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| Number | Title | Issue Date |
| 7429371 | Reversible oxidation of carbon nanotubes Carbon nanotubes have been reversibly and readily oxidized and reduced with common chemicals in solution, thereby allowing the nanotubes to be used as catalysts for chemical reactions and as stable charge storage devices. ... | 09/30/2008 |
| 7416699 | Carbon nanotube devices Nanotubes and nanotube-based devices are implemented in a variety of applications. According to an example embodiment of the present invention, a nanotube is adapted to pass current between two conductive elements. In one implementation, each conductive element incl... | 08/26/2008 |
| 7411019 | Polymer composites containing nanotubes The present invention relates to polymer composite materials containing carbon nanotubes, particularly to those containing singled-walled nanotubes. The invention provides a polymer composite comprising one or more base polymers, one or more functionalized m-phenyle... | 08/12/2008 |
| 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 diameter of 2 to 500 nm, and an aspect ratio of 1 to 100, wherein th... | 06/24/2008 |
| 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, stirring the carbon nanotube dispersion, and filtering the carbon nanotube ... | 06/17/2008 |
| 7365395 | Artificial dielectrics using nanostructures Artificial dielectrics using nanostructures, such as nanowires, are disclosed. In embodiments, artificial dielectrics using other nanostructures, such as nanorods, nanotubes or nanoribbons and the like are disclosed. The artificial dielectric includes a dielectric m... | 04/29/2008 |
| 7357984 | Polymer-coated carbon nanotube By coating the outer surface of carbon nanotubes with various polymers of different properties, such properties as insulation property, reactivity, optical visibility, solvent dispersion property and so on are given to the outer surface of the carbon nanotubes. ... | 04/15/2008 |
| 7348274 | Method of aligning carbon nanotubes and method of manufacturing field emission device using the same A method of aligning carbon nanotubes (CNTs) and a method of manufacturing a field emission device (FED) using the same, wherein a mold having an intaglio pattern is prepared, an aqueous solution containing an amphiphilic organic material and the CNTs are coated on ... | 03/25/2008 |
| 7348592 | Carbon nanotube apparatus and method of carbon nanotube modification Carbon nanotube apparatus, and methods of carbon nanotube modification, include carbon nanotubes having locally modified properties with the positioning of the modifications being controlled. More specifically, the positioning of nanotubes on a substrate with a depo... | 03/25/2008 |
| 7348298 | Enhancing thermal conductivity of fluids with graphite nanoparticles and carbon nanotube A fluid media such as oil or water, and a selected effective amount of carbon nanomaterials necessary to enhance the thermal conductivity of the fluid. One of the preferred carbon nanomaterials is a high thermal conductivity graphite, exceeding that of the neat flui... | 03/25/2008 |
| 7329709 | Photoactive materials and related compounds, devices, and methods The present invention relates to fullerene derivatives including a pendant group that may be reacted to prepare a composition including a plurality of covalently bound fullerenes. The pendant group may be a cyclic ether, such as an epoxide. The present invention als... | 02/12/2008 |
| 7317277 | Electron field emitter and compositions related thereto This invention provides compositions of matter that contain an electron emitting substance and an expansion material. The expansion material may, for example, be an intercalation compound. When a film is formed from the composition, expansion of the expansion materi... | 01/08/2008 |
| 7290667 | Microfluidic sieve using intertwined, free-standing carbon nanotube mesh as active medium A microfluidic sieve having a substrate with a microfluidic channel, and a carbon nanotube mesh. The carbon nanotube mesh is formed from a plurality of intertwined free-standing carbon nanotubes which are fixedly attached within the channel for separating, concentra... | 11/06/2007 |
| 7244499 | Bonded structure including a carbon nanotube A technique of stably bonding a structure including a carbon nanotube with another structure is to be provided. Also, a nano-device that offers excellent performance and high production efficiency is to be provided. A polymer and a carbon nanotube are dispers... | 07/17/2007 |
| 7244373 | Composite and method of manufacturing the same To provide a composite excellent in mechanical strength or in electric conductivity and obtained by combining a carbon nanotube structure and ceramics, and a method of manufacturing the same. The composite is composed of the carbon nanotube structure and the ceramic... | 07/17/2007 |
| 7223474 | Heteroporphyrin nanotubes and composites Heteroporphyrin nanotubes, metal nanostructures, and metal/porphyrin-nanotube composite nanostructures formed using the nanotubes as photocatalysts and structural templates, and the methods for forming the nanotubes and composites. ... | 05/29/2007 |
| 7125533 | Method for functionalizing carbon nanotubes utilizing peroxides A method for functionalizing the wall of single-wall or multi-wall carbon nanotubes involves the use of acyl peroxides to generate carbon-centered free radicals. The method allows for the chemical attachment of a variety of functional groups to the wall or end cap o... | 10/24/2006 |
| 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 ozone/oxygen mixture to form a plurality of ozonized carbon nanotubes; and co... | 10/17/2006 |
| 7105596 | Methods for producing composites of single-wall carbon nanotubes and compositions thereof This invention relates generally to a method for producing composites of single-wall carbon nanotubes (SWNTs) and compositions thereof. In one embodiment, the present invention involves a method of producing a composite material that includes a matrix and a carbon n... | 09/12/2006 |
