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| Number | Title | Issue Date |
| 8084012 | Selective placement of carbon nanotubes through functionalization The present invention provides a method for selectively placing carbon nanotubes on a substrate surface by using functionalized carbon nanotubes having an organic compound that is covalently bonded to such carbon nanotubes. The organic compound comprises at least tw... | 12/27/2011 |
| 8052952 | Composite and method of manufacturing the same Provided is a nanotube-polymer composite which can effectively utilize characteristics of a carbon nanotube structure. The composite includes a carbon nanotube structure and a polymer, in which: the carbon nanotube structure has a network structure constructed by mu... | 11/08/2011 |
| 7939047 | Bulk separation of carbon nanotubes by bandgap The present invention is directed to methods of separating carbon nanotubes (CNTs) by their electronic type (e.g., metallic, semi-metallic, and semiconducting). Perhaps most generally, in some embodiments, the present invention is directed to methods of separating C... | 05/10/2011 |
| 7879309 | Method for preparing functional nanomaterials utilizing endothermic reaction A method is disclosed whereby a functional nanomaterial such as a monolayer carbon nanotube, a monolayer boron nitride nanotube, a monolayer silicon carbide nanotube, a multilayer carbon nanotube with the number of layers controlled, a multilayer boron nitride nanot... | 02/01/2011 |
| 7850942 | Porous carbons A method of making mesoporous carbon beads comprises steps of providing a nucleophilic component such as phenolic compound or phenol condensation prepolymer, dissolving the nucleophilic component in a pore former, together with at least one electrophilic cross-linki... | 12/14/2010 |
| 7767186 | Method for selective enrichment of carbon nanotubes A method for treating carbon nanotubes with microwave energy to selective remove metallic-type carbon nanotubes is provided. A sample containing carbon nanotubes is positioned in a microwave cavity at a location corresponding to a maximum in the electric field compo... | 08/03/2010 |
| 7731931 | Storage materials for hydrogen and other small molecules This invention relates to adsorbents useful for storing hydrogen and other small molecules, and to methods for preparing such adsorbents. The adsorbents are produced by heating carbonaceous materials to a temperature of at least 900° C. in an atmosphere of hydrogen... | 06/08/2010 |
| 7727505 | Methods for separating carbon nanotubes by enhancing the density differential A method for separating carbon nanotubes comprises: providing a mixture of carbon nanotubes; introducing an organic molecule having an end group capable of being chelated by a metal ion to the mixture of carbon nanotubes to covalently bond the organic molecule to at... | 06/01/2010 |
| 7655210 | Porous carbons A method of making mesoporous carbon beads comprises steps of providing a nucleophilic component such as phenolic compound or phenol condensation prepolymer, dissolving the nucleophilic component in a pore former, together with at least one electrophilic cross-linki... | 02/02/2010 |
| 7611687 | Welding of carbon single-walled nanotubes by microwave treatment Methods and processes for preparing interconnected carbon single-walled nanotubes (SWNTs) are disclosed. The SWNTs soot, synthesized by any one of the art methods, is heated to less than about 1250° C. in flowing dry air using the electrical field (E) component of ... | 11/03/2009 |
| 7582275 | Method of processing filamentary nanocarbon The method of the present invention utilizes high pressure, near-supercritical CO2 within a pressure vessel to process filamentary nanocarbon to debulk, disperse, purify, surface treat, pre-impregnate, and micronize the carbon nanofibers. In accordance wi... | 09/01/2009 |
| 7514063 | Method for the purification of semiconducting single walled carbon nanotubes A method of obtaining purified semiconducting SWCNTs from a bulk mixture of metallic SWCNTs and semiconducting SWCNTs by first creating an aqueous solution containing the bulk mixture and adding a functionalized particle or nanoparticle to the solution, whereby the ... | 04/07/2009 |
| 7481990 | Methods for osmylating and ruthenylating single-walled carbon nanotubes The present invention provides a method of differentiating metallic carbon nanotubes from semiconducting carbon nanotubes. The method comprising providing a nanotube dispersion, wherein the nanotube dispersion comprises a plurality of carbon nanotubes, osmium tetrox... | 01/27/2009 |
| 7435476 | Functionalized nanotube material for supercapacitor electrodes The present teachings are directed toward compositions of supercapacitor electrode materials containing a functionalized carbon nanotube-containing material substantially free of binder material and methods for preparing the functionalized carbon nanotube-containing... | 10/14/2008 |
| 7425521 | Structured adsorbent media for purifying contaminated air A method for purifying breathing air using a carbon-based monolith structure impregnated with copper, silver, zinc, and molybdenum species and triethylenediamine, wherein the monolith structure is impregnated by a multiple step process. The method of impregnation re... | 09/16/2008 |
| 7413723 | Methods of oxidizing multiwalled carbon nanotubes Methods of oxidizing multiwalled carbon nanotubes are provided. The multiwalled carbon nanotubes are oxidized by contacting the carbon nanotubes with gas-phase oxidizing agents such as CO2, O2, steam, N2O, NO, NO2, O3... | 08/19/2008 |
| 7410628 | Surface treatment of carbon microfibers A method of oxidizing the surface of carbon microfibers that includes contacting the microfibers with an oxidizing agent that includes sulfuric acid and potassiaum chlorate under reaction conditions sufficient to oxidize the surface. The invention also features a me... | 08/12/2008 |
| 7410630 | Method and an installation for obtaining carbon bodies from carbon-precursor bodies The method comprises a first stage of transforming carbon precursor material into carbon by heating, with the resulting gaseous effluent being extracted continuously, and a second stage of high temperature heat treatment under low pressure with the resulting gaseous... | 08/12/2008 |
| 7407640 | Functionalized carbon nanotube-polymer composites and interactions with radiation The present invention involves the interaction of radiation with functionalized carbon nanotubes that have been incorporated into various host materials, particularly polymeric ones. The present invention is directed to chemistries, methods, and apparatuses which ex... | 08/05/2008 |
| 7384520 | Method for manufacturing hybrid carbon nanotube The invention of present application relates to a method for enabling a hybrid carbon nanotube having an arbitrary composition ratio to be readily manufactured, and the hybrid carbon nanotube. A method for manufacturing a hybrid carbon nanotube, which comprises imme... | 06/10/2008 |
| 7378188 | Storage device and method for sorption and desorption of molecular gas contained by storage sites of nano-filament laded reticulated aerogel An apparatus and method for sorption and desorption of molecular gas contained by storage sites of graphite nano-filaments randomly disposed in three-dimensional reticulated aerogel. ... | 05/27/2008 |
| 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 extracted from the oven via an effluent exhaust pipe. At least one sodium-neu... | 04/01/2008 |
| 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, dispersing nanotubes, enabling dissolution of nanotubes, and noncovale... | 03/18/2008 |
| 7338542 | Designed cellular coal Coal-based cellular products that can be custom designed to have integral stiffeners or load paths, directed heat transfer paths, and/or directed mass transfer paths and methods for their production are described. Such design and production is made possible by the a... | 03/04/2008 |
| 7306635 | Designed cellular coal Coal-based cellular products that can be custom designed to have integral stiffeners or load paths, directed heat transfer paths, and/or directed mass transfer paths and methods for their production are described. Such design and production is made possible by the a... | 12/11/2007 |
| 7300560 | Cathode block for aluminum refining and method for production thereof A cathode block for aluminum refining containing a calcined coke in a proportion of 15 to 100 wt %, characterized in that the calcined coke is prepared by mixing a heavy oil having a content of quinoline insoluble components of 10 to 25 wt % with 3 to 20 wt % of car... | 11/27/2007 |
| 7294314 | Heat exchangers with novel ball joints and assemblies and processes using such heat exchangers What is disclosed herein deals with low to medium pressure, high temperature, all ceramic, air-to-air, indirect heat exchangers, novel ball joints, high load-bearing ceramic tube sheets, and tube seal extenders for ceramic tubes that are useful in such heat exchange... | 11/13/2007 |
| 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 effectively making carbon alewives, which are discrete, acicular-shaped a... | 10/30/2007 |
| 7282526 | Particle having an attached halide group and methods of making the same A modified particle or aggregate is disclosed wherein a particle has an attached group having the formula: wherein the substituents are defined in the disclosure. Modified particles with attached polymers are als... | 10/16/2007 |
| 7261873 | Power generation from sulphur-containing fuels A process for obtaining energy values contained in a sulphur-containing carbonaceous fuel, the process comprising (a) treating a feed carbonaceous fuel having a first bound-sulphur content with an effective amount of an oxygen and SO2-containing gas in a ... | 08/28/2007 |
| 7252812 | High-yield method of endohedrally encapsulating species inside fluorinated fullerene nanocages This invention is directed to the fluorination (or derivatization with alternative chemical species) of fullerene carbon nanocages as an efficient way to (a) facilitate synthesis of endohedral complexes by a significant reduction or elimination of the barriers for t... | 08/07/2007 |
| 7244407 | Polymer and method for using the polymer for solubilizing nanotubes A new, non-wrapping approach to solubilize nanotubes, such as carbon nanotubes, in organic and inorganic solvents is provided. In accordance with certain embodiments, carbon nanotube surfaces are functionalized in a non-wrapping fashion by functional conjugated poly... | 07/17/2007 |
| 7241496 | Polymer and method for using the polymer for noncovalently functionalizing nanotubes A new, non-wrapping approach to functionalizing nanotubes, such as carbon nanotubes, in organic and inorganic solvents is provided. In accordance with certain embodiments, carbon nanotube surfaces are functionalized in a non-wrapping fashion by functional conjugated... | 07/10/2007 |
| 7232601 | Method for preparing composite flexible graphite material An improved method enables preparation of articles for a variety of applications, including embossing or otherwise shaping to form a variety of articles. A plurality of thin, preferably resin-impregnated, flexible graphite sheets are arranged to form zones in a comp... | 06/19/2007 |
| 7195834 | Metallized conducting polymer-grafted carbon material and method for making A composition comprising particulate carbonaceous material and a conducting polymer containing hetero atoms. The composition can further comprise a metal. Devices comprising the composition can be constructed including supported electrocatalysts, membrane electrode ... | 03/27/2007 |
| 7175930 | Conducting polymer-grafted carbon material for fuel cell applications A composition comprising particulate carbonaceous material and a conducting polymer containing hetero atoms. The composition can further comprise a metal. Devices comprising the composition can be constructed including supported electrocatalysts, membrane electrode ... | 02/13/2007 |
| 7166266 | Isolation and purification of single walled carbon nanotube structures Disclosed are methods for isolating and purifying single wall carbon nanotubes from contaminant matrix material, methods for forming arrays of substantially aligned nanotubes, and products and apparatus comprising a plurality of nanotube structures. ... | 01/23/2007 |
| 7150865 | Method for selective enrichment of carbon nanotubes A method for treating carbon nanotubes with microwave energy to selective remove metallic-type carbon nanotubes is provided. A sample containing carbon nanotubes is positioned in a microwave cavity at a location corresponding to a maximum in the electric field compo... | 12/19/2006 |
| 7148285 | Coated carbon black pellets and methods of making same A method of producing coated carbon black pellets is disclosed and includes contacting carbon black pellets with a coating agent to at least partially coat the individual carbon black pellets with the coating agent. The amount of coating agent applied to the carbon ... | 12/12/2006 |
| 7147894 | Method for assembling nano objects A method for the self assembly of a macroscopic structure with a pre-formed nano object is provided. The method includes processing a nano object to a desired aspect ratio and chemical functionality and mixing the processed nano object with a solvent to form a suspe... | 12/12/2006 |
