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Class Information
Number: 204/157.49
Name: Chemistry: electrical and wave energy > Processes and products > Processes of treating materials by wave energy > Process of preparing desired inorganic material > Sulfur containing product produced
Description: Subject matter wherein the product of said wave energy contains at least one sulfur atom.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8133940 Metallic particles generated in situ in a polymer Mar. 13, 2012
7824524 Highly protonated, supercharged, low pH, non-corrosive composition Nov. 2, 2010
7641874 Microwave induced destruction of impurities from biogas and nitrogen oxides from engine exhaust Jan. 5, 2010
7455828 Process and apparatus for converting hydrogen sulfide into hydrogen and sulfur Nov. 25, 2008
7220391 UV photochemical option for closed cycle decomposition of hydrogen sulfide May. 22, 2007
6964755 Method for producing high activity photocatalyst, photoactivity catalyst, and method for treating hydrogen sulfide for recovering hydrogen gas under low energy by using high activity photocata Nov. 15, 2005
6773555 Method for treating exhaust gas Aug. 10, 2004
6652825 Method of producing calcium sulfate alpha-hemihydrate Nov. 25, 2003
6355084 Method for producing a fertilizer from gas containing sulfur oxides Mar. 12, 2002
6248218 Closed cycle photocatalytic process for decomposition of hydrogen sulfide to its constituent elements Jun. 19, 2001
6222089 Process for destroying chlorinated aromatic compounds Apr. 24, 2001
6179968 Method and apparatus for treating gas by irradiation of electron beam Jan. 30, 2001
6117403 Barrier discharge conversion of Hg, SO.sub.2 and NOx Sep. 12, 2000
6093288 Desulfurizing method and apparatus by irradiation of electron beam Jul. 25, 2000
5935538 Apparatus and method for photocatalytic conditioning of flue gas fly-ash particles Aug. 10, 1999
5834722 Method and apparatus for treating waste gases by exposure to electron beams Nov. 10, 1998
5807526 Device for removal of SO.sub.2 and NO.sub.x from flue gases by high frequency discharge by Tesla coil or other high voltage and high frequency generator Sep. 15, 1998
5723838 Method for treating incinerator effluent gas Mar. 3, 1998
5698830 Process for the preparation of alkanesulphonic acids Dec. 16, 1997
5695616 Electron beam flue gas scrubbing treatment Dec. 9, 1997
5527985 Process for recycling waste sulfuric acid Jun. 18, 1996
5419819 Self-regenerating column chromatography May. 30, 1995
5397444 Process for removal of SO.sub.2 and NO.sub.x from combustion flue gases and an apparatus used therefor Mar. 14, 1995
5380629 Method of making and a photographic element containing bleach accelerator silver salts Jan. 10, 1995
5211923 Hydrogen and sulfur recovery from hydrogen sulfide wastes May. 18, 1993
5108565 Method for removing harmful gas from refuse combustion exhaust gas Apr. 28, 1992
5041271 Method of treating waste gas by irradiation with electron beam Aug. 20, 1991
5015443 Method of and apparatus for treating waste gas by irradiation with electron beam May. 14, 1991
4995955 Optically-assisted gas decontamination process Feb. 26, 1991
4969984 Exhaust gas treatment process using irradiation Nov. 13, 1990
4961830 Method of inhibiting adhesion of by-product inside duct in treatment of waste gas by electron beam irradiation Oct. 9, 1990
4921589 Polysiloxane bound photosensitizer for producing singlet oxygen May. 1, 1990
4915916 Method of and apparatus for treating waste gas by irradiation with electron beam Apr. 10, 1990
4915804 Titanate bound photosensitizer for producing singlet oxygen Apr. 10, 1990
H409 Synthesis of cadmium sulfide using the laser-induced reaction of dialkylcadmium and organosulfur compounds Jan. 5, 1988
4678760 Method of forming a substantially interwoven matrix containing a refractory hard metal and a metal compound Jul. 7, 1987
4673560 Generation of sulphur trioxide from oleum using microwave energy Jun. 16, 1987
4671952 Vaporizing liquid sulfur dioxide with microwave radiation Jun. 9, 1987
4671951 Purification and reconcentration of waste sulphuric acid Jun. 9, 1987
4623437 Catalysts for photo-assisted oxidation-reduction reactions Nov. 18, 1986
4540598 Process for curing acid-curable finishes Sep. 10, 1985
4405424 Method for producing hydrogen and elemental sulphur by photochemical oxidation-reduction of hydrogen sulphide and metal sulphides Sep. 20, 1983
4401553 System and method for lowered hydrogen sulfide emissions from oil shale Aug. 30, 1983
4391608 Process for the beneficiation of carbonous materials with the aid of ultrasound Jul. 5, 1983
4389295 Thin film phosphor sputtering process Jun. 21, 1983
4372832 Pollution control by spray dryer and electron beam treatment Feb. 8, 1983
4369100 Method for enhancing chemical reactions Jan. 18, 1983
4294674 Method of treating waste gas by irradiation Oct. 13, 1981
4253926 Utilization of high sulphur fuels without air pollution Mar. 3, 1981
4210503 Emission control method and system Jul. 1, 1980

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