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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 8221830 | Method of manufacturing cellulose electrode for fuel cells, cellulose electrode manufactured thereby, and use of cellulose fibers as fuel cell electrodes Disclosed is a novel cellulose electrode having high performance, which is capable of substituting for carbon paper used as a conventional fuel cell electrode. A method of manufacturing the cellulose electrode includes cutting cellulose fibers to a predetermined len... | 07/17/2012 |
| 7736691 | Method for preparing functional organic particle The present invention relates to functional organic particles having functional nanoparticles dispersed in an organic polymeric matrix, wherein the distribution of the functional nanoparticles is increased in the direction toward increasing the particle diameter fro... | 06/15/2010 |
| 7351443 | Electron-emmiting material and manufacturing method therefor The present invention provides an emissive material with excellent electron emission characteristics. In particular, the present invention relates to a method for manufacturing an emissive material consisting of oriented graphite, having a step of obtaining an orien... | 04/01/2008 |
| 7338684 | Vapor grown carbon fiber reinforced composite materials and methods of making and using same A process for producing-vapor grown carbon fiber (VGCF) reinforced continuous fiber performs for the manufacture of articles with useful mechanical, electrical, and thermal characteristics is disclosed. Continuous fiber preforms are treated with a catalyst or cataly... | 03/04/2008 |
| 7326480 | Fuel cell power system and method of controlling a fuel cell power system A fuel cell power system includes a fuel cell which has an optimal voltage; an energy storage device having a nominal voltage substantially similar to the optimal voltage of the fuel cell; and an electrical switch that, in operation, selectively electrically couples... | 02/05/2008 |
| 7303834 | Catalytic coatings and fuel cell electrodes and membrane electrode assemblies made therefrom Fuel cell electrodes comprising a minimal load of catalyst having maximum catalytic activity and a method of forming such fuel cell electrodes. The preferred method comprises vaporizing a catalyst, preferably platinum, in a vacuum to form a catalyst vapor. A catalyt... | 12/04/2007 |
| 7285358 | Negative active material for lithium rechargeable batteries and method of fabricating same The present invention relates to a negative active material for a lithium rechargeable battery and a method of preparing the same, and the negative active material prepared by coating a carbon source with a coating liquid, and drying the carbon source, and the negat... | 10/23/2007 |
| 7264869 | Thermally conductive molded article and method of making the same A thermally conductive molded article is produced by molding a conductive composition into a predetermined shape. The composition includes a polymer matrix and carbon powders. The carbon powders are obtained by graphitizing a polymeric material that has an aromatic ... | 09/04/2007 |
| 7254888 | Method for manufacturing graphite-base heat sinks A method of fabricating a heat sink includes preparing a surface of a graphite-based substrate and removing particulate matter generated from the preparation of the surface of the substrate. A metal-based coating is applied at the surface of the prepared substrate. ... | 08/14/2007 |
| 7250188 | Depositing metal particles on carbon nanotubes Metal catalyst particles are deposited on carbon nanotubes by preparing a silane solution of a metal catalyst salt, e.g. platinum or ruthenium chloride, immersing an electrically conducting substrate carrying nanotubes in the silane solution to yield a composite str... | 07/31/2007 |
| 7194884 | Process and apparatus for manufacturing lithium or lithium alloy thin sheets for electrochemical cells A method of manufacturing lithium or lithium alloy anodes for electrochemical cells by an extrusion process wherein a lithium or lithium alloy ingot is formed into a thin sheet. The method is adapted to extrude thin sheet having a width exceeding the diameter of the... | 03/27/2007 |
| 7186357 | High swelling ramming paste for aluminum electrolysis cell A new ramming paste for aluminum reduction cell cathodes is a high swelling cold ramming paste made of a blend of pitch, light oil diluent and an aggregate comprising a mixture of anthracite and crushed anode butts or calcined coke. The presence of the crushed anode... | 03/06/2007 |
| 7147966 | Coated carbon nanotube array electrodes The present invention provides conductive carbon nanotube (CNT) electrode materials comprising aligned CNT substrates coated with an electrically conducting polymer, and the fabrication of electrodes for use in high performance electrical energy storage devices. In ... | 12/12/2006 |
| 7147744 | Process for production of multi-layer electrode or electrode assembly and gaseous diffusion electrode In order to make a process available for the production of a multi-layer electrode or electrode assembly, with which an electrode or electrode assembly optimized for the respective use may be produced in a simple and, in particular, inexpensive manner it is suggeste... | 12/12/2006 |
| 7069978 | Chemically compatible, lightweight heat pipe The present invention provides an apparatus including a magnesium alloy vessel that is substantially free of aluminum and zinc, but including magnesium in combination with a gettering metal. The magnesium alloy vessel has a hollow interior cavity containing a workin... | 07/04/2006 |
| 7041374 | Polymer materials with electrostatic dissipative properties A method for modifying the electrostatic discharge (ESD) characteristics of a polymeric material by integrating metallocene moieties as constituents of the polymer structure. In a preferred embodiment, the metallocene is part of the polymer backbone structure. In an... | 05/09/2006 |
| 7033650 | Method of producing a nanotube layer on a substrate In a method of producing a nanotube layer on a substrate by using a CVD process, the substrate is placed in a reaction chamber, which is flushed with a carbon-containing gas. Subsequently, the substrate is heated by an induction process to a temperature at which car... | 04/25/2006 |
| 6935618 | Valve component with multiple surface layers A sliding component, particularly a disk valve plate. The sliding component includes a multi-layer surface structure comprising a strengthening layer harder than the substrate material, and an amorphous diamond top layer. ... | 08/30/2005 |
| 6911411 | Catalyst agglomerates for membrane electrode assemblies A method of preparing catalyst agglomerates for electrochemical devices is provided. The method comprises dispersing particles of a catalyst in a non-aqueous solvent to form a dispersion of the catalyst, adding an ion conducting polymer in a dilute solution to the d... | 06/28/2005 |
| 6896706 | Carbonaceous materials coated with a metal or metal oxide, a preparation method thereof, and a composite electrode and lithium secondary battery comprising the same A carbon anode active material for lithium secondary battery comprising a cluster or thin film layer of a metal or metal oxide coated onto the surface of the carbon active material, a preparation method thereof, and a metal-carbon hybrid electrode and a lithium seco... | 05/24/2005 |
| 6830643 | Method of manufacturing an item and apparatus for manufacturing an item A method of manufacturing an item comprises the steps of: controlling a printer means to print a layer of retaining material in a predetermined pattern onto a substrate; applying a manufacturing material to be retained by the retaining material in substantially the ... | 12/14/2004 |
| 6780541 | Carbon electrode coated with porous metal film, its fabrication method and lithium secondary battery using the same A method for fabricating carbon electrode coated with a porous metal film includes the steps of: positioning a roll of carbon material within a vacuum chamber; winding the carbon material off the roll at a certain speed, winding the carbon material on a different ro... | 08/24/2004 |
| 6713424 | Method of making fluid diffusion layers and electrodes having reduced surface roughness The present methods make fluid diffusion layers having reduced surface roughness. The methods used for adhering the loading material to the substrate surface can reduce the average surface roughness of the fluid diffusion layers, thereby reducing leaks in and damage... | 03/30/2004 |
| 6537438 | Method for protecting electrodes during electrolysis cell start-up The present invention is directed to methods for applying a protective layer (42) to the cathode (40) of an electrolysis cell (10), where the cell also contains inert anodes (50) and the protective layer (42) can comprise a plurality of layers (70, 72, 74... | 03/25/2003 |
| 6475358 | Method for providing a protective coating for carbonaceous components of an electrolysis cell A method of treating a carbonaceous cell component of an electrolyte cell for the production of aluminum, to impart protection against deterioration during operation of the cell. A liquid suspension of a refractory material dispersed in a lignosulfonate b... | 11/05/2002 |
| 6455159 | Oxidation protection for carbon/carbon composites and graphites The invention provides for oxidatively resistant carbon/carbon composites and other graphite-like material, a method for the preparation of these materials, and their use in high temperature applications, preferably in brakes for airplanes. The carbon/car... | 09/24/2002 |
| 6455097 | Method and apparatus for applying a treating liquid to a porous body A method of applying a treating liquid to a porous body (11), in particular a pre-baked carbon component of an aluminium production cell, such as an anode block, a cathode block or a sidewall. In this method first the body (11) to be treated is inserted, ... | 09/24/2002 |
| 6455107 | Prevention of oxidation of carbonaceous and other materials at high temperatures A body of carbonaceous or other material for use in corrosive environments such as oxidising media or gaseous or liquid corrosive agents at elevated temperatures, in particular in molten salts such as cryolite, is coated with a protective surface coating ... | 09/24/2002 |
| 6391495 | Negative active material for lithium secondary battery, method of preparing the same and lithium secondary battery comprising the same A negative active material for a lithium secondary battery includes a crystalline graphite core and a carbon shell. The carbon shell includes at least one material selected from a transition metal, an alkali metal, an alkaline earth metal, an element of G... | 05/21/2002 |
| 6348240 | Methods for and products of modification and metallization of oxidizable surfaces, including diamond surfaces, by plasma oxidation The present invention concerns a process for modifying oxidizable surfaces, including diamond surfaces, including methods for metallizing these surfaces, where these methods include oxidation of these surfaces. The present invention also relates to the pr... | 02/19/2002 |
| 6261632 | Process for improving the adhesion of metal particles to a carbon substrate The present invention relates to a process for improving the adhesion of metal particles to a carbon substrate, characterized in that, before the said metal particles are deposited on the carbon substrate, the said substrate is treated in an alkaline medi... | 07/17/2001 |
| 6228424 | Method and apparatus for impregnation of porous bodies for protection against oxidation An open-pored body (11), in particular a carbon component of an aluminum production cell, which is to be exposed to oxidizing conditions or chemical attack at high temperatures is treated to protect the body against oxidation or corrosion at high temperat... | 05/08/2001 |
| 6224935 | Ordered arrays via metal-initiated self-assembly of ligand containing dendrimers and bridging ligands An ordered film is formed on a surface by reacting (a) dendrimer or bridging ligand functionalized for reaction with transition metal ions (e.g., terpyridyl-pendant poly-amido amine starburst dendrimers or 1,4-bis[4,4"-bis(1,1-dimethylethyl)-2,2':6'2" ter... | 05/01/2001 |
| 6194096 | Carbon bodies resistant to deterioration by oxidizing gases A carbon body, in particular a prebaked anode of an electrolytic cell for the production of aluminum by the electrolysis of alumina in a molten fluoride electrolyte, is treated over its surfaces to improve the resistance thereof to deterioration during op... | 02/27/2001 |
| 6025020 | Preparation of high energy capacity ruthenium oxide Amorphous, highly dispersed ruthenium oxide having a high energy storage capacity may be prepared using high surface area carbon as carbon powder or as carbon fibers as a template for the ruthenium oxide. The process avoids the disadvantages of a sol-gel ... | 02/15/2000 |
| 6001236 | Application of refractory borides to protect carbon-containing components of aluminium production cells Carbon-containing components of cells for the production of aluminium by the electrolysis of alumina dissolved in a cryolite-based molten electrolyte are protected from attack by liquid and/or gaseous components of the electrolyte in the form of elements,... | 12/14/1999 |
| 5985114 | Carbon bodies resistant to deterioration by oxidizing gases A carbon body, in particular a pre-baked anode of an electrolytic cell for the production of aluminium by the electrolysis of alumina in a molten fluoride electrolyte is treated over its surfaces to improve the resistance thereof to deterioration during o... | 11/16/1999 |
| 5968653 | Carbon-graphite/silicon carbide composite article A carbon-graphite/silicon carbide composite article is provided. The composite article includes a carbon-graphite body intimately bonded to a dense silicon carbide body by a transition/bonding region which links the two bodies. The transition/bonding regi... | 10/19/1999 |
| 5935496 | Salt pelletizing method A water soluble dicarboxylic acid or an alkali metal salt thereof acts as a mold release agent for salt pellets when a salt-contacting surface of a roll-type briquetting press is coated with from about 0.02 to about 5 mg/cm2 of a powder of the ... | 08/10/1999 |
| 5935392 | Electrodes for electrolytic removal of nitrates from water, methods of making same, and apparatus incorporating said electrodes A carbon fiber electrode is coated with a noble metal oxide to create a noble metal oxide electrode with a very large surface area. According to a presently preferred embodiment, the noble metal oxide is iridium oxide. A method of making the electrode inc... | 08/10/1999 |
