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| Number | Title | Issue Date |
| 7445694 | Device for generating magnetic fields for catalysing physico-chemical reactions A device for generating a magnetic field moving in at least one field plane located in a fluid to be treated and in which the gradient of the vector product between the intensity of the magnetic field and its displacement velocity induces stereochemical deformations... | 11/04/2008 |
| 7318888 | Method of photoelectrolysis A method for the photoelectrolysis of a liquid or gaseous species, comprises irradiating an ion exchange membrane of a membrane electrode assembly, wherein the membrane is an optically transparent material and comprises the species. ... | 01/15/2008 |
| 7282120 | UV-activated chlorination process A method of producing alkanes containing chlorine by addition of chlorine to C—C double bonds or C—C triple bonds or by exchange of hydrogen for chlorine by contacting the starting compound in the gas or liquid phase with elemental chlorine and irradiating the r... | 10/16/2007 |
| 7163615 | Method of treating substance to be degraded and its apparatus There is provided a method of treating a substance to be degraded comprising the steps of: degrading the substance to produce a degraded product; contacting the product obtained in the degrading step with a liquid; and entrapping a component of the product not trapp... | 01/16/2007 |
| 7045038 | Process for treating waste oil There is disclosed a burnable used oil fuel product by the process comprising: (a) obtaining a used oil sample having at least 1% (by weight) aqueous substances; (b) heating the used oil sample to a temperature of ... | 05/16/2006 |
| 7018514 | Method and apparatus for processing substances to be decomposed A method for processing substances to be degraded is provided. The method includes a decomposing step in which a mixed gas containing chlorine and the substances to be degraded is irradiated with light to decompose the substances to be degraded, a contact step in wh... | 03/28/2006 |
| 6835288 | Method for preventing undesired polymerization in a mixture of substances containing ethylenically unsaturated compounds A process for preventing undesired polymerization is conducted by maintaining an effective concentration of a stabilizer which comprises N-oxyl radicals in a mixture containing ethylenically unsaturated compounds, wherein (i) an el... | 12/28/2004 |
| 6702929 | Purification of 1,1,1,3,3-pentafluorobutane In the synthesis of 1,1,1,3,3-pentafluorobutane (R-365mfc), a mixture of R-365mfc and the impurity 1,1,1,3-tetrafluoro-2-butene (R-1354mzy) is purified and R-1354mzy is removed from the mixture by contacting the mixture with 1-5 mols of chlorine for each ... | 03/09/2004 |
| 6696587 | Process for treating aminosilane discolorations A discoloration of an aminosilane having a content of a free base is treated by adding an acid chloride to the aminosilane to obtain a mixture having a molar excess of acid chloride; neutralizing the molar excess of the acid chloride in one or more steps ... | 02/24/2004 |
| 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 |
| 6635232 | Method of chemically decontaminating components of radioactive material handling facility and system for carrying out the same Ozone gas having a high ozone concentration is generated by a solid electrolyte electrolytic process. An ozone solution is prepared by injecting the ozone gas into an acidic solution of pH 6 or below. The ozone solution heated at a temperature in the rang... | 10/21/2003 |
| 6616815 | METHOD OF DECOMPOSING HALOGENATED ALIPHATIC HYDROCARBON COMPOUNDS OR AROMATIC COMPOUNDS AND APPARATUS TO BE USED FOR THE SAME AS WELL AS METHOD OF CLARIFYING EXHAUST GAS AND APPARATUS TO BE USED FOR THE SAME A method for decomposing halogenated aliphatic hydrocarbon compounds or aromatic compounds characterized by contacting the compound to be decomposed with functional water under light irradiation, wherein the functional water is characterized by a hydrogen... | 09/09/2003 |
| 6610178 | Method for decomposing halogenated aliphatic hydrocarbon compounds or aromatic compounds, method for cleaning medium contaminated with at least one of these compounds, and apparatus for these A method for decomposing an organic compound by using functional water followed by neutralization of the wastewater not to affect the environment.... | 08/26/2003 |
| 6589396 | Method for treating colored liquid and apparatus for treating colored liquid A process for treating colored liquid comprises a step of contacting a colored liquid and functional water generated by electrolysis of a water solution of an electrolyte under light irradiation, to decolorize efficiently and stably to a low chromaticity.... | 07/08/2003 |
| 6491797 | Methods of oxidizing organic contaminants in aqueous mediums using corona induced reactions A method for oxidizing an organic contaminant in an aqueous medium generates H2 O2 in the aqueous medium through the use of a corona discharge procedure. A quantity of hydroxyl radicals is generated from the H2 O2. | 12/10/2002 |
| 6464951 | Method, catalyst, and photocatalyst for the destruction of phosgene In accordance with the present invention, a catalyst is described which comprises at least one metal selected from the group consisting of copper, zinc, iron, tungsten, molybdenum, and chromium distributed over a catalyst support comprising a material con... | 10/15/2002 |
| 6402939 | Oxidative desulfurization of fossil fuels with ultrasound Fossil fuels are combined with a hydroperoxide in an aqueous-organic medium and subjected to ultrasound, with the effect of oxidizing the sulfur compounds in the fuels to sulfones. Due to their high polarity, the sulfones thus formed are readily removed f... | 06/11/2002 |
| 6398921 | Process and system for wastewater solids gasification and vitrification A process for gasifying solid organic matter from wastewater sludge involves dewatering the sludge to a solids content of at least 35% by weight using a combination of centrifugation, microwave heat exchange and screw press separation. The denatured solid... | 06/04/2002 |
| 6340718 | Method of radiation treatment for fluoropolymer materials A source of radiation (10,12), particularly a pulsed accelerated electron beam, directs a beam of radiation through an irradiation chamber (14, 50). The irradiation chamber is depleted of oxygen and oxygen containing gases, such as being drawn to a vacuum... | 01/22/2002 |
| 6187988 | Process for microwave decomposition of hazardous matter This process occurs in the presence of activated carbon or its equivalent by decomposing adsorbed hazardous materials, such as hydrazine and microorganisms, on the carbon surface by radiofrequency energy in the microwave range at near ambient conditions o... | 02/13/2001 |
| 6179972 | Two stage process and apparatus for photocatalytic and catalytic conversion of contaminants A process comprises passing a contaminated gaseous stream through a photocatalytic stage and, thereafter, through a catalytic stage.... | 01/30/2001 |
| 6152306 | Solid waste reduction Dumped solid waste is mixed with sand and fed through a shredder. Sorters sort aluminum glass and ferrous materials from the shredded waste, and an indirect fired dryer heats the remaining shredded waste. Dust in gases from the dryer is removed in a bag h... | 11/28/2000 |
| 6135121 | Tobacco products having reduced nitrosamine content Methods of reducing the content of and preventing formation of carcinogenic nitrosamines in harvested leafy plants such as tobacco and marijuana, are disclosed. The methods are directed to subjecting the plant to microwave radiation, at appropriate times ... | 10/24/2000 |
| 6133500 | Method and apparatus for the controlled reduction of organic material There is provided a new and useful method and apparatus for the controlled non-pyrolytic reduction of organic material comprising subjecting the material to microwave radiation in a reducing atmosphere.... | 10/17/2000 |
| 6121507 | Method for treating wastewater containing hazardous matter using electron beam irradiation A wastewater treatment method for processing wastewater containing hazardous matter is provided. The wastewater treatment method removes the hazardous matter by irradiating the electron beam into the wastewater. The wastewater treatment method adds variou... | 09/19/2000 |
| 6084149 | Method and apparatus for decomposing hazardous substances using high frequency waves to provide environmentally safe fixation ashes in an incinerator A melting furnace that incorporates the autoclave theory and is equipped with a high-frequency (horizontal wave) device for incinerating material and for thermal decomposition and recrystallization of organic and inorganic hazardous compounds contained in... | 07/04/2000 |
| 6042698 | Decolorization process The present invention is a process for reducing the color intensity of discolored isophorone, said process comprising exposing the discolored isophorone to UV radiation suitably having a wavelength in the region of about 370-400 nanometers. The decoloriza... | 03/28/2000 |
| 5994579 | Process for lightening the color of polymeric diphenylmethane diisocyanate and the use of brightened diphenylmethane diisocyanate in the production of polyurethane A process for lightening (or decreasing) the color of diphenylmethane diisocyanate by irradiation with light having a wavelength of from 250 nm to 2,500 nm is described. This invention also relates to the use of this brightened diphenylmethane diisocyanat... | 11/30/1999 |
| 5944962 | Process for photochlorination An improvement in the process for the photochlorination of liquid mixtures of 2 to 6 carbon-containing aliphatic hydrofluorohalocarbons or hydrofluorocarbons and unsaturated hydrocarbons with ultraviolet light is disclosed. The improvement comprises using... | 08/31/1999 |
| 5883349 | Method and apparatus for microwave assisted chemical reactions A method of microwave assisted chemical reaction includes providing a microwavable reaction vessel which contains at least one material in a sample. The sample is heated by microwave energy to elevate the temperature of the reagent and at least partially ... | 03/16/1999 |
| 5877392 | Photon controlled decomposition of nonhydrolyzable ambients A method and apparatus to decompose nonhydrolyzable ambients such as chlorofluorocarbons and nitrogen trifluoride which enables the conventional disposal of their byproducts are disclosed. It employs photo-decomposition of the nonhydrolyzable ambient usin... | 03/02/1999 |
| 5874701 | Photocatalytic air treatment process under room light A process for photocatalytically treating a hospital room contaminated by bacteria or an interior environment bearing airborne malodorous substances. A thin film of photocatalyst made of a semiconductor such as titanium dioxide is disposed on the inner wa... | 02/23/1999 |
| 5866752 | Destruction of volatile organic carbons A method for removing VOCs from a gas stream comprising irradiating the gas stream in intimate contact with a semiconductor catalyst under laminar flow conditions. The catalyst can be chosen from a wide range of semiconductor materials, including naturall... | 02/02/1999 |
| 5827406 | Selective photooxidation of hydrocarbons in zeolites by oxygen A selective photooxidation process for the conversion of hydrocarbon molecules to partially oxygenated derivatives, which comprises the steps of adsorbing a hydrocarbon and oxygen onto a dehydrated zeolite support matrix to form a hydrocarbon-oxygen conta... | 10/27/1998 |
| 5814193 | Process for the purification of a C2 to C4 carboxylic acid and/or anhydride having halide impurities A process for the purification of a C2 to C4 carboxylic acid and/or an anhydride thereof having halide impurities, which process comprises the steps of (a) exposing the impure acid and/or anhydride to electromagnetic radiation under ... | 09/29/1998 |
| 5731482 | Method for purifying perchloroethylene containing dichlorobutadiene Perchloroethylene containing contaminating amounts of dichlorobutadiene is treated with bromine, e.g., elemental bromine, in the presence of a free-radical initiator, thereby to produce perchloroethylene substantially-free of dichlorobutadiene and without... | 03/24/1998 |
| 5710360 | Thermal desorption system for decontaminating materials A thermal desorption system for treating and/or removing contaminants from various types of materials employs an induction tube furnace to heat the material to a high enough temperature to completely desorb it. The induction tube furnace includes a metal ... | 01/20/1998 |
| 5698762 | Microwave-assisted pyrolysis of waste polyaromatic hydrocarbons Polyaromatic hydrocarbons are highly carcinogenic ubiquitous industrial wastes. In this Invention, concentrations of said wastes are diminished by microwave-assisted pyrolysis. Prior to exposure to microwave radiation, said wastes are covered with a non-c... | 12/16/1997 |
| 5675056 | Incandescent waste disposal system and method An incandescent waste disposal system and method for the processing of waste and for rendering a hazardous component of the waste nonhazardous without discharge of harmful emissions are provided. The system includes a waste processing chamber, typically s... | 10/07/1997 |
| 5662781 | Elimination of nitrile impurities from polymers Nitrile impurities are eliminated from polymers which contain acyclic N-vinyl-carboxamide and/or vinylamine units by treating the polymers with at least one oxidizing agent a) with exposure to light and/or b) in the presence of heavy metal ions.... | 09/02/1997 |
