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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 4915804 |
Titanate bound photosensitizer for producing singlet oxygen |
Apr. 10, 1990 |
| 4915916 |
Method of and apparatus for treating waste gas by irradiation with electron beam |
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 |
| 4182663 |
Converting oxygen to ozone by U.V. radiation of a halogen saturated hydrocarbon liquid containing dissolved or absorbed oxygen |
Jan. 8, 1980 |
| 4162207 |
Process for the conversion of sulfur dioxide |
Jul. 24, 1979 |
| 4097349 |
Photochemical process for fossil fuel combustion products recovery and utilization |
Jun. 27, 1978 |
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