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Class Information
Number: 204/164
Name: Chemistry: electrical and wave energy > Processes and products > Electrostatic field or electrical discharge
Description: Chemical processes which have for their purpose the preparation of compounds or elements through chemical reactions brought about by the agency of electrical energy within an electrostatic field or a field within which electrical discharging takes place. For example, the conversion of the surface of a polymeric material to produce a film thereon. This group includes both the synthetic production of compounds or elements and, likewise the chemical modification or chemical purification of compounds or elements, making use of electrical energy to effect the chemical changes in such processes. The processes falling within this group of subclasses are those whose purpose is for the production of compounds or elements by chemical reaction, but not those wherein a material or composition is treated, such as a metal, tobacco, foods, beverages, leather and the like, and in which a chemical change may be brought about. This group of subclasses likewise includes processes wherein one or both of the reactants are subjected to an electrostatic field or electrical discharge for the purpose of activation and the desired reaction is effected by mere mixing while such reactant or reactants are in the activated condition. This usually consists of a step of ionization followed immediately by mixture with another ionized or unionized substance, the reaction following as a matter of course due to the condition of the mixed reactants.










Sub-classes under this class:

Class Number Class Name Patents
204/173 Carbon 86
204/175 Hydrogen peroxide 6
204/177 Nitrogen compounds 99
204/165 Organic 249
204/176 Ozone 178
204/174 Sulfur-oxygen compounds 31


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Patent Number Title Of Patent Date Issued
8709351 Atmospheric treater with roller confined discharge chamber Apr. 29, 2014
8685121 Combined gasification and vitrification system Apr. 1, 2014
8685328 Method for purifying inside of room Apr. 1, 2014
8685255 Method of regenerating a capacitive deionization cell Apr. 1, 2014
8668813 Plasma generation method and apparatus Mar. 11, 2014
8669164 Method of fabricating free-form, high-aspect ratio components for high-current, high-speed microelectronics Mar. 11, 2014
8663569 Ozone generating apparatus Mar. 4, 2014
8663572 Micro plasma jet generator Mar. 4, 2014
8641873 Method for synthesizing nano particles Feb. 4, 2014
8641976 Apparatus for synthesizing nano particles, and method for synthesizing the nano particles using the same Feb. 4, 2014
8642215 Negative active material for rechargeable lithium battery, method of preparing the same and rechargeable lithium battery including the same Feb. 4, 2014
8632678 Filter apparatus and method of removing organic waste Jan. 21, 2014
8616239 Increasing fluidity of a flowing fluid Dec. 31, 2013
8617360 Continuous methods for treating liquids and manufacturing certain constituents (e.g., nanoparticles) in liquids, apparatuses and nanoparticles and nanoparticle/liquid solution(s) resulting the Dec. 31, 2013
8617477 Desulphurization of hydrocarbon feeds using electrolytic hydrogen Dec. 31, 2013
8591821 Combustion flame-plasma hybrid reactor systems, and chemical reactant sources Nov. 26, 2013
8580087 Self-regenerating particulate trap systems for emissions and methods thereof Nov. 12, 2013
8574408 Fluid recirculation system for use in vapor phase particle production system Nov. 5, 2013
8574448 Plasma generation method, cleaning method, and substrate processing method Nov. 5, 2013
8574506 Method and apparatus for processing exhaust gas Nov. 5, 2013
8574505 Reactor and plant for the continuous preparation of high-purity silicon tetrachloride or high-purity germanium tetrachloride Nov. 5, 2013
8568663 Solid oxide high temperature electrolysis glow discharge cell and plasma system Oct. 29, 2013
8563619 Methods and arrangements for plasma processing system with tunable capacitance Oct. 22, 2013
8551363 Method of producing group II-VI compound semiconductor, method of producing group II-VI compound semiconductor phosphor, and hexagonal group II-VI compound semiconductor Oct. 8, 2013
8551414 High-voltage plasma producing apparatus Oct. 8, 2013
8545764 Microplasma array Oct. 1, 2013
8542493 Flat display apparatus and high-voltage power supply Sep. 24, 2013
8540942 Continuous methods for treating liquids and manufacturing certain constituents (e.g., nanoparticles) in liquids, apparatuses and nanoparticles and nanoparticle/liquid solution(s) therefrom Sep. 24, 2013
8529855 Methods and system for removing gas components from flue gas Sep. 10, 2013
8524080 Purification apparatus for contaminated water employing high-voltage DC pulse and subsequent low-voltage DC field Sep. 3, 2013
8501106 Plasma generation system and plasma generation method Aug. 6, 2013
8454899 Gas reforming device Jun. 4, 2013
8454803 Processing biomass and petroleum containing materials Jun. 4, 2013
8440154 Processes and uses of dissociating molecules May. 14, 2013
8430995 Dielectric plasma chamber apparatus and method with exterior electrodes Apr. 30, 2013
8409459 Hollow cathode device and method for using the device to control the uniformity of a plasma process Apr. 2, 2013
8409500 Bottle, system and method for sterilizing a liquid Apr. 2, 2013
8388814 Method and apparatus for the treatment of dispersed material Mar. 5, 2013
8382858 Nanoparticle-textured surfaces and related methods for selective adhesion, sensing and separation Feb. 26, 2013
8377280 Microscale capacitive deionization apparatus Feb. 19, 2013
8377339 Electrode for electric discharge surface treatment, method of electric discharge surface treatment, and apparatus for electric discharge surface treatment Feb. 19, 2013
8372345 Integrated ozone generator system Feb. 12, 2013
8367008 Method for purifying silicon for photovoltaic applications Feb. 5, 2013
8354030 Purification system for cyanotoxic-contaminated water Jan. 15, 2013
8349154 Surface modified electrodes for ER fluids Jan. 8, 2013
8343372 Surface processing method for mounting stage Jan. 1, 2013
8337766 Method and apparatus for an efficient hydrogen production Dec. 25, 2012
8338734 Electrostatic particle charger, electrostatic separation system, and related methods Dec. 25, 2012
8323606 Hetero-nanocapsule and method of preparing the same Dec. 4, 2012
8308914 Electrolytic ozone cell anode spring board fixture structure Nov. 13, 2012

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