 | CA1325996C Process for the separation of hf via azeotropic distillation |
| 01/11/1994 | CA1325995C Process for the separation of hf via azeotropic distillation |
| 01/06/1994 | WO1994000380A1 System for energy storage, hydrogen production and the manufacture of methanol for abating of greenhouse gases |
| 01/05/1994 | CN1080213A Isoparaffin-olefin alkylation |
| 01/04/1994 | US5276243 Separation of hydrofluoric acid, stripping, solvent extraction and recovering |
| 01/04/1994 | US5276225 Process for separating hydrogen fluoride from its mixtures with 1,1,1-trifluoro-2-chloroethane |
| 01/04/1994 | US5275736 Barriers impervious to solids for iodine |
| 12/29/1993 | EP0576335A1 Process for purification of aqueous alkali metal chloride solution for removal of iodine |
| 12/22/1993 | EP0574809A1 Organic chlorides, showing a reduced effect upon the destruction of the ozone layer, for use during silicon thermal oxidation and furnace tube cleaning |
| 12/21/1993 | US5271918 Furnace gas - sulfuric acid contact process for HF manufacture |
| 12/15/1993 | EP0574113A1 Process and apparatus for treating copper chloride etching waste liquor |
| 12/15/1993 | EP0573508A1 Method and device for the production of hydrochloric acid. |
| 12/15/1993 | EP0521087B1 Process for the treatment of an aqueous solution containing mainly nitric and hydrofluoric acids |
| 11/30/1993 | US5266295 Hydrogen peroxide oxidation of bromide to bromide |
| 11/23/1993 | US5264652 Method for separating conjunct polymeric byproducts from mixture containing hydrofluoric acid and a sulfone |
| 11/23/1993 | US5264651 Method for regenerating HF/sulfolane alkylation catalyst |
| 11/23/1993 | US5264650 Sulfolane purification by hydrocarbon extraction |
| 11/23/1993 | US5264123 Acid recycling system |
| 11/23/1993 | US5264097 Precipitation of metals as hydroxides |
| 11/18/1993 | EP0570050A1 Process for the dechlorination of higher chloromethanes |
| 11/18/1993 | EP0570044A1 Concentrated bromine solutions |
| 11/16/1993 | US5262579 Separation of sulfolane from conjunct polymeric byproducts |
| 11/15/1993 | CA2094777A1 Process for dechlorinating higher chloromethanes |
| 11/11/1993 | WO1993022477A1 Electrolytic cell assembly and process for production of bromine |
| 11/11/1993 | WO1993022049A1 Hcl adsorbent and method for making and using same |
| 11/10/1993 | EP0568670A1 Regeneration of hydrochloric acid. |
| 11/03/1993 | EP0568090A1 Isoparaffin-olefin alkylation |
| 11/03/1993 | CN1077933A Process technology of preparing industrial dilute hydrochloric acid |
| 10/28/1993 | WO1993021479A1 Plasma torch processing of spent aluminum smelter potliner |