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7390593 Fine carbon fiber, method for producing the same and use thereof  
A vapor grown fine carbon fiber, each fiber filament of the carbon fiber comprising, in its interior, a hollow space extending along the fiber filament, and having a multi-layer structure, an outer...
7390477 Fullerene nanotube compositions  
This invention relates generally to a fullerene nanotube composition. The fullerene nanotubes may be in the form of a felt, such as a bucky paper. Optionally, the fullerene nanotubes may be...
7390476 Carbon fiber paper construction and manufacturing process  
A carbon fiber paper manufacturing process and construction has oxidized fiber as raw material needle punched into a construction of 0.1˜20 mm thick, 5˜500 g/m2 oxidized fiber felt of weight,...
7368712 Y-shaped carbon nanotubes as AFM probe for analyzing substrates with angled topography  
A Y-shaped carbon nanotube atomic force microscope probe tip and methods comprise a shaft portion; a pair of angled arms extending from a same end of the shaft portion, wherein the shaft portion...
7368009 Carbon fine particle structure and process for producing the same, carbon fine particle transcriptional body for producing the same, solution for producing carbon fine particle structure, carbon fine particle structure, electronic device using carbon fine particle structure and process for producing the same, and integrated circuit  
A carbon fine particle structure containing plural carbon fine particles having a graphite structure and a crosslinked part containing plural functional groups chemically bonded to each other, at...
7354988 Electrically conductive compositions and method of manufacture thereof  
A method for manufacturing a conductive composition comprises blending a polymer precursor with a single wall carbon nanotube composition; and polymerizing the polymer precursor to form an organic...
7344691 System and method for manipulating nanotubes  
A system and method for manipulation of nanotubes using an organic material that is presented to the nanotubes. Exemplary types of manipulation include cutting nanotubes into shortened nanotubes,...
7338915 Ropes of single-wall carbon nanotubes and compositions thereof  
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...
7315374 Real-time monitoring optically trapped carbon nanotubes  
An embodiment of the present invention is a technique to monitor carbon nanotubes (CNTs). A carbon nanotube (CNT) is manipulated in a fluid by a laser beam. An illuminating light from a light...
7261871 Fabrication of carbon nanotube films from alkyne-transition metal complexes  
A simple method for the production or synthesis of carbon nanotubes as free-standing films or nanotube mats by the thermal decomposition of transition metal complexed alkynes with aryl, alkyl,...
7250569 Method for dissolving nanostructural materials  
High solubility of pristine single and multi-walled carbon nanotubes using electron donors as solubilizers has been observed. The resulting carbon nanotube solution can be readily diluted with...
7247670 Nanotubes and methods of dispersing and separating nanotubes  
A nanostructure having at least one nanotube and at least one chemical moiety non-covalently attached to the at least one nanotube. At least one dendrimer is bonded to the chemical moiety. The...
7244408 Short carbon nanotubes  
There is provided shorte nanotubes and nanoparticles. The nanotubes are in general terms shorter than conventionally produced nanotubes. An improved apparatus for production of the fullerenes and...
7205069 Membrane comprising an array of single-wall carbon nanotubes  
This invention relates generally to membranes comprising an array of single-wall carbon nanotubes (SWNT) wherein the membrane is nanoporous. In one embodiment, the membrane comprises a...
7204970 Single-wall carbon nanotubes from high pressure CO  
The present invention discloses the process of supplying high pressure (e.g., 30 atmospheres) CO that has been preheated (e.g., to about 1000° C.) and a catalyst precursor gas (e.g., Fe(CO) 5 ) in...
7192642 Single-wall carbon nanotube film having high modulus and conductivity and process for making the same  
The invention relates to a film comprising greater than 80 wt % single-wall carbon nanotubes wherein the tensile modulus is at least about 6 GPa at 0.2% strain and the conductivity of the film is...
7161286 Carbon nanotube array and method for making same  
A carbon nanotube-based device ( 40 ) includes a substrate ( 10 ), a number of catalytic nano-sized particles ( 131 ) formed on the substrate, and an aligned carbon nanotube array ( 15 ) extending...
7161285 CNT film and field-emission cold cathode comprising the same  
A fabrication method for an emitter includes the steps of forming on a glass substrate a CNT film which contains a plurality of carbon nanotubes (CNTs) and constitutes an emitter electrode, forming...
7157183 Proton conductor, production method thereof, and electrochemical device using the same  
A proton conductor mainly contains a carbonaceous material derivative, such as, a fullerene derivative, a carbon cluster derivative, or a tubular carbonaceous material derivative in which groups...
7150911 Electrical insulating vapor grown carbon fiber and method for producing the same, and use thereof  
An electrical insulating vapor grown carbon fiber containing a vapor grown carbon fiber having a fiber diameter of 0.01 to 0.5 μm, wherein the surface thereof is partially or entirely coated with...
7150864 Ropes comprised of single-walled and double-walled carbon nanotubes  
The present invention concerns a method for growing carbon nanotubes using a catalyst system that preferentially promotes the growth of single- and double-wall carbon nanotubes, rather than larger...
7147831 Carbon nanotube-based device and method for making the same  
A carbon nanotube-based device includes a substrate ( 10 ); a catalyst layer ( 13 ) disposed on the substrate, the catalyst layer comprising a number of nano-sized catalyst particles ( 131 ), a...
7138345 Carbon fiber reinforced base material, preform and composite material comprising the same  
A carbon fiber reinforced substrate comprising a fabric composed of carbon fiber bundles and a first resin adhering to the fabric. Each of the carbon fiber bundles comprises numerous continuous...
7135160 Spheroidal aggregates comprising single-wall carbon nanotubes and method for making the same  
A method for separating single-wall carbon nanotubes from an aqueous slurry comprises adding a water-immiscible organic solvent to an aqueous slurry comprising single-wall carbon nanotubes,...
7128888 Proton conductor and method for manufacturing the same, and electrochemical device  
A proton conductor, a method for manufacturing the same, and an electrochemical device using the proton conductor are provided. The proton conductor includes a carbon derivative which has a carbon...
7122165 Sidewall-functionalized carbon nanotubes, and methods for making the same  
The invention provides a method of functionalizing the sidewalls of a plurality of carbon nanotubes with oxygen moieties, the method comprising: exposing a carbon nanotube dispersion to an...
7097820 Continuous fiber of single-wall carbon nanotubes  
This invention relates generally to carbon fiber produced from single-wall carbon nanotube (SWNT) molecular arrays. In one embodiment, the carbon fiber which comprises an aggregation of...
7081429 Gas decomposing unit, electrode for a fuel cell, and method of manufacturing the gas decomposing unit  
Provided are a gas decomposing unit and an electrode for a fuel cell capable of stably supporting a gas decomposing catalyst. A gas decomposing unit and an electrode for a fuel cell each including:...
7071406 Array of single-wall carbon nanotubes  
This invention relates generally to forming an array of single-wall carbon nanotubes (SWNT). In one embodiment, a macroscopic molecular array is provided comprising at least about 10 6 single-wall...
7071258 Nano-scaled graphene plates  
A nano-scaled graphene plate material and a process for producing this material. The material comprises a sheet of graphite plane or a multiplicity of sheets of graphite plane. The graphite plane...
7067098 Method for forming an array of single -wall carbon nanotubes and compositions thereof  
This invention relates generally to forming an array of single-wall carbon nanotubes (SWNT) and compositions thereof. In one embodiment, a homogeneous population of SWNT molecules is used to...
7063753 Electronic device utilizing magnetic nanotubes  
Present invention provides enabling techniques of integrating novel nanotube elements into semiconductor devices, particularly in transistors, as gate channels or/and as interconnects. This is done...
7060241 Coatings comprising carbon nanotubes and methods for forming same  
An electrically conductive film is disclosed. According to one embodiment of the present invention, the film includes a plurality of single-walled nanotubes having a particular diameter. The...
7052643 Method and an installation for subjecting carbon fabrics to high temperature heat treatment and to densification by chemical vapor infiltration  
Heat treatment is performed on preforms placed in an enclosure accompanied by sweeping with an inert gas under reduced pressure, and with a gaseous effluent being exhausted continuously via a first...
7048904 Carbon fiber for a fuel cell having catalytic metal supported thereon  
A carbon fiber having catalytic metal supported thereon according to the present invention is a carbon fiber in which a number of hexagonal carbon layers in the shape of a cup having no bottom are...
7048903 Macroscopically manipulable nanoscale devices made from nanotube assemblies  
Macroscopically manipulable nanoscale devices made from nanotube assemblies are disclosed. The article of manufacture comprises a macroscopic mounting element capable of being manipulated or...
7045108 Method for fabricating carbon nanotube yarn  
A method of fabricating a long carbon nanotube yarn includes the following steps: (1) providing a flat and smooth substrate; (2) depositing a catalyst on the substrate; (3) positioning the...
7037622 Carbonaceous material for hydrogen storage and method for preparation thereof, carbonaceous material having hydrogen absorbed therein and method for preparation thereof, cell and fuel cell using carbonaceous material having hydrogen absorbed therein  
A hydrogen-storing carbonaceous material is provided. The hydrogen-storing carbonaceous material is obtained by heating a carbonaceous material at lower than about 800° C. before hydrogen is...
7018602 Carbon fiber for field electron emitter and method for manufacturing field electron emitter  
A carbon fiber for a field electron emitter has a coaxial stacking morphology of truncated conical tubular graphene layers, each of which includes a hexagonal carbon layer and has a large ring end...
7018601 Carbon fiber product, and method of adjusting length of carbon fiber product  
A carbon fiber product according to the present invention is a carbon fiber product in which one to several hundreds of hexagonal carbon layers in the shape of a bottomless cup are stacked. Edges...
7018600 Expanded carbon fiber product and composite using the same  
In an expanded carbon fiber product according to the present invention, a number of hexagonal carbon layers in the shape of a cup having no bottom are stacked. At least part of edges of the...
7014952 Hydrogen-storing carbonaceous material and method for producing the same, hydrogen-stored carbonaceous material and method for producing the same and battery and fuel cell using hydrogen-stored carbonaceous material  
A hydrogen-storing carbonaceous material is provided. The hydrogen-storing carbonaceous material is obtained by heating a carbonaceous material in a gas atmosphere including hydrogen gas and...
7014951 Carbonaceous material for hydrogen storage, and method for preparation thereof, carbonaceous material having hydrogen absorbed therein and method for preparation thereof, cell and fuel cell using carbonaceous material having hydrogen absorbed therein  
A hydrogen-stored carbonaceous material is provided. The present invention relates to a hydrogen-stored carbonaceous material obtained by storing hydrogen in a carbonaceous material heated at more...
7014829 Carbon fiber, and filter and absorbent using the same  
A carbon fiber in which hexagonal carbon layers in the shape of a bottomless cup are stacked. At least part of edges of the hexagonal carbon layers are exposed on an outer surface and an inner...
7013708 Carbon nanotube sensors  
Nanotubes and nanotube-based devices are implemented in a variety of applications. According to an example embodiment of the present invention, a nanotube is doped with an impurity atom and used to...
7011884 Carbon nanotube with a graphitic outer layer  
A method for manufacturing carbon nanotubes with an integrally attached outer graphitic layer is disclosed. The graphitic layer improves the ability to handle and manipulate the nanometer size...
7008725 Hydrogen-storing carbonaceous material and method for producing the same, hydrogen-stored carbonaceous material and method for producing the same and battery and fuel cell using hydrogen-stored carbonaceous material  
A hydrogen-storing carbonaceous material is provided. The present invention provides a hydrogen-storing carbonaceous material obtained by heating a carbonaceous material at more than about 50° C....
6986876 Method for forming composites of sub-arrays of single-wall carbon nanotubes  
This invention relates generally to forming arrays of single-wall carbon nanotubes (SWNT). In one embodiment, the present invention involves forming a macroscopic molecular array of tubular carbon...
6979709 Continuous fiber of single-wall carbon nanotubes  
This invention relates generally to carbon fiber produced from single-wall carbon nanotube (SWNT) molecular arrays. In one embodiment, the present invention involves a macroscopic carbon fiber...
6969504 Electrical conductors comprising single-wall carbon nanotubes  
The present invention concerns electrical conductors comprising armchair single-wall carbon nanotubes. Such electrical conductors made by the invention are metallic, i.e., they will conduct...
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