| Patents for C01B 7 - Halogens; Halogen acids (5,959) |
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| 11/14/2002 | US20020168315 Hydrogen fluoride recovery process |
| 11/06/2002 | EP0973689B1 Hydrogen fluoride recovery process |
| 11/06/2002 | EP0754163B1 Metal oxide composites and method for destruction of unwanted fluids using such composites |
| 11/05/2002 | US6476112 Calcium-iron oxide composite particles |
| 10/31/2002 | WO2002057720A3 Method for regulating water concentration in a process stream |
| 10/31/2002 | US20020159945 Contacting a gas containing at least two hydrogen halides with an adsorbent, whereby the adsorbent selectively adsorbs and retains atleast one of the hydrogen halide |
| 10/31/2002 | US20020157952 Adding sulfuric acid to an acid treatment solution which contains a non-alkaline metal ions to produce sulfate, and recovering the regenerated acid treatment solution by separating the sulfate (aluminum sulfate) |
| 10/30/2002 | EP1252102A1 Fluorine removal by ion exchange |
| 10/30/2002 | CN1377323A Method for producing high-purity hydrochloric acid |
| 10/29/2002 | US6471934 Disproportionation of sulfuryl chloride fluoride |
| 10/24/2002 | US20020156331 Hydrogen fluoride recovery process |
| 10/24/2002 | US20020155057 Method for regulating water concentration in a process stream |
| 10/24/2002 | DE19939951C2 Verfahren für einen Brenner und eine entsprechende Vorrichtung Method for a burner and a corresponding device |
| 10/23/2002 | EP1251100A1 Method for producing chlorine |
| 10/17/2002 | WO2002045511A3 Concentrated aqueous bromine solutions and their preparation |
| 10/17/2002 | US20020150820 Positive electrode active material and lithium ion secondary battery |
| 10/17/2002 | US20020150634 Water treatment |
| 10/17/2002 | US20020150527 Catalyst composition and method of controlling PFC and HFC emissions |
| 10/17/2002 | US20020150521 Transportation of hydrogen fluoride |
| 10/10/2002 | WO2002078820A1 Method for the purification of corrosive gases |
| 10/02/2002 | EP1244825A1 Regenerating spent pickling liquor |
| 10/02/2002 | DE10115345A1 Verfahren zur Aufreinigung von korrosiv wirkenden Gasen A method for purifying corrosive gases |
| 10/01/2002 | US6457327 Directly contacting the diluted gas with a cryogenic liquid having a temperature less than or equal to -150 degrees f., thereby producing a vapor lean in the fluorine compounds and liquid enriched with the fluorine compounds |
| 09/25/2002 | EP1242638A1 A process for the recovery of copper from aqueous solutions containing iodinated organic compounds |
| 09/25/2002 | EP0946407B1 Device and method for the storage, transportation and production of active fluorine |
| 09/24/2002 | USRE37853 Fast quench reactor and method |
| 09/18/2002 | CN1369429A Vertical airflow type hydrogen fluoride gas generator |
| 09/17/2002 | US6451280 Process for regeneration of acids from spent acids |
| 09/17/2002 | US6451274 A fluoride fixing reactor for forming calcium fluoride by allowing cooled hydrogen fluoride to contact calcium fluoride by allowing cooled hydrogen fluoride to contact calcium carbonate; and wherein the processing process comprises a dry |
| 09/12/2002 | US20020127173 Process for utilizing waste salt mixtures from halex reactions |
| 09/12/2002 | US20020125189 Contacting the soultion with a membrane having a hydrophilic surface containing polar groups, and facilitates filtration of particulates of the solution, a ligand is covalently linked with polar groups, ligand have affinity for metal ions |
| 09/05/2002 | DE10109782A1 Verfahren zur adsorptiven Trennung von Halogenwasserstoffen Method of adsorptive separation of hydrogen halides |
| 09/04/2002 | EP1236680A2 Process for adsorptive separation of hydrogen halides |
| 09/04/2002 | EP0900191B1 Organic base hydrogenofluorosulphonates, their use in releasing organic bases from their fluorohydrate, method of preparation thereof, compound containing them |
| 09/03/2002 | US6444107 Method and device for the simultaneous production of acid and base of high purity |
| 08/29/2002 | US20020117450 Composition and process for removing moisture from hydrogen halides |
| 08/28/2002 | CN1089616C On-site generation of ultra-high-purity hydrogen peroxide for semiconductor processing |
| 08/22/2002 | WO2002065097A1 Method for measuring elements in a substrate for optics, electronics or optoelectronics |
| 08/22/2002 | US20020114759 Process for the production of hydrochloric acid and neutralized sulfates |
| 08/22/2002 | US20020114758 Production of anhydrous acid from byproduct or waste chlorinated materials |
| 08/22/2002 | US20020112608 Gas purification unit |
| 08/21/2002 | EP1232997A1 Method of treating an acid treatment solution, device for treating the solution, and method of fabricating a support for a planographic printing plate |
| 08/21/2002 | EP1232782A2 A gas purification unit |
| 08/15/2002 | WO2002018675A3 Process for the electrolysis of technical-grade hydrochloric acid contaminated with organic substances using oxygen-consuming cathodes |
| 08/14/2002 | CN2505468Y Graphite HCI synthetic furnace device capable of by-producing steam |
| 08/14/2002 | CN2505467Y Graphite HCI synthetic furnace device capable of producing hot-water as by-product |
| 08/14/2002 | CN1363510A Process for defluorinating anhydrous hydrogen chloride |
| 08/13/2002 | US6432277 Method for reducing metal ion content in a chemical compound with a dipole moment |
| 08/07/2002 | EP1228000A1 Production of fumed silica |
| 08/06/2002 | US6428764 Process for the production of calcium fluoride |
| 08/01/2002 | US20020101162 Microwave plasma generator, method of decomposing organic halide, and system for decomposing organic halide |
| 07/31/2002 | EP0994090B1 Azeotropic mixture of perfluoroalkyl iodide and hydrogen fluoride, and method for isolating and purifying perfluoroalkyl iodides |
| 07/30/2002 | US6426443 Catalytic process for the decomposition of perfluoroalkanes |
| 07/30/2002 | US6425946 Reducing the concentration of hydrocarbon while not emitting higher levels of other contaminants |
| 07/30/2002 | US6425265 Process and apparatus for purifying hydrogen bromide |
| 07/30/2002 | CA2107472C Production of phosphoric acid and hydrogen fluoride |
| 07/25/2002 | WO2002057720A2 Method for regulating water concentration in a process stream |
| 07/25/2002 | US20020098133 Production of one or more useful products from lesser value halogenated materials |
| 07/25/2002 | US20020096049 Method and apparatus for removing trace impurities from a reactive gas using preconditioned ultra-low emission carbon material |
| 07/25/2002 | CA2435326A1 Method for regulating water concentration in a process stream |
| 07/24/2002 | EP1225650A2 Positive electrode active material and lithium ion secondary battery |
| 07/23/2002 | US6423290 Method for recovering an organic solvent from an acidic waste stream such as in integrated chip manufacturing |
| 07/23/2002 | US6423267 Stable oxidizing bromine formulations, method of manufacture and uses thereof for biofouling control |
| 07/18/2002 | WO2002055457A2 Process for purifying octafluoropropane, process for preparing the same, and use thereof |
| 07/18/2002 | DE10101394A1 Re-utilization of Halex reaction salt mixture by-product involves treating with sulfuric acid and then calcium fluoride to give a calcium sulfate binder useful in building materials |
| 07/11/2002 | WO2002053277A1 Method and device for carrying out a reaction in liquid medium with gas evolution |
| 07/04/2002 | WO2002051525A1 Methods and apparatus for removing trace impurities from inert and non-reactive gases and reactive gases and fluids |
| 07/03/2002 | EP1218291A1 Method for producing high-purity hydrochloric acid |
| 07/02/2002 | CA2066017C Azeotropic mixture of hydrogen fluoride and 1,1,1-trifluoro-2-chloroethane and process for purification of 1,1,1-trifluoro-2-chloroethane |
| 07/02/2002 | CA2062493C Method for treating a gas mixture containing electrolytic fluorine and possibly uranium containing compounds |
| 06/27/2002 | WO2002019826A3 Production of concentrated biocidal solutions |
| 06/27/2002 | US20020081237 On-site generation of ultra-high-purity buffered-HF and ammonium fluoride |
| 06/27/2002 | US20020079478 Bubbling purified ammonia vapor into ultra-pure hydrofluoric acid and directly supplying to points of use in semiconductor fabrication facility |
| 06/27/2002 | US20020078825 Method and apparatus for removing trace impurities from a gas using superactivated carbon material |
| 06/26/2002 | CN1355768A Energy-activated compositions for controlled sustained release of gas |
| 06/20/2002 | WO2002048028A1 Electrochemical purification of chlorine |
| 06/20/2002 | US20020074946 Microwave plasma generator, method of decomposing organic halide, and system for decomposing organic halide |
| 06/19/2002 | EP1214278A2 Regeneration of onium fluoride-hf adducts |
| 06/19/2002 | CN1354123A fluorine gas generator |
| 06/19/2002 | CN1086319C System and method of ammonia purification for semicondcutor manufacture |
| 06/13/2002 | WO2002045511A2 Concentrated aqueous bromine solutions and their preparation |
| 06/13/2002 | US20020070670 Microwave plasma generator, method of decomposing organic halide, and system for decomposing organic halide |
| 06/13/2002 | US20020070669 Microwave plasma generator, method of decomposing organic halide, and system for decomposing organic halide |
| 06/13/2002 | CA2430833A1 Concentrated aqueous bromine solutions and their preparation |
| 06/12/2002 | EP1212258A1 Method for a burner and a corresponding device |
| 06/11/2002 | US6402930 Aqueous solution; gas diffusion cathode |
| 06/06/2002 | WO2002044117A1 Hydrogen halide separation |
| 06/06/2002 | US20020067753 Integrated dual source recycling system for chemical laser weapon systems |
| 06/06/2002 | US20020067752 Recycling system for a chemical laser system |
| 06/04/2002 | USH2029 Containment baffles and hydrogen fluoride detectors that activate water flood means which discharge into the containment baffles; water flood containing all of the hydrogen fluoride release is recovered for disposal |
| 06/04/2002 | US6399841 Solvent extraction |
| 05/30/2002 | WO2001087235A3 Method for producing[18f]fluoride ion |
| 05/30/2002 | US20020063530 Microwave plasma generator, method of decomposing organic halide, and system for decomposing organic halide |
| 05/30/2002 | US20020063052 Process for removing arsenic compounds from the distillation bottoms from the preparation of hydrogen fluoride |
| 05/29/2002 | EP1208063A2 Process for the recovery of chlorine from iron chlorides |
| 05/29/2002 | EP0739228B1 Recycling of wafer cleaning substances |
| 05/15/2002 | CN1084643C Catalysts for preparing chlorine from hydrogen chloride |
| 05/14/2002 | US6388126 Base is chosen from amines (including cyclic amines) and imines (including aromatic heterocycles) |
| 05/14/2002 | US6387345 Without absorption/desorption steps with extrinsic absorbents; injection condensation, phase separation, drying, recuperative liquefaction/distillation of chlorine, purge gas purification with hydrochloric acid by absorbtion/stripping; recirculation |
| 05/02/2002 | EP1200344A1 Method of recovering fumed silica from spent potliner |