Class 204/173 - Carbon

Subclass of Class 204 - Chemistry: electrical and wave energy
Definition: Processes directed to the production of carbon.
No. of applications: 32
Last issue date: 01/19/2012

Application No.	Application Title	Issue Date
20120012453	METHODS OF ELECTROSPRAY CHEMICAL SYNTHESIS AND DEVICE FOR USE THEREIN The present invention relates to methods of production of chemical bonds and subsequent molecules by electrospray ionization and the design of an electrospray chemical synthesizer, for use in chemical synthesis and expedited organic chemical reactions....	01/19/2012
20110162958	PLASMA DECOMPOSITION APPARATUS AND METHOD FOR CARBON DIOXIDE A plasma decomposition apparatus and method for carbon dioxide decomposes carbon dioxide in a non-thermal plasma state into carbon and oxygen. The apparatus includes: a reactor for decomposing carbon dioxide with an inlet for inflow of carbon dioxide and a outlet for di...	07/07/2011
20100301212	SUBSTRATE-FREE GAS-PHASE SYNTHESIS OF GRAPHENE SHEETS A substrate-free gas-phase synthesis apparatus and method that is capable of rapidly and continuously producing graphene in ambient conditions without the use of graphite or substrates is provided. Graphene sheets are continuously synthesized in fractions of a second by...	12/02/2010
20100270142	COMBUSTION FLAME PLASMA HYBRID REACTOR SYSTEMS, CHEMICAL REACTANT SOURCES AND RELATED METHODS Combustion flame-plasma hybrid reactor systems, chemical reactant sources, and related methods are disclosed. In one embodiment, a combustion flame-plasma hybrid reactor system comprising a reaction chamber, a combustion torch positioned to direct a flame into the react...	10/28/2010
20100219383	Boron-Doped Single-Walled Nanotubes(SWCNT) The present invention generally relates to methods and apparatus for the synthesis or preparation of boron-doped single-walled carbon nanotubes (B-SWCNTs). The invention provides a high yield, single step method for producing large quantities of continuous macroscopic c...	09/02/2010
20100176349	REDOX FRACTIONATION OF SINGLE-WALLED CARBON NANOTUBES A method for separating fractions of single-walled carbon nanotubes includes exposing a solution containing fractions of single-walled carbon nanotubes to a reducing agent and separating the resulting reaction products. An alternate method for separating fractions of si...	07/15/2010
20100135890	Method to Produce Light-Emitting Nano-Particles of Diamond Method to produce diamonds containing Nitrogen-Vacancy centres from diamonds grown by a high pressure and high temperature process and containing isolated substitutional nitrogen, comprising: —Irradiating (12) said diamonds by an electron beam such that the irr...	06/03/2010
20090324930	PROTECTIVE COATINGS FOR SILICON BASED SUBSTRATES WITH IMPROVED ADHESION An environmental coating system for silicon based substrates wherein a porous intermediate barrier layer having an elastic modulus of about 30 to 150 GPa is provided between a silicon metal containing bondcoat and a ceramic top environmental barrier layer....	12/31/2009
20090291042	Continuous Method for Producing Inorganic Nanotubes Production of nanotubes of carbon or of other inorganic material by moving a carbon-containing substrate, such as a tape or belt of carbon fibres, within a reaction chamber either though an electric arc in a gap between two electrodes or adjacent an electrode so that an...	11/26/2009
20090184281	METHOD OF FORMING NON-STOICHIOMETRIC NANOSCALE POWDER COMPRISING TEMPERATURE-PROCESSING OF A STOICHIOMETRIC METAL COMPOUND. Nanotechnology methods for creating stoichiometric and non-stoichiometric substances with unusual combination of properties by lattice level composition engineering are described. The modified properties described include electrical conductivity, dielectric constant, di...	07/23/2009
20090078561	Apparatus and Methods for Growing Nanofibres and Nanotips This invention relates to heating apparatus and methods with particular applications for growing a nanofibre, and to nanotips fabricated by such methods and apparatus. Embodiments of the invention can be implemented to provide nanotips for electron gun sources and scann...	03/26/2009
20090038934	APPARATUS AND METHOD FOR DIAMOND PRODUCTION An apparatus for producing diamond in a deposition chamber including a heat-sinking holder for holding a diamond and for making thermal contact with a side surface of the diamond adjacent to an edge of a growth surface of the diamond, a noncontact temperature measuremen...	02/12/2009
20080296147	Method for Manufacturing of Carbon Nanotubes in Dielectric Liquids A process for manufacturing carbon nanotubes, including a step of creating an electric arc in an electric field between a carbonaceous anode and a carbonaceous cathode under conditions effective to produce the carbon nanotubes, wherein the carbonaceous anode and the car...	12/04/2008
20080292531	ELECTRICAL CURRENT-INDUCED STRUCTURAL CHANGES AND CHEMICAL FUNCTIONALIZATION OF CARBON NANOTUBES A method of cutting, thinning, welding and chemically functionalizing multiwalled carbon nanotubes (CNTs) with carboxyl and allyl moieties, and altering the electrical properties of the CNT films by applying high current densities combined with air-exposure is developed...	11/27/2008
20080217161	PROCESS FOR THE SIMULTANEOUS AND SELECTIVE PREPARATION OF SINGLE-WALLED AND MULTI-WALLED CARBON NANOTUBES The present invention provides a process for the simultaneous and selective growth of single walled and multiwalled carbon nanotubes using electric arc discharge technique. According to present development it is possible to synthesise and collect catalyst free carbon na...	09/11/2008
20080145302	High strength low density fiber A welded nanotube fiber and a method of forming such a fiber is disclosed. The method comprises applying a voltage or current signal to a nanotube bundle, either in an evacuated chamber or in a chamber in which additional process gasses are introduced. The fiber compris...	06/19/2008
20080142356	Plasma treatment of fly ash from coal combustion to improve its marketability A system and method for treating unmarketable fly ash and improve its properties as an additive for concrete is disclosed. The method includes the steps of creating a gas stream containing ionized air through a plasma reactor and exposing an amount of fly ash containing...	06/19/2008
20080124502	Carbon Nanotube and Manufacturing Method Thereof, and Carbon Nanotube Manufacturing Equipment A manufacturing method of carbon nanotubes capable of mass-producing DWCNT with high throughput and a low defect incidence ratio is provided. In a vacuum chamber (1), a first electrode (2) having a hollow (2a) and a rod-like second electrode ...	05/29/2008
20070183959	Carbon nanostructures and process for the production of carbon-based nanotubes, nanofibres and nanostructures Continuous process for the production of carbon-based nanotubes, nanofibres and nanostructures, comprising the following steps: generating a plasma with electrical energy, introducing a carbon precursor and/or one or more catalysers and/or carrier plasma gas in a reacti...	08/09/2007
20070144887	APPARATUS AND METHOD FOR MANUFACTURING CARBON NANOTUBES An apparatus for manufacturing carbon nanotubes includes: a reaction chamber having an inlet at a bottom and an opposite outlet at a top thereof, and a substrate region configured for accommodating a substrate for growing carbon nanotubes thereon; an electric field gene...	06/28/2007
20070114120	Morphological control of carbon manotubes This disclosure relates to morphological control of carbon nanotubes with spatially, sequential time varying electric fields formed by electrode arrays located and activated near the CNT growth substrate. ...	05/24/2007
20060118405	Method and apparatus for the generation of anionic and neutral particulate beams and a system using same An apparatus for the generation of anionic and neutral particulate beams is described. The apparatus comprises a duct defined by walls having an inner surface capable of sustaining a temperature above an electron emission temperature of the surface, so as to negatively ...	06/08/2006
20060113181	Exhaust gas purifying apparatus and method for controlling it The present invention provides an exhaust gas purifying apparatus 10 which can effectively purify an exhaust gas with the use of a plasma. The present exhaust gas purifying apparatus 10 comprises a NO_xpurifying catalyst 1 disposed in an ...	06/01/2006
20060070868	Method for manufacturing isotope-doped carbon nanotubes A method for manufacturing isotope-doped carbon nanotubes (10) includes the steps of: (a) providing a carbon rod (209) connected with an anode (214) of an electrical source, the carbon rod including at least two kinds of carbon isotope segments (...	04/06/2006
20060065516	Method of and apparatus for fabricating nano-sized carbon material It is an object of the invention to provide a method, and an apparatus, capable of fabricating a nano-sized carbon material excellent in quality by use of a three-dimensional discharge apparatus on a mass production basis. There are installed 12 pieces of discharge elec...	03/30/2006
20060049033	Method for preparing reactive layered material in graphite form This invention provides a process for preparing a reactive graphite-like layered material with high chemical reactivity while maintaining stability of a base material. In the preparation process according to this invention, first, the treatment for reducing the number o...	03/09/2006
20060042927	METHOD FOR MANUFACTURING HIGH QUALITY CARBON NANOTUBES A non-catalytic process for the production of carbon nanotubes includes supplying an electric current to a carbon anode and a carbon cathode which have been securely positioned in the open atmosphere with a gap between them. The electric current creates an electric arc ...	03/02/2006
20060013758	Method of selecting structure of carbon nanotube through photoirradiation A method for selectively obtaining carbon nanotubes having specific structures by selectively obtaining carbon nanotubes having structures different from the structures of the carbon nanotubes to be vanished by irradiating carbon nanotubes with a light beam of single wa...	01/19/2006
20060008404	Hetero-nanocapsule and method of preparing the same Hetero-nanocapsule, which is a carbon nanocapule containing heteroatoms, comprises a closed graphite layer represented by a chemical formula C(D)_x, wherein C is carbon atom exhibiting sp²hybrid orbital, D is hetero-atom, such as B, N, P, or S atom...	01/12/2006
20050166292	Free-standing electrostatically-doped carbon nanotube device and method for making same A method and associated structure for forming a free-standing electrostatically-doped carbon nanotube device is described. The method includes providing a carbon nanotube on a substrate in such a way as to have a free-standing portion. One way of forming a free-standing...	07/28/2005
20050124842	Method for destroying a nuclear graphite by gasification in aqueous medium A process for the treatment of a nuclear graphite contaminated with radioelements includes subjecting the graphite, immersed in a medium containing water, to high-voltage pulses. The pulses have sufficient energy for electric arcs to be initiated and to break the consti...	06/09/2005
20050121309	Method of producing nanoparticles A method of providing nanoparticles, especially carbon nanoonions, comprises generating an arc discharge between an anode and a cathode, both being submerged in a liquid and collecting the nanoparticles from the surface of the liquid, which may be an aqueous liquid, liq...	06/09/2005

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Class 204/173 - Carbon