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7390767 |
Method for producing a catalyst support and compositions thereof
This invention relates generally to a method for producing fullerene nanotube catalyst supports and compositions thereof. In one embodiment, fullerene nanotubes or fullerene nanotube structures can...
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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,...
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7390475 |
Process for producing vapor-grown carbon fibers
A process for continuously producing carbon fibers in a vapor phase by causing a carbon compound to contact a catalyst and/or a catalyst precursor compound in a heating zone. In this process, the...
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7387735 |
Method of isolating semiconducting carbon nanotubes
A method of isolating semiconducting carbon nanotubes includes mixing carbon nanotubes with a mixed acid solution of nitric acid and sulfuric acid to obtain a dispersion of carbon nanotubes,...
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7384815 |
Process for attaching molecular wires and devices to carbon nanotubes and compositions thereof
The present invention is directed towards processes for covalently attaching molecular wires and molecular electronic devices to carbon nanotubes and compositions thereof. Such processes utilize...
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7378074 |
Method of forming a uniform carbon nanotube electron-emission layer in a field emission display
A carbon nanotube suspension uses water as the basic solvent added with dispersant, stabilizer, coalescing aid, adhesion promoter, and a carbon nanotube. The basic solvent and the above solutes...
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7378040 |
Method of forming fluoropolymer binders for carbon nanotube-based transparent conductive coatings
This invention relates to flexible, transparent and conductive coatings and films formed using carbon nanotubes (CNT) and, in particular, single wall CNT, with polymer binders. Preferably, coatings...
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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...
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7357906 |
Method for fractionating single-wall carbon nanotubes
The invention relates generally to dispersing and fractionating single-wall carbon nanotubes, which can be derivatized to facilitate fractionation, for example, by adding solubilizing moieties to...
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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...
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7354563 |
Method for purification of as-produced fullerene nanotubes
This invention relates generally to a fullerene nanotube purification process and more particularly to a purification process that comprises heating the fullerene nanotube-containing felt under...
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7351390 |
Method and installation for heat treating carbon bodies containing sodium
Carbon bodies are heated in an oven under low pressure and while being swept with an inert gas, gaseous effluent containing elemental or compound sodium in sublimed form being continuously...
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7347981 |
Directed flow method and system for bulk separation of single-walled tubular fullerenes based on helicity
A method for bulk separation of single-walled tubular fullerenes ( 100 ) based on helicity is provided wherein a solution or suspension of the single-walled tubular fullerenes ( 100 ) is flowed...
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7343274 |
Sensor and method for detecting electric contact degradation
A probe cell monitors conditions within electrical power transmission and switchgear apparatus to detect degradation of stressed components. The probe cell is a hardware simulation of components of...
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7332222 |
Hybrid materials and methods for producing the same
A hybrid material is provided which comprises a first single-walled nanotube having a lumen, and a fill molecule contained within the lumen of the single-walled nanotube. A method for producing the...
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7323246 |
Nano horn carrier and method of manufacturing the carrier
A nano horn carrier capable of effectively and conveniently utilizing the tip shape of a carbon nano horn and a method of manufacturing the carrier, the carrier wherein carbon nano horn aggregates...
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7291318 |
Methods for manufacturing multi-wall carbon nanotubes
A method is presented for effectively manufacturing multi-wall (double-wall, etc.) carbon nanotubes (CNTs) having a structure whereby interior tubes are formed within the CNTs. In this...
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7288238 |
Single-wall carbon nanotube alewives, process for making, and compositions thereof
The present invention involves alewives of highly aligned single-wall carbon nanotubes (SWNT), process for making the same and compositions thereof. The present invention provides a method for...
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7279247 |
Carbon nanotube pastes and methods of use
Dispersable pastes comprising single-walled carbon nanotubes (SWNT) in water or in an organic solvent are prepared. The method of preparing the dispersable pastes comprises in general the following...
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7273652 |
Hollow carbon fiber and production method
Production of hollow carbon fibers and hollow carbon particles includes baking and carbonization of polymer particles having a specified volume after deformation. A metal-deposited carbon fiber...
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7270795 |
Method for producing nano-carbon materials
A method for producing nano-carbon materials, having a step wherein a starting material comprising one or more kinds of compounds selected from the group consisting saturated hydrocarbons,...
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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,...
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7261852 |
Transparent electrodes from single wall carbon nanotubes
A method of forming optically transparent and electrically conductive SWNT films includes the steps of providing a porous membrane and dispersing a plurality of SWNTs into a solution, the solution...
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7250147 |
Process for derivatizing carbon nanotubes with diazonium species
The invention incorporates new processes for the chemical modification of carbon nanotubes. Such processes involve the derivatization of multi- and single-wall carbon nanotubes, including small...
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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...
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7247290 |
Spinning, processing, and applications of carbon nanotube filaments, ribbons, and yarns
Coagulation spinning produces structures such as fibers, ribbons, and yarns of carbon nanotubes. Stabilization, orientation, and shaping of spun materials are achieved by post-spinning processes....
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7238422 |
Environmentally stable high resistivity carbon fiber and method of producing
A carbon composite construction includes carbon fibers having a controlled level of electrical resistance. The controlled level of electrical resistance is achieved by subjecting the carbon fibers...
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7229944 |
Fiber structures including catalysts and methods associated with the same
Fiber structures that include a catalytic material are provided. The fiber structures (e.g., membranes) may be formed of interconnected carbon fibers. The catalytic material may be in the form of...
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7217404 |
Method of transforming carbon nanotubes
A method of transforming a carbon single wall nanotube (SWNT) is provided. The method comprises exposing the SWNT to light having a power sufficient to ignite or reconstruct the SWNT such that the...
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7195754 |
Nanotube based sunscreen
This invention relates generally to the incorporation of carbon nanotubes into compositions for protection against damage from ultraviolet radiation. In particular, the invention is directed to...
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7192567 |
Precursor soot synthesis of fullerenes and nanotubes without formation of carbonaceous soot
The present invention is a method for the synthesis of fullerenes and/or nanotubes from precursor soot without the formation of carbonaceous soot. The method comprises the pyrolysis of a...
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7175494 |
Forming carbon nanotubes at lower temperatures suitable for an electron-emitting device
An electron-emitting device contains a vertical emitter electrode patterned into multiple laterally separated sections situated between the electron-emissive elements, on one hand, and a substrate,...
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7169250 |
Nanofibrous articles
Nanofibrous articles can be manufactured by a process that includes preparation of a surface of a substrate to provide an adhesion mechanism for securing the nanofibers to the surface. The...
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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...
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7160585 |
Process for making at least one nanotube between two electrically conducting elements and device for implementing such a process
A process makes at least one nanotube between two electrically conducting elements located on a substrate, using, inside a deposition chamber, a microwave power, a magnetic field, and at least one...
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7160531 |
Process for the continuous production of aligned carbon nanotubes
Novel methods and apparati for continuous production of aligned carbon nanotubes are disclosed. In one aspect, the method comprises dispersion of a metal catalyst in a liquid hydrocarbon to form a...
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7160530 |
Metal-doped single-walled carbon nanotubes and production thereof
Metal-doped single-walled carbon nanotubes and production thereof. The metal-doped single-walled carbon nanotubes may be produced according to one embodiment of the invention by combining...
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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...
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7157066 |
Combustion process for synthesis of carbon nanomaterials from liquid hydrocarbon
The present invention provides a combustion apparatus for the production of carbon nanomaterials including fullerenes and fullerenic soot. Most generally the combustion apparatus comprises one or...
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7153452 |
Mesophase pitch-based carbon fibers with carbon nanotube reinforcements
A modified, mesophase pitch-based carbon fiber is disclosed which includes carbon nanotube reinforcements in an amount ranging from about 0.01 percent to about 1.0 percent by weight. Although the...
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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...
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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...
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7150840 |
Graphite fine carbon fiber, and production method and use thereof
A graphitized fine carbon fiber comprising a hollow space extending along its center axis, and a plurality of graphene sheets, wherein the fiber has an end surface comprising a portion of...
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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...
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7147533 |
Method of producing electron emitting device using carbon fiber, electron source and image forming apparatus, and ink for producing carbon fiber
The present invention provides a method of producing an electron emitting device using a carbon fiber using a catalyst, capable of preferably growing carbon fibers at a low temperature without the...
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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...
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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,...
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7135158 |
Method of purifying single wall carbon nanotubes
There is provided a method of purifying single wall carbon nanotubes so as to be able to remove impurities such as a metal catalyst to obtain the single wall carbon nanotubes with high purity. The...
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7132126 |
Room temperature synthesis of multiwalled carbon nanostructures
A simple chemical technique has been developed to grow large quantity of carbon nanostructures, including carbon nanotubes, hydrocarbon nanotubes and carbon nanoonions, in the organic solution at...
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7125534 |
Catalytic growth of single- and double-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...
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