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Class Information
Number: 423/481
Name: Chemistry of inorganic compounds > Halogen or compound thereof > Hydrogen halide
Description: Products or processes wherein the compound consists of hydrogen and a halogen.

Sub-classes under this class:

Class Number Class Name Patents
423/482 By reacting alkali metal salt with sulfuric acid 30
423/483 Hydrogen fluoride 162
423/488 Recovery or purification 303
423/486 Utilizing an element as reactant 43

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8647493 Electrochemical co-production of chemicals employing the recycling of a hydrogen halide Feb. 11, 2014
8642005 Method for producing hydrogen via a thermochemical route, based on hydrochlorination of cerium Feb. 4, 2014
8506925 Iodine-sulfur cycle for nuclear hydrogen production with improved thermo-chemical efficiency Aug. 13, 2013
8268284 System and method for producing iodine compound Sep. 18, 2012
8163092 Method of concentrating hydrochloric acid Apr. 24, 2012
8071067 Processes for making stable ferric chloride solutions Dec. 6, 2011
7976807 Method for detoxifying HCD gas and apparatus therefor Jul. 12, 2011
7785542 Hydrogen iodide manufacturing method and hydrogen iodide manufacturing apparatus Aug. 31, 2010
7749475 Method for separation and recycle of pure sulfur dioxide from a gaseous mixture in is cycle with ionic liquids Jul. 6, 2010
7691351 Method for treatment of a gas stream containing silicon tetrafluoride and hydrogen chloride Apr. 6, 2010
7658904 Process for the production of hydrogen by the thermochemical route, based on the hydrochlorination of cerium Feb. 9, 2010
7560083 Method for removing water molecules from vacuum chamber, program for executing the method, and storage medium storing the program Jul. 14, 2009
7537749 Method for processing iron-laden spent sulfuric acid May. 26, 2009
7498009 Controlled spectrum ultraviolet radiation pollution control process Mar. 3, 2009
7442363 Hydrogen iodide manufacturing method and hydrogen iodide manufacturing apparatus Oct. 28, 2008
7371357 Process for removal of pollutants May. 13, 2008
7144568 Method and device for carrying out a reaction in liquid medium with gas evolution Dec. 5, 2006
7060242 Method for treating waste materials containing halogen Jun. 13, 2006
7045109 Conversion of sodium bromide to anhydrous hydrobromic acid and sodium bisulfate May. 16, 2006
7021487 Processing method for high pressure gas container and halogen containing gas filled in said container Apr. 4, 2006
7014824 Method for purifying process waste gases Mar. 21, 2006
6969500 Method for separating titanium tetrachloride Nov. 29, 2005
6933417 Process for vinyl chloride manufacture from ethane and ethylene with partial CHl recovery from reactor effluent Aug. 23, 2005
6890508 Preparation of largely HBr-free HCI gas and largely HBr-free aqueous HCI solution May. 10, 2005
6811763 Conversion of sodium bromide to anhydrous hydrobromic acid and sodium bisulfate Nov. 2, 2004
6793905 Method for producing high-purity hydrochloric acid Sep. 21, 2004
6692719 Process for regeneration of acid halide solutions Feb. 17, 2004
6676809 Process for removal of hydrogen fluoride Jan. 13, 2004
6540973 Process for producing hydrogen chloride Apr. 1, 2003
6527979 Catheter systems and methods for their use in the treatment of calcified vascular occlusions Mar. 4, 2003
6482979 Perfluorinated acid fluorides and preparation thereof Nov. 19, 2002
6432374 Solid chloride absorbent Aug. 13, 2002
6375908 Process and apparatus for recovery of raw materials from wastes residues Apr. 23, 2002
6375909 Method for the removal of mercury and nitrogen oxides from combustion flue gas Apr. 23, 2002
6375911 Method and device for treating exhaust gas Apr. 23, 2002
6365122 Process for manufacturing potassium sulfate fertilizer and other metal sulfates Apr. 2, 2002
6290927 Method for the removal of unwanted color from hydrochloric acid Sep. 18, 2001
6224843 Carbon dioxide purification in ethylene glycol plants May. 1, 2001
RE37042 Electrochemical conversion of anhydrous hydrogen halide to halogen gas using a cation-transporting membrane Feb. 6, 2001
6183623 Electrochemical conversion of anhydrous hydrogen halide to halogen gas using an ionically conducting membrane Feb. 6, 2001
6172275 Method and apparatus for pyrolytically decomposing waste plastic Jan. 9, 2001
5994604 Method and apparatus for low temperature destruction of halogenated hydrocarbons Nov. 30, 1999
5908606 Method for producing hydrogen halide and oxygen Jun. 1, 1999
5853690 Method for decomposing water using an activated carbon catalyst Dec. 29, 1998
5817288 Process for treating a non-distillable halogenated organic feed stream Oct. 6, 1998
H1709 Thermal destruction of halocarbons Feb. 3, 1998
5695732 Method for treating a halogenated organic waste to produce halogen gas and carbon oxide gas streams Dec. 9, 1997
5693306 Production process for refined hydrogen iodide Dec. 2, 1997
5685169 Method and apparatus for preparing high purity hydrogen bromide Nov. 11, 1997
5640706 Method and apparatus for producing a product in a regenerator furnace from impure waste containing a non-gasifiable impurity Jun. 17, 1997

1 2 3 4 5

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