| Patent Number |
Title Of Patent |
Date Issued |
| 7585420 |
Carbon nanotube substrates and catalyzed hot stamp for polishing and patterning the substrates |
September 8, 2009 |
| The present invention is generally directed to catalyzed hot stamp methods for polishing and/or patterning carbon nanotube-containing substrates. In some embodiments, the substrate, as a carbon nanotube fiber end, is brought into contact with a hot stamp (typically at 200-800.degree. C.) |
| 7578941 |
Length-based liquid-liquid extraction of carbon nanotubes using a phase transfer catalyst |
August 25, 2009 |
| The present invention is generally directed to new liquid-liquid extraction methods for the length-based separation of carbon nanotubes (CNTs) and other 1-dimensional nanostructures. In some embodiments, such methods are directed to separating SWNTs on the basis of their length, wher |
| 7572426 |
Selective functionalization of carbon nanotubes |
August 11, 2009 |
| The present invention is directed toward methods of selectively functionalizing carbon nanotubes of a specific type or range of types, based on their electronic properties, using diazonium chemistry. The present invention is also directed toward methods of separating carbon nanotubes |
| 7494639 |
Purification of carbon nanotubes based on the chemistry of fenton's reagent |
February 24, 2009 |
| The present invention is directed to methods of purifying carbon nanotubes (CNTs). In general, such methods comprise the following steps: (a) preparing an aqueous slurry of impure CNT material; (b) establishing a source of Fe.sup.2+ ions in the slurry to provide a catalytic slurry; (c) |
| 7470417 |
Ozonation of carbon nanotubes in fluorocarbons |
December 30, 2008 |
| The present invention is generally directed to methods of ozonating CNTs in fluorinated solvents (fluoro-solvents), wherein such methods provide a less dangerous alternative to existing ozonolysis methods. In some embodiments, such methods comprise the steps of: (a) dispersing carbon |
| 7413907 |
Carbon nanotubes and their derivatives as matrix elements for the matrix-assisted laser desorpti |
August 19, 2008 |
| The present invention is directed toward novel matrix elements, generally comprising functionalized carbon nanotubes, for matrix-assisted laser desorption ionization (MALDI)-mass spectroscopy (MS), methods of making such matrix elements, and to methods of using such matrix elements in |
| 7288238 |
Single-wall carbon nanotube alewives, process for making, and compositions thereof |
October 30, 2007 |
| 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 aggregates of align |
| 7262266 |
Copolymerization of polybenzazoles and other aromatic polymers with carbon nanotubes |
August 28, 2007 |
| The present invention is generally directed to the block copolymerization of rigid rod polymers with carbon nanotubes (CNTs), the CNTs generally being shortened, to form nanotube block copolymers. The present invention is also directed to fibers and other shaped articles made from the |
| 7252812 |
High-yield method of endohedrally encapsulating species inside fluorinated fullerene nanocages |
August 7, 2007 |
| 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 the entry of guest- |
| 7138100 |
Process for making single-wall carbon nanotubes utilizing refractory particles |
November 21, 2006 |
| A continuous gas-phase method for producing single-wall carbon nanotubes at high catalyst productivity and high yield is disclosed. The method involves the use of a novel in-situ formed catalyst to initiate and grow single-wall carbon nanotubes using a carbon-containing feedstock in a |
| 7125502 |
Fibers of aligned single-wall carbon nanotubes and process for making the same |
October 24, 2006 |
| The present invention involves fibers of highly aligned single-wall carbon nanotubes and a process for making the same. The present invention provides a method for effectively dispersing single-wall carbon nanotubes. The process for dispersing the single-wall carbon nanotubes compris |
| 7090819 |
Gas-phase process for purifying single-wall carbon nanotubes and compositions thereof |
August 15, 2006 |
| The present invention relates to an all gas-phase process for the purification of single-wall carbon nanotubes and the purified single-wall carbon nanotube material. Known methods of single-wall carbon nanotube production result in a single-wall carbon nanotube product that contains |
| 7074310 |
Method for separating single-wall carbon nanotubes and compositions thereof |
July 11, 2006 |
| The invention relates to a process for sorting and separating a mixture of (n, m) type single-wall carbon nanotubes according to (n, m) type. A mixture of (n, m) type single-wall carbon nanotubes is suspended such that the single-wall carbon nanotubes are individually dispersed. The |
| 7052668 |
Process utilizing seeds for making single-wall carbon nanotubes |
May 30, 2006 |
| A gas-phase method for producing high yields of single-wall carbon nanotubes with high purity and homogeneity is disclosed. The method involves using preformed metal catalyst clusters to initiate and grow single-wall carbon nanotubes. In one embodiment, multi-metallic catalyst precur |
| 7029646 |
Method for cutting single-wall carbon nanotubes through fluorination |
April 18, 2006 |
| A method for cutting single-wall carbon nanotubes involves partially fluorinating single-wall carbon nanotubes and pyrolyzing the partially fluorinated nanotubes in an inert atmosphere or vacuum up to about 1000.degree. C. The nanotubes are optionally purified before cutting. The par |
| 6962092 |
Method and apparatus for determining the length of single-walled carbon nanotubes |
November 8, 2005 |
| The present invention is directed to at least one method and at least one apparatus for determining the length of single-wall carbon nanotubes (SWNTs). The method generally comprises the steps of: dispersing a sample of SWNTs into a suitable dispersing medium to form a solvent-suspension |
| 6913789 |
Process utilizing pre-formed cluster catalysts for making single-wall carbon nanotubes |
July 5, 2005 |
| A gas-phase method for producing high yields of single-wall carbon nanotubes with high purity and homogeneity is disclosed. The method involves using preformed metal catalyst clusters to initiate and grow single-wall carbon nanotubes. In one embodiment, multi-metallic catalyst precur |
| 6752977 |
Process for purifying single-wall carbon nanotubes and compositions thereof |
June 22, 2004 |
| The present invention relates to a process for the purification of single-wall carbon nanotubes and the purified single-wall carbon nanotube material. Known methods of single-wall carbon nanotube production result in a single-wall carbon nanotube product that contains single-wall carbon |
| 5589231 |
Halogen-activated chemical vapor deposition of diamond |
December 31, 1996 |
| The present invention is directed to a method of producing diamond films through the thermal dissociation of molecular chlorine into atomic chlorine in a heated graphite heat exchanger at temperatures of from about 1,100.degree. C. to about 1,800.degree. C. The atomic chlorine is sub |
| 5316795 |
Halogen-assisted chemical vapor deposition of diamond |
May 31, 1994 |
| The present invention is directed to a method for depositing diamond films and particles on a variety of substrates by flowing a gas or gas mixture capable of supplying (1) carbon, (2) hydrogen, (3) a halogen and, preferably, (4) a chalcogen through a reactor over the substrate material. |
| 5071677 |
Halogen-assisted chemical vapor deposition of diamond |
December 10, 1991 |
| The present invention is directed to a method for depositing diamond films and particles on a variety of substrates by flowing a gas or gas mixture capable of supplying (1) carbon, (2) hydrogen and (3) a halogen through a reactor over the substrate material. The reactant gases may be pre |
| 5011295 |
Method and apparatus to simultaneously measure emissivities and thermodynamic temperatures of re |
April 30, 1991 |
| Method and apparatus for accurately and instantaneously determining the thermodynamic temperature of remote objects by continuous determination of the emissivity, the reflectivity, and optical constants, as well as the apparent or brightness temperature of the sample with a single instru |
