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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7960440 | Highly dispersible carbon nanospheres in an organic solvent and methods for making same The particle sizes of agglomerates of carbon nanospheres are reduced by dispersing the carbon nanospheres in an organic solvent. The carbon nanospheres are multi-walled, hollow, graphitic structures with an average diameter in a range from about 10 nm to about 200 n... | 06/14/2011 |
| 7935733 | Carbon nanotube solution dispersant and composition including the same A dispersant for a more concentrated carbon nanotube solution, and a composition including the same are provided. The dispersant may have a hydrophobic chain structure with head groups capable of surrounding carbon nanotube particles. The dispersant may adsorbed ont... | 05/03/2011 |
| 7691909 | Aerosol gels An improved process for the production of ultralow density, high specific surface area gel products is provided which comprises providing, in an enclosed chamber, a mixture made up of small particles of material suspended in gas; the particles are then caused to agg... | 04/06/2010 |
| 7666915 | Highly dispersible carbon nanospheres in a polar solvent and methods for making same The particle sizes of agglomerates of carbon nanospheres are reduced by dispersing the carbon nanospheres in a polar solvent. The carbon nanospheres are multi-walled, hollow, graphitic structures with an average diameter in a range from about 10 nm to about 200 nm, ... | 02/23/2010 |
| 7365100 | Compositions of suspended non-aggregated carbon nanotubes, methods of making the same, and uses thereof The invention is directed, in part, to stable compositions of suspended carbon nanotubes, methods of making them, and uses thereof. The invention provides methods of producing high and low concentrations of highly dispersed carbon nanotubes suspended in a liquid. Th... | 04/29/2008 |
| 7335395 | Methods of using pre-formed nanotubes to make carbon nanotube films, layers, fabrics, ribbons, elements and articles Methods of Using Preformed Nanotubes to Make Carbon Nanotube Films, Layers, Fabrics, Ribbons, Elements and Articles are disclosed. To make various articles, certain embodiments provide a substrate. Preformed nanotubes are applied to a surface of the substrate to cre... | 02/26/2008 |
| 7300958 | Ultra-dispersed nanocarbon and method for preparing the same Ultradispersed ones of primary particles of nanometer-sized carbon are obtained by applying a wet-type milling method and/or a wet dispersion method to an aggregate structure of the primary particles to overcome van der Waals forces, by which forces the primary part... | 11/27/2007 |
| 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 |
| 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 other organic solvents, such as acetone, toluene and methanol. SEM after ... | 07/31/2007 |
| 7217374 | Resistance element, method of manufacturing the same, and thermistor To provide a resistance element having an electric resistance body with excellent stability and a method of manufacturing the same. The resistance element includes an electric resistance body, on a base body surface, consisting of a carbon nanotube structure layer | 05/15/2007 |
| 7176505 | Electromechanical three-trace junction devices Three trace electromechanical circuits and methods of using same. A circuit includes first and second electrically conductive elements with a nanotube ribbon (or other electromechanical elements) disposed therebetween. An insulative layer is disposed on one of the f... | 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 |
| 7131537 | Separation of single wall carbon nanotubes A method has been developed for the post-synthesis separation of nanotubes by size and/or type. Solubilized, functionalized nanotubes are passed over a GPC column such that length-separated fractions are collected. These length-separated fractions can then further b... | 11/07/2006 |
| 7120047 | Device selection circuitry constructed with nanotube technology A memory system having electromechanical memory cells and decoders is disclosed. A decoder circuit selects at least one of the memory cells of an array of such cells. Each cell in the array is a crossbar junction at least one element of which is a nanotube or a nano... | 10/10/2006 |
| 7098249 | Highly stabilized colloidal system for improving the physical, mechanical and chemical properties of building materials A highly stabilized colloidal system is disclosed comprising (a) 30 to 45 volume percent of a liquid phase comprising C15–C20 saturated hydrocarbons, C18–C25 unsaturated hydrocarbons and paraffinic mineral oil; and (b) 55 to 70 volume percent of a ... | 08/29/2006 |
| 6979590 | Methods of making electromechanical three-trace junction devices Methods of producing an electromechanical circuit element are described. A lower structure having lower support structures and a lower electrically conductive element is provided. A nanotube ribbon (or other electromechanically responsive element) is formed on an up... | 12/27/2005 |
| 6919592 | Electromechanical memory array using nanotube ribbons and method for making same Electromechanical circuits, such as memory cells, and methods for making same are disclosed. The circuits include a structure having electrically conductive traces and supports extending from a surface of the substrate, and nanotube ribbons suspended by the supports... | 07/19/2005 |
| 6911682 | Electromechanical three-trace junction devices Three trace electromechanical circuits and methods of using same are described. A circuit includes first and second electrically conductive elements with a nanotube ribbon (or other electromechanical elements) disposed therebetween. The nanotube ribbon is movable to... | 06/28/2005 |
| 6783746 | Preparation of stable nanotube dispersions in liquids The introduction of nanotubes in a liquid provides a means for changing the physical and/or chemical properties of the liquid. Improvements in heat transfer, electrical properties, viscosity, and lubricity can be realized upon dispersion of nanotubes in liquids; how... | 08/31/2004 |
| 6703443 | Low-viscosity nonaqueous liquid pigment dispersions and methods of utilizing such compositions A new and useful nonaqueous liquid pigment dispersion is provided which is easy to handle and produces thorough and effective colorations within target media, particularly as compared to standard solid pigments or high-viscosity liquid pigment dispersions... | 03/09/2004 |
| 6607591 | Low-viscosity nonaqueous liquid pigment dispersions and methods of utilizing such compositions A new and useful nonaqueous liquid pigment dispersion is provided which is easy to handle and produces thorough and effective colorations within target media, particularly as compared to standard solid pigments or high-viscosity liquid pigment dispersions... | 08/19/2003 |
| 6531513 | Method of solubilizing carbon nanotubes in organic solutions Carbon nanotubes are dissolved in organic solutions by attaching an aliphatic carbon chain (which may contain aromatic residues) so as to render the carbon nanotubes soluble.... | 03/11/2003 |
| 6328894 | Processes of purifying a dispersion and making inkjet inks A process to purify and classify a dispersion containing stabilized particles having counterions and ions as well as free species is disclosed. The solution may comprise an aqueous media, a solvent media, or a combination of both and can include more than... | 12/11/2001 |
| 6187823 | Solubilizing single-walled carbon nanotubes by direct reaction with amines and alkylaryl amines Naked single-walled nanotube carbon metals and semiconductors are dissolved in organic solutions by direct functionalization with amines or alkylaryl amines having an uninterrupted carbon chain of at least 5 and more preferably 9 carbon atoms in length.... | 02/13/2001 |
| 6159604 | Seed diamond powder excellent in adhesion to synthetic diamond film forming surface and dispersed solution thereof A diamond powder, comprises diamond powder particles, and polar and non-polar groups, bonded onto surfaces of the particles. This seed diamond powder and a dispersed solution thereof can be used to seed a substrate for the deposition of diamond at a high ... | 12/12/2000 |
| 5997894 | Animal resistant coating composition and method of forming same A flexible coating composition of hard ceramic particles, a binder and a polymer, and a method of making the same is disclosed. The coating composition can withstand an animal attack with pressuresࣙ22,000 psi.... | 12/07/1999 |
| 5957828 | Silver sol, preparation thereof, coating material for forming transparent conductive film and transparent conductive film A silver sol comprises silver particles having a particle size ranging from 1 to 100 nm and a silver solid content ranging from 1 to 80% by weight. The silver sol can be prepared by a method comprising the steps of reacting a solution of a silver compound... | 09/28/1999 |
| 5744523 | Use of polyacrylate esters as dispersants Polyacrylate esters having an average molecular weight of 1500 to 20,000 and being obtainable by the transesterification of alkyl polyacrylates, obtained by free radical polymerization and containing 1 to 4 carbon atoms in the alkyl group, with a) saturat... | 04/28/1998 |
| 5383965 | Naphthenic acid esters as dispersing agents for pigment additives and products incorporating same The present invention provides for novel pigment-dispersant compositions, incorporating various pigments, such as for example carbon blacks, comprising dispersants which are esters of naphthenic acid, and higher and lower analogs thereof. The invention al... | 01/24/1995 |
| 5332523 | Dispersion-stabilizing agent for inorganic powder in oily material A dispersion stabilizing agent for inorganic powder in an oily material, comprising a copolymer of (i) a polyoxyalkylene derivative represented by the general formula [I] below with (ii) one or more of maleic acid and the derivatives thereof selected from... | 07/26/1994 |
| 5330680 | Foliated fine graphite particles and method for preparing same This invention relates to a method for preparing fine graphite particles which can be used as a highly functional graphite material in wide applications. According to this method, foliated fine graphite particles having a high aspect ratio and hence well-... | 07/19/1994 |
| 5244979 | Pigment dispersing agent A pigment dispersing agent for paints is constituted with a particular acrylic polymer component having a tertiary amino group and/or a nitrogen-containing heterocyclic ring and a particular polyester component, and has particular number average molecular... | 09/14/1993 |
| 5202056 | Composition of matter for oligomeric aliphatic ethers as asphaltene dispersants A composition of matter useful as an asphaltene dispersant, comprising a mixture of: (a) poly[di(propylene oxide-400)phosphite]-g-poly(propylene oxide-400) alcohol; (b) poly[di(propylene oxide-1000)phosphite]-g-poly(propylene oxide-400) alcohol; (c) poly[... | 04/13/1993 |
| 5194090 | Liquid pigment composition, and master-colored polyamide yarn made by using same A liquid pigment composition for master-coloring polyamides is described, which is comprised of a pigment and a pigment dispersant composed of a polymeric material selected from liquid polyesters and a liquid polyether esters, each having a hydroxyl value... | 03/16/1993 |
| 5034508 | Dispersant for nonaqueous systems The present invention relates to a dispersant for nonaqueous systems which can disperse insoluble fine powders in nonaqueous liquids in a short period of time and give long-term dispersion stability to the resulting dispersions without allowing the format... | 07/23/1991 |
| 4949743 | Fluidization of heavy slurries A process for fluidizing oily heavy slurries chosen from slurries of catalyst fines in hydrocarbon, coke slurries in hydrocarbon, and asphalt residues in hydrocarbon which comprises: (1) heating, with effective mixing, the oily heavy slurries to at least ... | 08/21/1990 |
| 4711643 | Stabilized coal oil mixtures Improved stabilizers for use in coal-oil mixtures are disclosed and comprise quaternary ammonium hydroxides, preferably they are formed by the reaction of a molar excess of sodium hydroxide or lithium hydroxide with a quaternary ammonium salt.... | 12/08/1987 |
| 4530701 | Process of manufacturing a co-fuel additive with combustion-modifying effects A process of manufacturing a co-fuel additive for promoting the suspension of coal macroparticles in petroleum fuel liquid incorporates a quantity of pulverulent alkaline fluxing mineral material for modifying the solid and gaseous products that results f... | 07/23/1985 |
| 4442019 | Electroordered dipole suspension An electrodichroic composition of matter comprising a concentrated suspension of submicron conductive particles in an insulating fluid which, upon the application of a strong electric field to the suspension, exhibits a new electroordering effect with gre... | 04/10/1984 |
| 4436527 | Stabilizer for mixed fuels A stabilizer for mixed fuels containing a reaction product obtained by reacting (1) a polyol having at least 3 hydroxyl groups in the molecule and a molecular weight of 400-10,000 with (2) an epihalohydrin, as the principal component.... | 03/13/1984 |
