Class 588/414 - Containing oxygen, sulfur, selenium or tellurium, i.e., chalcogen (EPO/JPO)

Subclass of Class 588 - Hazardous or toxic waste destruction or containment
Definition: Subject matter wherein the organic substance contains
No. of patents: 30
Last issue date: 10/02/2007

Number	Title	Issue Date
7276640	Metal oxide nanoparticles for smoke clearing and fire suppression Methods of reducing smoke levels in smoke-affected areas, reducing the level of toxic compounds produced by fires, fire suppression, and increasing flame retardancy. In particular, methods according to the present invention comprise dispersing nanocrystalline partic...	10/02/2007
7097858	Polyoxometalate materials, metal-containing materials, and methods of use thereof Polyoxometalate topical compositions for removing contaminants from an environment and methods of use thereof are disclosed. An embodiment of the polyoxometalate topical composition includes a topical carrier and at least one polyoxometalate, with the proviso that t...	08/29/2006
6695953	Accelerated methods of oxidizing organic contaminants in aqueous mediums using corona induced reactions and particles therewith Novel accelerated methods involving corona discharge, and preferably pulsed streamer high voltage corona discharge, in combination with an effective amount of suitable particles to break down organic contaminants, such as phenol and phenol red, in aqueous...	02/24/2004
6676913	Catalyst composition and method of controlling PFC and HFC emissions The present invention relates to a catalytic process for the destruction of PFC's and HFC's using a catalyst which comprises aluminum oxide that has preferably been stabilized through the addition of a stabilizing agent (such as, titanium, zirconium, or c...	01/13/2004
6673326	Catalytic processes for the reduction of perfluorinated compounds and hydrofluorocarbons A process for reducing perfluorinated compounds and/or hydrofluorocarbon compounds in a sample uses a catalyst made from aluminum oxide (Al2 O3), and one or more enhancers selected from the group consisting of nickel, cobalt, and sul...	01/06/2004
6638488	Method and apparatus for removing organic hazardous substances using selected solvents Method and apparatus for isolating, decomposing, and fixing the organic hazardous substances in a stable manner using chemical techniques and isolating and decomposing the organic hazardous substances from various waste mixtures. The temperature treatment...	10/28/2003
6627784	Highly efficient method of mixing dissimilar fluids using mechanically induced cavitation A method of mixing two or more dissimilar fluids such a gas and a liquid is provided. The method includes the steps of introducing one fluid into the other to form a mixture, inducing cavitation in the mixture to reduce at least one of the fluids to a lar...	09/30/2003
6046376	Process for microwave enhancement of gaseous decomposition reactions in solutions Gaseous decomposition from a solution is enhanced in the presence of activated carbon or its equivalent by radiofrequency energy in the microwave range. An important example is wet calcination using solutions containing bicarbonates, such as trona, where ...	04/04/2000
5810920	Method for treating wastes To treat waste containing harmful metals such as lead, cadmium, mercury, chromium, copper, nickel, zinc, etc., the waste is mixed with a treating agent containing, as the essential constituent component, solid acid(s) and/or cement and additionally a caki...	09/22/1998
5766482	Capture, degradation, and destruction of sulfur bearing compounds A process for capture, degradation, and destruction of a sulfur bearing compound that satisfies the needs for a treatment process that may be used in cartridge, pipeline, and batch, that can handle a large variety of sulfur bearing environmental pollutant...	06/16/1998
5585532	Method for treating a gas formed from a waste in a molten metal bath A method and a system is disclosed for treating a gaseous discharge stream formed from a waste in a molten metal bath. The waste is directed into a reactor containing a molten metal bath. The molten metal bath has operating conditions which are sufficient...	12/17/1996
5527985	Process for recycling waste sulfuric acid A process for recycling waste sulfuric acid by decomposing organic contaminants by use of light energy, comprising exposing a waste sulfuric acid containing contaminants to a focused radiation emission having an irradiation intensity within the range of f...	06/18/1996
5245111	Method and apparatus for treatment of liquid photographic processing wastes A method and an apparatus for treatment of liquid wastes from photographic processes are described, in which the wastes to be treated are (a) subjected to an oxygen oxidation as well as (b) an ozone oxidation, (c) optionally from the oxidized wastes halide ions are...	09/14/1993
5222448	Plasma torch furnace processing of spent potliner from aluminum smelters Spent potliner from aluminum reduction cells includes carbon, inorganic brick and refractory material, and fluoride, sulfur, and cyanide compounds, and is considered hazardous. It is treated by introducing it into a vessel, and exposing it to the heat of ...	06/29/1993
5220110	Catalysts Shaped particles, comprising a calcium aluminate cement and at least one oxide of a Group VIII metal M selected from nickel and cobalt, said particles containing 10 to 70% by weight of said Group VIII metal oxide (expressed as the divalent oxide, MO) and ...	06/15/1993
5200082	Method for removing toxic substances from industrial and agricultural waste water A method and system for removing toxic substances such as selenium from industrial and agricultural drain water, and particularly refinery effluent liquor, achieves very high removal of the toxic substance economically, by a chemical reduction process. Pr...	04/06/1993
5191155	Process for nonpolluting destruction of polychlorinated waste materials Polychlorinated waste materials such as polychlorinated dibenzodioxines (PCDD), polychlorinated dibenzofuranes (PCDF) and polychlorinated biphenyls (PCB) are subjected to nonpolluting destruction by combusting said materials together with waste sulfuric a...	03/02/1993
5026484	Continuous flow method for processing liquids using high-energy discharge A method and apparatus are disclosed for efficient endothermic processing of liquids and the precipitation of dissolved elements and chemical compounds. Improvements over prior systems include system layout, components and modes of operation of the system...	06/25/1991
4751887	Treatment of oil field wastes A method and apparatus of treating oil field wastes and particularly spent drilling fluids which contain barite and hydrocarbons which includes placing the drilling fluids into the upper end of a downwardly directed rotating kiln. Fuel and pressurized air...	06/21/1988
4551553	Decomposition of hydroperoxides in the presence of homogeneous binary catalysts The process of decomposing a hydroperoxide by contacting the hydroperoxide with a catalytic quantity of a catalyst system comprised of chromium and ruthenium. The catalyst system is characterized by its high stability while exhibiting improved activity fo...	11/05/1985
4508697	Hypochlorite destruction using urea A process for destroying waste alkali metal hypochlorite such as sodium hypochlorite is disclosed. The process involves reacting 50-90% and preferably 70-90% of the alkali metal hypochlorite with urea at from 20°-60° C. and pH 6-8 with pH 7-8 being pref...	04/02/1985
4437417	Environmentally safe process for disposing of toxic inorganic CN-containing sludge Toxic inorganic CN-containing sludge as produced by treating at least a portion of the water used to quench cool and/or scrub the hot raw effluent gas stream from a partial oxidation gasifier with a ferrous salt and a base may be disposed of by separating...	03/20/1984
4347226	Method for treating sulfur-containing effluents resulting from petroleum processing The present invention is a method for disposal of noxious waste products generated in petroleum refining including spent caustic solution and concentrated sulfur effluent from treating of petroleum fractions to remove sulfur therefrom. Essentially the spe...	08/31/1982
4347225	Method for treating alkaline effluents resulting from petroleum processing The present invention is a method for treating alkaline effluents resulting from petroleum processing by incinerating the effluents in the presence of oxygen and a sufficient amount of hydrogen sulfide fuel to convert the alkaline material to the correspo...	08/31/1982
4301014	Phosphorus pentasulfide waste water treatment The process disclosed in this invention takes the waste solids, gases, and water from a phosphorus pentasulfide manufacturing facility and hydrolyzes the phosphorus pentasulfide by heating. The phosphorus portion is converted to a soluble phosphate and th...	11/17/1981
4018867	Process for the disposal of aluminum containing waste materials This invention relates to the disposal of aluminum hydrocarbyl, aluminum hydrocarbyloxy, aluminum halide or aluminum hydride waste materials. Such materials are used as catalysts and may be present alone as well as in combination with similar compounds of...	04/19/1977
3969207	Method for the cyclic electrochemical processing of sulfuric acid-containing pickle waste liquors The invention relates to a process for the cyclic electrochemical processing of pickle waste liquors containing a maximum 100 g. of sulfuric acid and a minimum of 25 g. of iron ions per liter, combined with the pickling of iron. According to the invention...	07/13/1976
3953570	Process for the treatment of carburizing salt wastes This invention relates to a process for the treatment of the reaction mass produced during the joint elimination of barium-containing nitrite-/nitrate-bearing carburizing salt wastes and cyanide-/cyanate-bearing wastes by ignition of the dry mixture at el...	04/27/1976
3953571	Process for the treatment of carburizing salt wastes This invention relates to a process for the treatment of the reaction mass produced during the joint elimination of barium-containing nitrite-/nitrate-bearing carburizing salt wastes and cyanide-/cyanate-bearing wastes by ignition of the dry mixture at el...	04/27/1976
3949052	Process for the treatment of carburizing salt wastes This invention relates to a process for the treatment of the reaction mass produced during the joint elimination of barium-containing nitrite-/nitrate-bearing carburizing salt wastes and cyanide-/cyanate-bearing wastes by ignition of the dry mixture at el...	04/06/1976

PatentStorm

Bizarre Patents

PatentStorm News

Class 588/414 - Containing oxygen, sulfur, selenium or tellurium, i.e., chalcogen (EPO/JPO)