Matches 151 - 200 out of 248 < 1 2 3 4 5 >
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6756025 Method for growing single-wall carbon nanotubes utilizing seed molecules  
This invention relates generally to a method for growing single-wall carbon nanotube (SWNT) from seed molecules. The supported or unsupported SWNT seed materials can be combined with a suitable...
6749827 Method for growing continuous fiber  
This invention relates generally to a method for growing carbon fiber from single-wall carbon nanotube (SWNT) molecular arrays. In one embodiment, the present invention involves a macroscopic...
6743408 Direct growth of nanotubes, and their use in nanotweezers  
A method of producing carbon single wall nanotubes (SWNT) by CVD is disclosed. The SWNTs are grown on a metal-catalyzed support surface, such as a commercially available silicon tips for atomic...
6737120 Oxidation-protective coatings for carbon-carbon components  
A coating for protecting a carbon fiber or carbon—carbon (C—C) composite component from oxidation comprises a precursor of fluidized glass applied to the component. The precursor-coated...
6737939 Carbon nanotube array RF filter  
A tunable nanomechanical resonator system comprising an array of nanofeatures, such as nanotubes, where the nanofeatures are in signal communication with means for inducing a difference in charge...
6730284 Method for producing carbonaceous articles  
An apparatus for the production of elongated carbonaceous article includes a chamber having at least one heating element, a catalyst and a device for generating a magnetic field in proximity to or...
6716409 Fabrication of nanotube microscopy tips  
A method of fabricating SWNT probes for use in atomic force microscopy is disclosed. In one embodiment, the SWNT's are fabricated using a metallic salt solution. In another embodiment, the SWNT's...
6699525 Method of forming carbon nanotubes and apparatus therefor  
Carbon nanotubes are formed on a substrate by providing a coiled filament in a chemical vapor deposition chamber, supporting a substrate having a catalytic coating provided thereon inside the...
6692717 Catalytic growth of single-wall carbon nanotubes from metal particles  
Single-walled carbon nanotubes have been synthesized by the catalytic decomposition of both carbon monoxide and ethylene over a supported metal catalyst known to produce larger multi-walled...
6673392 Method of vertically aligning carbon nanotubes on substrates at low pressure using thermal chemical vapor deposition with DC bias  
A method of vertically aligning pure carbon nanotubes on a large glass or silicon substrate at a low temperature using a low pressure DC thermal chemical vapor deposition method is provided. In...
6630015 Method and apparatus for separating vapor-grown carbon fibers from gaseous effluent  
A method and apparatus are provided for separating carbon fibers from gaseous effluent which fibers have been formed in a continuous gas phase reaction. The apparatus is a collection chamber...
6596187 Method of forming a nano-supported sponge catalyst on a substrate for nanotube growth  
A method of forming a nano-supported sponge catalyst ( 10 ) on a substrate ( 12 ) is comprised of depositing an active catalytic metallic element ( 16 ) on the substrate ( 12 ) and depositing a...
6589904 Activated carbon and method for producing it  
The present invention provides an activated carbon produced by a process, which includes: activating a carbonaceous material, to obtain an activated carbonaceous material; and contacting the...
6586093 Nanostructures, their applications and method for making them  
The invention concerns a method for producing nanostructures under controlled atmosphere, from compounds having a hexagonal crystalline shape, subjected to a focused laser bombardment of a gas. The...
6582674 Catalyst for producing carbon and method of producing carbon  
By employing a 1% potassium-added cobalt catalyst prepared by adding potassium to cobalt as a catalyst for depositing carbon from mixed gas containing a carbon source, it was possible to lower the...
6558645 Method for manufacturing carbon nanocoils  
A method for manufacturing carbon nanocoils which are grown by winding carbon atoms in a helical configuration and which have an external diameter of 1000 nm or less, the method comprising the...
6537515 Crystalline graphite nanofibers and a process for producing same  
A process for producing substantially crystalline graphitic carbon nanofibers comprised of graphite sheets. The graphite sheets are substantially perpendicular to the longitudinal axis of the...
6527988 Process of making carbon fiber with sharp ends  
Carbonaceous fibers having sharp ends and which are useful as an electron-emitting material, for example, in cold-cathode display devices. Carbonaceous fibers having a structure such that planes...
6506355 Production of high surface energy, high surface area vapor grown carbon fiber  
High surface energy vapor grown carbon fibers and methods of making such fibers. The high surface energy vapor grown carbon fibers of the present invention have a surface energy greater than about...
6495116 Net shape manufacturing using carbon nanotubes  
The present invention provides methods and systems for net shaped manufacturing using carbon nanotubes. Generally, an automatic control unit is used to place reaction units in the proper location...
6455021 Method for producing carbon nanotubes  
The method of the present invention deposits carbon nanotubes by contacting carbon vapor with a non-magnetic transition metal including at least two elements selected from the group consisting of...
6455160 High purity C/C composite and manufacturing method thereof  
The high purity C/C composite formed by graphitizing a molded member packed with carbon fibers and carbon material of a matrix. The carbon fibers are high purified under halogen gas atmosphere. The...
6440610 Negative active material for lithium secondary battery and manufacturing method of same  
The present invention relates to a negative active material for a lithium secondary battery and a manufacturing method thereof, wherein the negative active material comprises a crystalline or...
6423288 Fibrils  
A process for preparing carbon fibrils by contacting a source of carbon with a supported catalyst that includes at least one multivalent transition metal having a size of about 35 to 700 A...
6401526 Carbon nanotubes and methods of fabrication thereof using a liquid phase catalyst precursor  
Single-walled carbon nanotube (SWNT) probe-tips for atomic force microscopy (AFM) are realized by direct synthesis of SWNTs on silicon pyramids integrated onto AFM cantilevers. The growth of SWNT...
6375917 Apparatus for the production of carbon fibrils by catalysis and methods thereof  
A process for preparing carbon fibrils by contacting a source of carbon with a supported catalyst that includes at least one multivalent transition metal having a size of about to 700 A deposited...
6361861 Carbon nanotubes on a substrate  
The present invention includes carbon nanotubes whose hollow cores are 100% filled with conductive filler. The carbon nanotubes are in uniform arrays on a conductive substrate and are well-aligned...
6333016 Method of producing carbon nanotubes  
A method for producing carbon nanotubes by contacting a carbon containing gas with metallic catalytic particles. The catalytic particles contain at least one metal from Group VIII, including for...
6331690 Process for producing single-wall carbon nanotubes uniform in diameter and laser ablation apparatus used therein  
Single-wall carbon nanotubes are produced from carbon vapor in the presence of nickel-cobalt catalyst vapor, and the carbon vapor and the nickel-cobalt catalyst vapor are constantly generated from...
6322713 Nanoscale conductive connectors and method for making same  
In accordance with the invention, nanoscale connectors particularly useful for connecting microscale devices comprise free-standing nanoscale conductors. The nanoscale conductors are conveniently...
6315977 Process and apparatus for producing hydrogen by thermocatalytic decomposition of hydrocarbons  
A process for producing a production gas mixture comprising hydrogen, by thermocatalytic decomposition of an initial mixture which comprises at least one hydrocarbon, comprising the steps of: 1...
6261532 Method of producing carbon  
The temperature of a catalyst is heated to 535° C. with an electric furnace for feeding hydrogen gas into a reaction tube at a flow rate of 50 cc/min. for two hours and reducing the catalyst, and...
6254940 Electrically assisted synthesis of particles and film with precisely controlled characteristic  
The present invention related to methods of manufacturing oxide, nitride, carbide, and boride powders and other ceramic, organic, metallic, carbon and alloy powders and films and their mixtures...
6231829 Carbonaceous material for anodes of rechargeable lithium-ion battery and method and apparatus for synthesizing the same  
Disclosed is a carbonaceous material for anodes of lithium ion rechargeable batteries. The carbonaceous material consists of soot particles which are prepared from liquified propane gas through...
6194344 Process for preparing carbonaceous material carrying ultrafinely dispersed metal  
A process for the preparation of a high-softening-point pitch rich in mesopores having a softening point measured by temperature gradient method of 150° C. or higher, a weight loss by heating up...
6194071 Carbon fiber ball and a process for manufacturing the same  
Carbon fiber balls which enable quantitative, consistent supply into, for example, an extruder and also facilitate uniform dispersion of carbon fibers in the matrix of a resin by use of, for...
6183714 Method of making ropes of single-wall carbon nanotubes  
This invention provides a method of making single-wall carbon nanotubes by laser vaporizing a mixture of carbon and one or more Group VIII transition metals. Single-wall carbon nanotubes...
6159892 Catalyst supports, supported catalysts and methods of making and using the same  
A supported catalyst comprising a carbon fibril aggregate and a catalytically effective amount of a catalyst supported therein, a process for performing a catalytic reaction in fluid phase using...
6129901 Controlled synthesis and metal-filling of aligned carbon nanotubes  
The present invention provides a powerful new method for producing, uniform sized and uniformly aligned nanotubes through catalytic pyrolysis of a hydrocarbon within the dense, uniform and parallel...
6045769 Process for carbon production  
A method for the production of elemental carbon fibers and carbon particles uses highly uniform catalyst particles, preferably made by laser pyrolysis. Preferred catalyst particles include...
6040051 Carbon fibers and process for their production, and fiber-reinforced resin composition employing them  
Bundled and cut carbon fibers having a bulk density of from 450 g/l to 650 g/l, which are obtained by bundling carbon fibers having a yield of at least 0.9 g/m followed by cutting, and having a...
5985232 Production of fullerenic nanostructures in flames  
A method for the production of fullerenic nanostructures is described in which unsaturated hydrocarbon fuel and oxygen are combusted in a burner chamber at a sub-atmospheric pressure, thereby...
5965267 Method for producing encapsulated nanoparticles and carbon nanotubes using catalytic disproportionation of carbon monoxide and the nanoencapsulates and nanotubes formed thereby  
A method for the production of carbon encapsulated nanoparticles, carbon nanotubes and other closed carbon structures, including contacting a catalyst of a transition metal, or a compound or alloy...
5877110 Carbon fibrils  
Products containing carbon fibrils having a morphology of vermicular tubes that are free of a continuous thermal carbon overcoat and have graphitic layers, wherein the length of the projection of...
5858530 Flexible ignition resistant biregional fiber, articles made from biregional fibers, and method of manufacture  
A flexible, ignition resistant, biregional fiber is disclosed, wherein the fiber is preferably derived from a single homogeneous polymeric precursor composition, said biregional fiber comprising an...
5853429 Method for converting multidimensional sheet structures consisting of polyacrylonitrile fibres into the thermally stabilized stage  
Method for converting two-dimensional or three-dimensional sheet structures consisting of polyacrylonitrile fibres or substantially of polyacrylonitrile fibres, such as woven fabrics, layered...
5853865 Treatment of vapor-grown carbon fibers for fiber-polymer matrix composites  
Vapor-grown carbon fibers from methane produced in globular clumps of individual fibers of about 0.5 to 50 micrometers in length are rendered infiltratable and wettable with molten plastic for...
5846509 Method of producing vapor grown carbon fibers using coal  
A method of producing vapor grown carbon fibers is provided in which coal is utilized as a source of an iron catalyst, as a source of hydrocarbon and sulfur, or both. The method includes the steps...
5726116 Fibril aggregates and method for making same  
A fibril aggregate that includes a multiplicity of carbon fibrils whose longitudinal axes have substantially the same relative orientation, each of the fibrils characterized as having graphitic...
5639429 Reactor for the production of short ceramic fibers from gas  
The production of fibers is carried out by allowing a gas mixture containing a gaseous hydrocarbon or an appropriate gas to pass through a substrate (generally a steel sheet) arranged facing the...
Matches 151 - 200 out of 248 < 1 2 3 4 5 >