Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8178259 | Optimized gas diffusion media to improve fuel cell performance A gas diffusion media is described. The gas diffusion media comprises a conductive porous substrate; and a microporous layer; wherein a cathode effective transport length is in a range of about 700 to about 1900 μm; wherein an overall thermal resistance is in a ran... | 05/15/2012 |
| 8124043 | Method of preparing carbon nanotube containing electrodes The present teachings are directed toward a matrix containing nanosized metal components and carbon nanotubes, with the carbon nanotubes being produced in situ by the nanosized metal components upon the contacting of the nanosized metal components with a carbon sour... | 02/28/2012 |
| 8088352 | Graphitic-carbon-nanofiber/polymer brushes as gas sensors A composition of matter including at least one graphitic-carbon-nanofiber/polymer brush. A method of making the graphitic-carbon-nanofiber/polymer brush includes covalently bonding a polymer to a surface of a graphitic-carbon-nanofiber by atom-transfer-radical-polym... | 01/03/2012 |
| 8057776 | Process to produce carbon nanotubes from microalgae We disclose a process to produce carbon nanotubes from microalgae. Microalgae is been utilized for biodiesel production. The algal membrane resulted from oil extraction of microalgae is used here to produce carbon nanotubes. The process utilized for the conversion i... | 11/15/2011 |
| 8048395 | Method of coating catalyst metal layer by using nucleic acid and method of forming nanocarbon by using the method of coating the catalyst metal layer Provided are a method of coating a catalyst metal layer by using a nucleic acid, and a method of forming nanocarbon using the method of coating a catalyst metal layer. The method of coating a catalyst metal layer includes preparing an aqueous solution; the aqueous s... | 11/01/2011 |
| 8043596 | Method for producing vapor grown carbon nanotube The invention provides a method for producing carbon nanotubes, comprising spraying an oil onto a catalyst metal supported by at least one support selected from the group consisting of silica gel, alumina, magnesia, silica-alumina and zeolite which is placed in an a... | 10/25/2011 |
| 8034315 | Methods of forming devices comprising carbon nanotubes Some embodiments include devices that contain bundles of CNTs. An undulating topography extends over the CNTs and within spaces between the CNTs. A global maximum lateral width is defined as the greatest lateral width of any of the spaces. A material is directly ove... | 10/11/2011 |
| 8029757 | Method of cutting carbon nanotubes Carbon nanotubes and metal particle-containing carbon nanotubes are provided. The carbon nanotubes have increased surface area. A method of cutting carbon nanotubes is also provided. According to the method, the dispersion properties of the carbon nanotubes are impr... | 10/04/2011 |
| 8029758 | Process for producing single-walled carbon nanotubes with increased diameter There is provided a process for producing single-walled carbon nanotubes with an increased diameter, characterized in that it comprises a diameter-increasing treatment step of heating carbon nanotubes of a raw material at a degree of vacuum of 1.3×10−2 | 10/04/2011 |
| 8029759 | Pretreatment method for the synthesis of carbon nanotubes and carbon nanostructures from coal and carbon chars Carbon nanostructures such as multiwalled carbon nanotubes are formed from electrolyzed coal char. The electrolyzed coal char is formed by forming a slurry of coal particles, metal catalyst and water and subjecting this to electrolysis, which generates carbon dioxid... | 10/04/2011 |
| 8021640 | Manufacturing carbon nanotube paper Techniques and apparatuses for making carbon nanotube (CNT) papers are provided. In one embodiment, a method for making a CNT paper may include disposing a structure having an edge portion including a relatively sharp edge into a CNT colloidal solution and withdrawi... | 09/20/2011 |
| 7998449 | Carbon nanotubes production process Methods of making nanoparticles are disclosed. The nanoparticles include carbon nanotubes and fullerenes, but the methods can be extended to produce other nanotubes, nanocrystals, proteins, nanospheres, etc. The disclosed methods generate cavitation in fluids to cre... | 08/16/2011 |
| 7993620 | Systems and methods for formation and harvesting of nanofibrous materials A system that receives nanomaterials, forms nanofibrous materials therefrom, and collects these nanofibrous materials for subsequent applications. The system is coupled to a chamber that generates nanomaterials, typically carbon nanotubes produced from chemical vapo... | 08/09/2011 |
| 7976815 | Shape controlled growth of nanostructured films and objects A method and apparatus for growing nanostructures is presented. A growth substrate including at least one reaction site is provided as is a device disposed proximate the growth substrate. Energy is provided to the reaction site and a reaction species is introduced t... | 07/12/2011 |
| 7976816 | Method for functionalizating carbon naontubes 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... | 07/12/2011 |
| 7968072 | In-situ synthesis of carbon nanotubes filled with metallic nanoparticles using arc discharge in solution A novel method for simultaneously forming and filling and decorating carbon nanotubes with palladium nanoparticles is disclosed. Synthesis involves preparing a palladium chloride (PdCl2) solution in a container, having two graphite electrodes, then immers... | 06/28/2011 |
| 7947247 | Method for preparing single walled carbon nanotubes from a metal layer Methods of preparing single walled carbon nanotubes are provided. An arrangement comprising one or more layers of fullerene in contact with one side of a metal layer and a solid carbon source in contact with the other side of metal layer is prepared. The fullerene/m... | 05/24/2011 |
| 7931885 | Method of preparing carbon nanotube complexes A method of fabricating carbon nanotube complex is disclosed, which comprises, (A) dispersing carbon nanotubes in a solvent; (B) adding a filler to the above solution to give a precursor solution; (C) performing light illumination on the precursor solution; (D) wash... | 04/26/2011 |
| 7927575 | Method for making carbon fabric and product thereof A carbon fabric of high conductivity and high density is formed of oxidized fibers of polypropylene. The oxidized fibers have a carbon content at least 50 wt %, an oxygen content at least 4 wt %, and a limiting oxygen index at least 35%. The carbon fabric is made by... | 04/19/2011 |
| 7906095 | Method of growing carbon nanotube and carbon nanotube growing system When growing carbon nanotubes, a substrate is delivered into a thermal CVD chamber whose internal temperature is a room temperature, and a mixed gas of an inert gas and a raw gas is introduced in the inside thereof. After a pressure inside of the chamber is stabiliz... | 03/15/2011 |
| 7897131 | Nitrogen-mediated manufacturing method of transition metal-carbon nanotube hybrid materials The present invention relates to a method for manufacturing a transition metal-carbon nanotube hybrid material using nitrogen as a medium. The present invention is characterized in that nitrogen-added carbon nanotube is grown in the presence of metal catalyst partic... | 03/01/2011 |
| 7897132 | Process for production of carbon alloy products A process of making a carbon alloy from other carbonaceous materials is provided. A particulate of partially pyrolyzed carbon (PPC) base is formed on heating a carbon-containing feed material and a nucleating agent in the form of an interactive filler. The nucleatin... | 03/01/2011 |
| 7892517 | Process for derivatizing carbon nanotubes with diazonium species and compositions thereof Methods for the chemical modification of carbon nanotubes involve the derivatization of multi- and single-wall carbon nanotubes, including small diameter (ca. 0.7 nm) single-wall carbon nanotubes, with diazonium species. The method allows the chemical attachment of ... | 02/22/2011 |
| 7887774 | Methods for selective functionalization and separation of carbon nanotubes 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 separatin... | 02/15/2011 |
| 7887772 | Ultrafine porous graphitic carbon fiber and preparation method thereof The present invention discloses an ultrafine graphitic carbon fiber and a preparation method thereof. An ultrafine fiber having a diameter of 1 to 3000 nm is prepared by electrospinning a halogenated polymer solution containing a metal compound inducing graphitizati... | 02/15/2011 |
| 7887773 | Method for treating carbon nanotubes, carbon nanotubes and carbon nanotube devices A method for treating carbon nanotubes is provided. In the method for treating carbon nanotubes (CNTs), the CNTs are treated with SO3 gas at an elevated temperature, for example, at a temperature in the range of 385° C. to 475° C. ... | 02/15/2011 |
| 7867468 | Multiscale carbon nanotube-fiber reinforcements for composites Systems and methods for the preparation of reinforcements for composite materials, whereby single- and/or multi-walled carbon nanotubes (CNTs) may be electrophoretically deposited on fibrous substrates for the production of hybrid CNT/fibers. The fibers may include ... | 01/11/2011 |
| 7867469 | Complexes of carbon nanotubes and fullerenes with molecular-clips and use thereof Separation of carbon nanotubes or fullerenes according to diameter through non-covalent pi-pi interaction with molecular clips is provided. Molecular clips are prepared by Diels-Alder reaction of polyacenes with a variety of dienophiles. The pi-pi complexes of carbo... | 01/11/2011 |
| 7862793 | Growth of and defect reduction in nanoscale materials Methods by which the growth of a nanostructure may be precisely controlled by an electrical current are described here. In one embodiment, an interior nanostructure is grown to a predetermined geometry inside another nanostructure, which serves as a reaction chamber... | 01/04/2011 |
| 7829055 | Functionalized nano-carbon materials and method for functionalizing nano-carbon materials thereof A method of functionalizing nano-carbon materials with a diameter less than 1 μm, comprising: contacting the nano-carbon materials with a free radical generating compound such as azo-compound in an organic solvent under an inert gas atmosphere, thereby obtaining na... | 11/09/2010 |
| 7829054 | Actuator on the basis of geometrically anisotropic nanoparticles In an actuator including at least one active electrode disposed in an electrolyte and comprising at least two webs of an electrically conductive material with a plurality of geometrically anisotropic nanoparticles disposed thereon and oriented uni-directionally in a... | 11/09/2010 |
| 7824647 | Fabrication of quartz-clad carbon nanotube bundles A method of fabricating carbon nanotube bundles clad in a quartz sheath with high temperature and chemical resistance contains the steps of providing carbon nanotube sample in powder form which is vacuum-sealed within a quartz tube... | 11/02/2010 |
| 7824648 | Carbon nanotube arrays A carbon nanotube array includes a plurality of carbon nanotubes and at least one line mark formed on the carbon nanotubes. The carbon nanotubes have a top end and a bottom end. The at least one line mark is formed on the carbon nanotubes. The at least one line mark... | 11/02/2010 |
| 7807127 | Functionalization of carbon nanotubes The present invention relates to a carbon nanotube that contains nitrogen based functional groups (such as nitro, nitroso, N-oxide, oxime, hydroxylamine, diazo, azo, and azide) that are covalently attached to lattice carbons of the carbon nanotube, directly or via a... | 10/05/2010 |
| 7799307 | Method of growing single-walled carbon nanotubes A method of growing single-walled carbon nanotubes. The method may include supplying at least one of an oxidant and an etchant into a vacuum chamber and supplying a source gas into the vacuum chamber to grow carbon nanotubes on a substrate in an oxidant or an etchan... | 09/21/2010 |
| 7794683 | Method of making functionalized carbon nanotubes The present invention relates to methods for the preparation of a carbon nanotube from an amino-functionalized carbon nanotube via an amino oxidation reaction. The carbon nanotube includes nitrogen based functional groups that are covalently attached to lattice carb... | 09/14/2010 |
| 7794684 | Methods for producing carbon nanostructures Methods of producing carbon nanostructures utilizing a polymer and a nanostructure template to form carbon nanostructures are disclosed. The method does not require a metal catalyst. ... | 09/14/2010 |
| 7790135 | Carbon and electrospun nanostructures The present invention is directed to the production of nanostructures, e.g., single wall carbon nanotubes (“SWNT”) and/or multi-wall carbon nanotubes (“MWNT”), from solutions containing a polymer, such as polyacrylonitrile (PAN). In particular, the invention... | 09/07/2010 |
| 7771696 | Nanocomposites and functionalized carbon nanofibers A composition is provided in which carbon nanofibers are functionalized with at least one moiety where the moiety or moieties comprise at least one bivalent radical. The composition can include a nanocomposite, such as polyimide films. Methods for making functionali... | 08/10/2010 |
| 7771695 | Complexes of carbon nanotubes and fullerenes with molecular-clips and use thereof Separation of carbon nanotubes or fullerenes according to diameter through non-covalent pi-pi interaction with molecular clips is provided. Molecular clips are prepared by Diels-Alder reaction of polyacenes with a variety of dienophiles. The pi-pi complexes of carbo... | 08/10/2010 |
