Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7815887 | Conductive nonwoven fabric The invention relates to a conductive nonwoven fabric that is carbonized and/or graphitized and possesses a bending rigidity | 10/19/2010 |
| 7678358 | Carbon fibers from kraft softwood lignin A method of making a carbon fiber from softwood alkaline black liquor lignin by acetylating the lignin to provide a meltable and drawable lignin. ... | 03/16/2010 |
| 7410629 | Method of preparation for carbon nanotube material The present invention provides a method for preparing a carbon nanotube material. In the present invention, a mixture of polyolefin and modified montmorillonite is used as the carbon source. Under the action of a catalyst, a carbon nanotube is synthesized in air. Th... | 08/12/2008 |
| 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 |
| 7264878 | Laminated carbon foam sandwich for naval decking A laminate sandwich structure useful for, inter alia, decking for naval vessels, which includes a core formed of carbon foam having a ratio of compressive strength to density of at least about 7000 psi/g/cc. ... | 09/04/2007 |
| 7250545 | Method of separating olefins from mixtures with paraffins A process for the separation or concentration of olefinic hydrocarbons from mixtures of olefinic and paraffinic hydrocarbons uses a polyimide membrane. The process is well suited to separating propylene from propylene/propane mixtures. The novel method The membrane ... | 07/31/2007 |
| 7238308 | Process for the infiltration of porous carbon composites A process form producing ceramic composites comprising metal carbides, which comprises the steps production of a porous carbon-containing intermediate body, infiltration of the intermediate body with the melt of a carbon-forming metal, reaction of at least part of t... | 07/03/2007 |
| 7214114 | Buoyancy element and module A buoyancy element (200) is disclosed which comprises a moulded body of plastics-composite material incorporating reinforcement (202) comprising at least one elongate flexible member or filament, embedded in the body and adapted to retain fragments of ... | 05/08/2007 |
| 7175494 | Forming carbon nanotubes at lower temperatures suitable for an electron-emitting device An electron-emitting device contains a vertical emitter electrode patterned into multiple laterally separated sections situated between the electron-emissive elements, on one hand, and a substrate, on the other hand. The electron-emissive elements comprising carbon ... | 02/13/2007 |
| 7166237 | Pitch-based carbon foam heat sink with phase change material A process for producing a carbon foam heat sink is disclosed which obviates the need for conventional oxidative stabilization. The process employs mesophase or isotropic pitch and a simplified process using a single mold. The foam has a relatively uniform distributi... | 01/23/2007 |
| 7160361 | Evaporative emission treatment device Disclosed herein an evaporative emission treatment device comprising: a housing; and an adsorption member disposed in the housing, the adsorption member comprising an adsorption component comprising an activated carbon textile made from a novoloid precursor. ... | 01/09/2007 |
| 7157019 | Pitch-based carbon foam heat sink with phase change material A process for producing a carbon foam heat sink is disclosed which obviates the need for conventional oxidative stabilization. The process employs mesophase or isotropic pitch and a simplified process using a single mold. The foam has a relatively uniform distributi... | 01/02/2007 |
| 7147214 | Humidifier for fuel cell using high conductivity carbon foam A method and apparatus of supplying humid air to a fuel cell is disclosed. The extremely high thermal conductivity of some graphite foams lends itself to enhance significantly the ability to humidify supply air for a fuel cell. By utilizing a high conductivity pitch... | 12/12/2006 |
| 7105141 | Process and apparatus for the manufacture of carbon microballoons This invention provides a stepped heating cycle for the pre-treatment of phenolic microballoons prior to carbonization thereof, wherein the heating cycle comprises the steps of sequentially: gradually elevating the temperature of the microballoons to a temperature i... | 09/12/2006 |
| 7070755 | Pitch-based carbon foam and composites and use thereof A thermally conductive carbon foam is provided, normally having a thermal conductivity of at least 40 W/m·K. The carbon foam usually has a specific thermal conductivity, defined as the thermal conductivity divided by the density, of at least about 75 W·cm3 | 07/04/2006 |
| 7067077 | Process for manufacturing friction material suitable for use as brake lining Carbon-silicon carbide brake preforms are manufactured by carbonizing a blend of carbon (e.g., polyacrylonitrile) fibers and thermosetting pitch resin, optionally along with a lubricant such as graphite,.to provide an intermediate product having open porosity and su... | 06/27/2006 |
| 7018526 | Carbonized pitch moldings prepared from synthetic mesophase pitch and heat-soaked isotropic pitch The present invention provides carbonized pitch articles and methods for producing the same. Synthetic mesophase pitch is mixed with partially anisotropic pitch, which may be selected from heat-soaked isotropic pitch and heat-soaked mixtures of isotropic pitch and m... | 03/28/2006 |
| 7014151 | Pitch-based carbon foam heat sink with phase change material A process for producing a carbon foam heat sink is disclosed which obviates the need for conventional oxidative stabilization. The process employs mesophase or isotropic pitch and a simplified process using a single mold. The foam has a relatively uniform distributi... | 03/21/2006 |
| 7016462 | Ionic pre-concentration XRF identification and analysis device, system and method A device, system and method for detecting and measuring concentrations of elements in fluids comprises: flowing a fluid through a central flow interelectrode gap of an ionic preconcentration cell separating an upper high specific surface area electrode from a lower ... | 03/21/2006 |
| 7008526 | Processes for producing coke, artificial graphite and carbon material for negative electrode of non-aqueous solvent type secondary battery and pitch composition used therefor When a pitch composition prepared by mixing 100 parts by weight of mesophase pitch with 10 to 1,000 parts by weight of coal tar pitch, is heat-treated at a temperature of 500° C. or higher, it is possible to produce a high-density coke at a high yield while avoidin... | 03/07/2006 |
| 6949314 | Carbon-carbon composite anode for secondary non-aqueous electrochemical cells The present invention provides a secondary electrochemical cell comprising a body of aprotic, non-aqueous electrolyte, first and second electrodes in effective electrochemical contact with the electrolyte, the first electrode comprising active materials such as a li... | 09/27/2005 |
| 6936565 | Modified carbide and oxycarbide containing catalysts and methods of making and using thereof Compositions including modified carbide-containing nanorods and/or modified oxycarbide-containing nanorods and/or modified carbon nanotubes bearing carbides and oxycarbides and methods of making the same are provided. Rigid porous structures including modified oxyca... | 08/30/2005 |
| 6918849 | Power transmission belt containing chopped carbon fibers An endless power transmission belt having (1) a tension section; (2) a cushion section; and (3) a load-carrying section disposed between the tension section and cushion section; and the belt contai... | 07/19/2005 |
| 6770227 | Carbon material A carbon material which is an isotropic bulk material in which a rigid aromatic polymer or a reinforcing polymer is dispersed in the matrix polymer finely, homogeneously and sufficiently, and which is excellent in physical characteristics, particularly in conductivi... | 08/03/2004 |
| 6759004 | Process for forming microporous metal parts A metal injection-molding feedstock is heated and plasticized. Supercritical carbon dioxide is injected into the feedstock to form micropores when the pressure is reduced and a parts mold is filled. The micropores are retained when the green parts are debindered and... | 07/06/2004 |
| 6743500 | Hollow carbon fiber and production method Production of hollow carbon fibers and hollow carbon particles includes baking and carbonization of polymer particles having a specified volume after deformation. A metal-deposited carbon fiber with metal deposited inside and/or outside the hollow carbon fiber is ap... | 06/01/2004 |
| 6733737 | Rapid oxidation/stabilization technique for carbon foams, carbon fibers and C/C composites An enhanced method for the post processing, i.e. oxidation or stabilization, of carbon materials including, but not limited to, carbon foams, carbon fibers, dense carbon-carbon composites, carbon/ceramic and carbon/metal composites, which method requires relatively ... | 05/11/2004 |
| 6689295 | Carbonaceous porous body and method for producing the same The present invention provides a method of manufacturing an exfoliated graphite/phenol resin composite foam of a porosity of 50-95%, a density of 0.1-0.8 g/cm3, by forming under contact pressure or reduced pressure at a temperature of 140-200°... | 02/10/2004 |
| 6641792 | Hollow carbon fiber and production method Production of hollow carbon fibers and hollow carbon particles includes baking and carbonization of polymer particles having a specified volume after deformation. A metal-deposited carbon fiber with metal deposited inside and/or outside the hollow carbon ... | 11/04/2003 |
| 6632849 | Porous carbonized film and process for its production A porous carbonized film with fine continuous pores, obtained by carbonization of a highly heat-resistant resin porous film in an anaerobic atmosphere, and a process for its production.... | 10/14/2003 |
| 6589904 | Activated carbon and method for producing it The present invention provides an activated carbon produced by a process, which includes: activating a carbonaceous material, to obtain an activated carbonaceous material; and contacting the activated carbonaceous material with an acid. Another embodiment of t... | 07/08/2003 |
| 6576212 | Process for the production of carbonized material A process of producing a carbonized material, which includes a step of treating the biomass with a microwave for a period of time sufficient to carbonize an inner region thereof but insufficient to carbonize an outer region thereof, thereby obtaining a pa... | 06/10/2003 |
| 6573215 | Material for bearing rolling element A porous material suitable for use in a bearing rolling element. The porous material is obtained by a process which includes mixing degreased bran derived from rice bran with a thermosetting resin before kneading, subjecting a kneaded mixture to a primary... | 06/03/2003 |
| 6558644 | Process for preparing activated carbon from urban waste A process for the preparation of active carbon from urban waste. The waste is first stored to remove foreign materials and the size of the waste particles is reduced. The waste is dried under anaerobic conditions at a temperature range of 100° C.-150° C... | 05/06/2003 |
| 6528036 | Milled carbon fiber and process for producing the same Milled carbon fibers are provided which have a fiber cut surface and a fiber axis intersecting with each other at cross angles, the smaller one thereof being at least 65° on the average. The milled carbon fibers may have a specific surface area as measur... | 03/04/2003 |
| 6524501 | Pitch fiber bundle and pitch type carbon fiber bundle and method for production thereof This invention provides a pitch fiber bundle for carbon fibers of small size, a carbon fiber bundle, and a method for the production thereof, i.e. a method for the production of carbon fibers of a small size, a pitch fiber bundle, and a carbon fiber bundl... | 02/25/2003 |
| 6514897 | Carbide and oxycarbide based compositions, rigid porous structures including the same, methods of making and using the same The present invention relates to compositions and rigid porous structures that contain nanorods having carbides and/or oxycarbides and methods of making and using such compositions and such rigid porous structures. The compositions and rigid porous struct... | 02/04/2003 |
| 6503655 | Gas diffusion electrode and its production A thin, flat, and porous carbon gas diffusion electrode having a side in contact with a supply of gas and a side in contact with an electrolyte, comprises a pyrolysis product of a composite of an organic aerogel or xerogel and a reinforcing skeleton consi... | 01/07/2003 |
| 6500401 | Carbon foams and methods of making the same A method of making carbon foam is described which involves pyrolizing a mixture containing at least one pyrolizable substance and at least one unpyrolizable material and then removing the unpyrolizable material to obtain the carbon foam. Carbon foam made ... | 12/31/2002 |
| 6485592 | Precursor fiber bundle for manufacture of carbon fiber, manufacturing apparatus and method of manufacturing carbon fiber bundle A continuous precursor fiber bundle for manufacture of carbon fibers comprising a plurality of precursor fiber bundles each of which comprises at least 30,000 filaments, having a joined portion formed by joining at the terminal end of one of the precursor... | 11/26/2002 |
