Patents
Patents for C01B 7 - Halogens; Halogen acids (5,959)
11/2001
11/07/2001CN2458277Y Positive pressure type graphite hydrochloride synthesizing furnace
11/06/2001US6311515 Process for removal of hydrogen fluoride
10/2001
10/31/2001EP1149861A1 Method for recovering hydrogen chloride from chlorine based waste and use of recovered hydrogen chloride
10/31/2001EP1149049A1 Method for recycling fine calcium fluoride powder
10/30/2001US6309618 Contacting with a treating agent for selectively treating a fluorine component to provide a resultant treated exhaust gas and then contacting the resultant treated exhaust gas with a treating agent for treating the other halogen component.
10/30/2001US6309514 Process for breaking chemical bonds
10/24/2001EP1146953A1 Process for the purification and concentration of radioiodide isotopes
10/17/2001EP1144311A2 Method for reducing the bromide content in an aqueous bromide-containing solution using hydrogen peroxide
10/17/2001EP1042537B1 METHOD FOR ELECTROCHEMICALLY PROCESSING HCl GAS INTO HIGHLY PURE CHLORINE
10/16/2001US6303088 Device for the production of hydrogen bromide gas
10/10/2001EP1140747A1 Method for separating a mixture comprising at least an hydrofluoroalkane and hydrogen fluoride, methods for preparing a hydrofluoroalkane and azeotropic compositions
10/10/2001CN1316983A Purification of 1,1,1,3,3-pentafluorobutane
10/04/2001US20010026787 Feeding sulfuric acid and alkali metal chloride to direct fired chamber; withdrawing product
10/03/2001CN2451564Y Bottom igniting building block type two-in-one graphite hydrogen chloride synthetic furnace
10/02/2001CA2169966C Isoparaffin-olefin alkylation
09/2001
09/25/2001US6294055 Process for the separation of hydrogen fluoride from its mixtures with a hydrofluoroalkane containing from 3 to 6 carbon atoms
09/20/2001US20010022957 Purification of hydrogen fluoride
09/20/2001CA2691933A1 Production of fluoromethyl 2,2,2-trifluoro-1-(trifluoromethyl) ethyl ether
09/19/2001EP1133346A1 A process for the recovery of iodine from aqueous solutions containing iodinated organic compounds
09/18/2001US6291727 Azeotropic or azeotrop-like compositions of hydrofluoric acid with dihaloethanes
09/18/2001US6290927 Method for the removal of unwanted color from hydrochloric acid
09/13/2001US20010021366 Hydrogen chloride scavenger
09/12/2001EP0912475B1 Separation of hydrogen fluoride from a fluorocarbon/hydrogen fluoride azeotropic mixture by sulfuric acid
09/12/2001CN1070906C Process for oxidation of hydrogen chloride
09/11/2001US6287473 Alkaline solution containing stabilizer
09/07/2001WO2001064579A1 Method for recovering hydrogen fluoride
09/07/2001WO2001064578A1 Conversion of hydrogen chloride gas with recovery of chlorine
09/07/2001WO2000002815A3 Method for reducing the bromide content in an aqueous bromide-containing solution using hydrogen peroxide
09/07/2001EP1144311A3 Method for reducing the bromide content in an aqueous bromide-containing solution using hydrogen peroxide
09/05/2001CN1311053A Refining and recovering process for industrial by-product halogen hydride gas
09/05/2001CN1070387C Method for separating substances for a gaseoud medium by dry adsorption
08/2001
08/30/2001WO2000069775A8 Energy-activated compositions for controlled sustained release of a gas
08/29/2001CN1310699A Methods for converting lower altanes and alkenes to alcohols and diols
08/23/2001WO2001060743A1 Method for producing chlorine
08/22/2001EP1125890A1 Disproportionation of sulfuryl chloride fluoride
08/21/2001US6277354 Total energy and reactant mass flow are managed to minimize the build up of deposits of solids on the reactor walls and maximize the conversion of the metal chlorides to metal oxides and chlorine.
08/16/2001US20010014308 Disproportionation of sulfuryl chloride fluoride
08/16/2001US20010013471 Method and device for the simultaneous production of acid and base of high purity
08/16/2001EP0889848B1 Hydrogen fluoride compositions
08/16/2001DE10006247A1 Production of sulfuryl chloride comprises disproportionation of sulfuryl fluoride chloride on active carbon useful as a pesticide
08/15/2001CN1308014A Disproportionation reaction of sulfuric chloride-fluoride
08/14/2001US6273008 Carbon dioxide and oxygen replaces the ordinary air used to fuel the reaction, generating a useful hydrogen chloride and carbon dioxide product, and pollutants are recycled to the incinerator where they are decomposed by combustion
08/09/2001DE10004878A1 Verfahren und Vorrichtung zum gleichzeitigen Herstellen von Säure und Base hoher Reinheit Method and apparatus for the simultaneous production of acid and base of high purity
08/09/2001CA2298132A1 Comprehensive system for utility load leveling hydrogen production, stack gas cleanup, greenhouse gas abatement, and methanol synthesis
08/08/2001EP1121970A2 Method and apparatus for the simultaneous production of high purity acids and bases
08/07/2001US6271189 Azeotropic mixture of perfluoroalkyl iodide and hydrogen fluoride, and method for isolating and purifying perfluoroalkyl iodides
08/07/2001US6271188 Semiconductor cleaning solution
08/07/2001US6270742 Hydrogen fluoride recovery process
08/07/2001US6270722 Stabilized bromine solutions, method of manufacture and uses thereof for biofouling control
07/2001
07/26/2001WO2001053206A1 Ferrous chloride conversion
07/26/2001CA2397820A1 Ferrous chloride conversion
07/25/2001EP1117733A1 Supercritical fluorination
07/18/2001EP1116696A1 Helium recovery method
07/12/2001WO2001049901A1 Regenerating spent pickling liquor
07/12/2001WO2001049601A1 Purification of hydrogen fluoride
07/12/2001WO2001049600A1 Closed loop process for producing chlorine from hydrogen chloride
07/12/2001CA2396452A1 Regenerating spent pickling liquor
07/04/2001EP1112997A2 Process for producing diaryl carbonate
06/2001
06/28/2001US20010004961 Process for the separation of hydrogen fluoride from its mixtures with a hydrofluoroalkane containing from 3 to 6 carbon atoms
06/27/2001EP1109766A1 Purification of 1,1,1,3,3-pentafluorobutane
06/27/2001EP0793619B1 Process for recovery of anhydrous hydrogen chloride from mixtures with non-condensable gases
06/21/2001WO2001044521A1 A process for the recovery of copper from aqueous solutions containing iodinated organic compounds
06/07/2001WO2001040117A1 Fluorine removal by ion exchange
05/2001
05/30/2001CN2432203Y Four-into-one high-purity hydrochloride graphite synthesis tower.
05/30/2001CN1066416C Method and apparatus for producing high purity hydrochloric acid from chlorine tailings as by-product from liquefaction of dry chlorine gas
05/29/2001US6239319 Evaporation of liquid
05/23/2001EP1100747A1 Process for chlorine recovery
05/23/2001CN1295970A Process for preparing reagent hydrochloric acid
05/23/2001CN1295969A Process for separation and recovery hydrogen chloride from water
05/16/2001EP1099666A1 Method for separating hydrogen chloride and water from an aqueous hydrogen chloride solution
05/16/2001EP1099244A2 Method and apparatus for anisotropic etching
05/16/2001CN1065855C Method for separating hydrongen chloride
05/15/2001US6231822 Recovering chloride and sulfate compounds from spent potliner
05/10/2001WO2001032324A1 Method for treating combustion ash of coal and method for desulfurization
05/10/2001WO2001017931A3 Regeneration of onium fluoride-hf adducts
05/10/2001CA2325325A1 Method for separating hydrogen chloride and water from an aqueous hydrogen chloride solution
05/08/2001US6228924 Calcium-iron oxide composite particles and resin molded product containing the same
05/03/2001WO2001030699A1 Magnesium oxide, a mixture of metal oxides, methods for preparation thereof and the use of the materials as frac proppant
05/02/2001EP1094984A1 INDUSTRIAL METHOD FOR CONTINUOUSLY MAKING A PF 5? AND HCl MIXTURE AND RESULTING MIXTURE
05/01/2001US6224844 Process for the production of calcium fluoride
04/2001
04/26/2001WO2000058208A3 Method for producing high-purity solutions using gaseous hydrogen fluoride
04/24/2001US6221830 Purification process for hexafluoroethane products
04/24/2001US6221132 Vacuum preparation of hydrogen halide drier
04/18/2001EP1092678A2 Adsorbent material, method for making said adsorbent and use of said adsorbent in removing water from hydrogen halide
04/17/2001US6217840 Production of fumed silica
04/17/2001US6217836 Recovering carbon, silica and alumina from spent potliner
04/12/2001WO2001025144A1 Method for producing high-purity hydrochloric acid
04/12/2001WO2001025143A1 METHOD AND APPARATUS FOR SYNTHESIS OF HCl
04/12/2001DE19948206A1 Verfahren zur Herstellung hochreiner Salzsäure Method for producing high purity hydrochloric acid
04/12/2001CA2387584A1 Production of high purity hydrochloric acid
04/11/2001EP1089937A1 Gas generation system
04/10/2001US6214310 Partially roasted metal salts are transferred to a secondary roasting chamber where acids adhering to the metal salts are vaporized and the metal salts are oxidized, acid from the primary roasting furnace transferred to an absorption column
04/10/2001CA2045753C Method for the separation of hfa 134a
04/04/2001EP1087920A1 Methods for converting lower alkanes and alkenes to alcohols and diols
04/04/2001EP0793527B1 Method for separating substances from a gaseous medium by dry adsorption
04/04/2001CN1290243A Process for preparing aromatic carboxylic acids with efficient treatments of gaseous effluent
04/03/2001US6211135 Processes for the purification and use of 2,2-dichloro-1,1,1,3,3,3-hexafluoropropane and azeotropes thereof with HF
04/03/2001US6210650 Thermal decomposition of iron chloride in the spent pickling acid to iron oxide and gaseous hydrochloric acid; spent pickling acid at least one compound is admixed which contains nitrogen having a low oxidation number
03/2001
03/28/2001CN2425083Y Mixing burner for hydrochloric acid synthetic furnace
03/27/2001US6207125 Recycling of flux material
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