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| Number | Title | Issue Date |
| 7244373 | Composite and method of manufacturing the same To provide a composite excellent in mechanical strength or in electric conductivity and obtained by combining a carbon nanotube structure and ceramics, and a method of manufacturing the same. The composite is composed of the carbon nanotube structure and the ceramic... | 07/17/2007 |
| 7235506 | Silicon carbide matrix composite material, process for producing the same and process for producing part of silicon carbide matrix composite material Silicon carbide matrix composite material (1) comprises silicon carbide matrix (2) as a host. The silicon carbide matrix (2) comprises first silicon carbide phase (3) of 0.1 to 10 μm average crystal grain diameter and second silicon carb... | 06/26/2007 |
| 7226561 | Method of producing silicon carbide sintered body jig A method of producing a silicon carbide sintered body jig using a reaction sintering method, comprising: (a)dispersing a silicon carbide powder and an organic substance as a carbon source in a solvent, to produce a mixed slurry pow... | 06/05/2007 |
| 7135047 | M-phenylenediamine derivatives as coupler components for the coloring of keratinic fibers Agents for coloring keratinic fibers are provided which contain specific m-phenylenediamine derivatives such as N-2-(morpholine-4-yl)ethyl-m-phenylenediamine, N-3-(morpholine-4-yl)propyl-m-phenylenediamine, and N-3-(imidazole-1-yl)-propyl-m-phenylenediamine. ... | 11/14/2006 |
| 7112549 | Low thermal expansion ceramic and member for exposure system A low-thermal-expansion, rigid and wear-resistant ceramic is provided. The low-thermal-expansion ceramic of the invention includes 60 vol % to 99.9 vol % of at least one selected from the group consisting of cordierite, spodumene and eucryptite and 0.1 vol % to 40 v... | 09/26/2006 |
| 7029643 | Silicon carbide powder and method for producing the same A method of producing a silicon carbide powder comprising sintering a mixture containing at least a silicon source and a carbon source wherein the carbon source is a xylene-based resin. Preferable are an embodiment in which the above-mentioned silicon source is an a... | 04/18/2006 |
| 7025905 | Black composite particles for semiconductor sealing material, and semiconductor sealing material using the same Black composite particles for a semiconductor sealing material of the present invention, comprises: an extender pigment as a core particle; and a black pigment formed on surface of the extender pigment in an amount... | 04/11/2006 |
| 7018568 | Highly catalytic screen-printing ink The invention is directed to conductive polymer compositions, catalytic ink compositions (e.g., for use in screen-printing), electrodes produced by deposition of an ink composition, methods of making, and methods of using thereof. An exemplary ink material comprises... | 03/28/2006 |
| 7011771 | Method of making carbon nanotubes on a substrate The present invention includes carbon nanotubes whose hollow cores are 100% filled with conductive filler. The carbon nanotubes are in uniform arrays on a conductive substrate and are well-aligned and can be densely packed. The uniformity of the carbon nanotube arra... | 03/14/2006 |
| 6978469 | Disc protector An optical media disc protector comprising a transparent plastic disc formed in a substantially circular configuration with a center-hole, and a temporary adhesive applied to one side of said plastic disc for removable bonding with a media disc. The laser of a conve... | 12/20/2005 |
| 6916434 | Iron-carbon composite, carbonaceous material comprising said iron-carbon composite and process for preparing the same Disclosed are an iron-carbon composite in which 10 to 90% of the internal space of a nanoflake carbon tube or a nested multi-walled carbon nanotube is filled with iron carbide or iron; a carbonaceous material containing such iron-carbon composites; and a process for... | 07/12/2005 |
| 6835330 | Iron-carbon composite, carbonaceous material comprising said iron-carbon composite and process for preparing the same Disclosed are an iron-carbon composite in which 10 to 90% of the internal space of a nanoflake carbon tube or a nested multi-walled carbon nanotube is filled with iron carbide or iron; a carbonaceous material containing such iron-carbon composites; and a process for... | 12/28/2004 |
| 6730892 | Resistive heating element and production method A resistive heating element having high generation efficiency for far infrared rays and a comparatively high specific resistance while maintaining the strength required as a resistive heating element, is obtained by shaping a mixture of graphite powder, boron nitrid... | 05/04/2004 |
| 6695984 | Silicon carbide sinter and process for producing the same The present invention provides: a fabrication method of a silicon carbide sintered body, including a step of fabricating a mixed powder slurry by dissolving or dispersing silicon carbide powder, at least one organic material composed of a nitrogen source,... | 02/24/2004 |
| 6589448 | Ceramic ball for bearing and ceramic ball bearing using the same A ceramic bearing ball in which at least a portion of a constituent ceramic is formed of an electrically conductive inorganic compound phase, whereby a proper electrical conductivity is imparted to the ceramic. Thus, electrifying of a bearing ball is prev... | 07/08/2003 |
| 6497829 | Method of producing silicon carbide: heating and lighting elements A method of producing silicon carbide (SiC) heating and lighting elements, by mixing a quantity of finely-divided particles of carbon in a binder; shaping the mixture; applying finely-divided particles of elemental silicon over the shaped mixture; and hea... | 12/24/2002 |
| 6426586 | Contact glass composition for use in spark plugs A contact glass composition for use in resistor-type spark plugs is described. The contact glass composition is a mixture of: (a) at least one metal; (b) graphite; and (c) silicon. Additionally, borosilicate glass, barium borate glass, magnesium aluminum ... | 07/30/2002 |
| 6395082 | Coating material for inner surface of cathode-ray tube In a coating material for the inner surface of a cathode-ray tube comprising an aqueous dispersion medium containing silicates of lithium and potassium and a dispersing agent, and a graphite particles and, if necessary, particles of the other specific met... | 05/28/2002 |
| 6328913 | Composite monolithic elements and methods for making such elements A composite monolithic element for use as a hot surface ignitor or the like includes first and second regions or layers. The first region or layer comprises a low pressure ejection molded mixture of silicon carbide and silicon nitride particles or other c... | 12/11/2001 |
| 6187256 | Method of producing a conductive silicon carbide-based sintered compact A process is described for producing a conductive sintered body based on silicon carbide, in which a) silicon carbide particles, optionally pretreated with a surface modifier, are dispersed in an aqueous and/or organic medium and positive or negative surf... | 02/13/2001 |
| 6114433 | PTC conductive polymer composition A novel PTC conductive polymer composition is disclosed, which comprises (a) 35 to 60%, by weight of the composition, of a branched polyolefin with a polydispersity index of less than 2.5; and (b) 20 to 45%, by weight of the composition, of conductive par... | 09/05/2000 |
| 6024896 | Contacts material The contacts material of the present invention is contacts material including silver-tungsten carbide alloy containing 55-70 weight % of tungsten carbide (WC) of mean particle size 0.1-6 μm wherein is included 0.005-0.2 weight % of carbon in an undissolv... | 02/15/2000 |
| 5700467 | Amorphous silicon carbide film and photovoltaic device using the same In the present invention, the optical band gap Eg (eV) of an amorphous silicon carbide film has the following relationship with the content of hydrogen CH (at. %) and the content of carbon CC (at. %) in the film: Eg=a+bCH ... | 12/23/1997 |
| 5693259 | Coating compositions for glass surfaces or cathode ray tubes A cathode ray tube is coated on the inner surface with a conductive coating composition using acidic plumous alumina sol, acidic chaining silica sol, and graphite powder as raw materials; and, novel cathode ray tubes of which the inner surface is coated i... | 12/02/1997 |
| 5667729 | Coating material for inner coat of cathode-ray tube Disclosed is a coating material for forming an electrically conductive inner coat. The coating material contains graphite particles, filler particles, an aqueous medium a dispersant and water-glass. The filler particle has a core and a membrane which cove... | 09/16/1997 |
| 5643721 | Bioreagent immobilization medium The present invention provides an immobilization medium which can immobilize bioreagents to support materials and which dries to a water resistant layer or film. The immobilization medium comprises (i) a liquid or fluid binding reagent and (ii) complexes ... | 07/01/1997 |
| 5603867 | Method of production for active carbon electrode for use as electrical double layer condenser and active carbon electrode obtained thereby It is the objective of the present invention to provide an active carbon electrode which is of sufficient mechanical strength to be formed into a large plate, may be suitably used as an electrical double layer condenser capable of a large current discharg... | 02/18/1997 |
| 5582769 | Composition for providing high temperature conductive-resistant coating The temperature adjustable coating and medium and method for providing an electrically-resistant temperature-adjustable article and structure. The coating provides a continuous electrically-conductive electrically-resistive path for the application of ele... | 12/10/1996 |
| 5575953 | Coating compositions for the inner wall of cathode-ray tube In a coating composition for the inner wall of a cathode-ray tube comprising an aqueous dispersion medium containing potassium silicate, a dispersing agent and graphite particles or a combination of graphite particles and metal oxide particles or metal ca... | 11/19/1996 |
| 5476714 | Electrical overstress pulse protection An electrical overstress protection composite of electrical conductor/semiconductor particles including particles in the 100 to 10 micron range, micron range, and submicron range, distributed in a densely packed homogeneous manner, a minimum proportion of... | 12/19/1995 |
| 5470680 | Electrochemical fullerene system An electrochemical cell comprising a body of proton donor electrolyte in effective contact with first and second electrodes one of which consists essentially of a fullerene in contact with a conductive material. By the application of an electric current a... | 11/28/1995 |
| 5397450 | Carbon-based bodies in particular for use in aluminium production cells A carbon containing material for use in particular as an anode of electrolytic cells for the production of aluminum by the electrolysis of alumina in a cryolite-based electrolyte, consists substantially of a mixture of one or more particulate carbonaceous... | 03/14/1995 |
| 5334438 | Composite material with a refractory fibrous reinforcement and its production process This composite material with a fibrous reinforcement has refractory fibres (2) embedded in a nonmetallic matrix (4) and an interphase material (6) interposed between the fibres and the matrix, the interphase material being boron carbonitride with a lamell... | 08/02/1994 |
| 5259991 | Method for the preparation of a positively temperature-dependent organic resistor An improved positively temperature-dependent organic resistor, which is basically a composite consisting of a matrix phase of a synthetic resin and a dispersed phase of electroconductive particles, can be prepared by compounding a crystalline synthetic re... | 11/09/1993 |
| 5217583 | Composite electrode for electrochemical processing and method for using the same in an electrolytic process for producing metallic aluminum A dimensionally stable combustion synthesis product of a composition containing at least 20% by weight of a particulate combustible material; at least 15% by weight of a particulate filler material capable of providing desired mechanical and electrical pr... | 06/08/1993 |
| 5194330 | Method of providing anti-oxidation protection for a composite material containing carbon, and a material protected thereby A composite material containing carbon is protected against oxidation by forming, on the composite material, an inner layer, an intermediate layer containing boron or a boron compound, and an outer layer of silicon carbide. The inner layer formed on the c... | 03/16/1993 |
| 5169718 | Sliding member Disclosed is a sliding member having a predetermined shape and including: a sintered body obtained by sintering a composite body including: preliminary carbonized carbonaceous fiber; inorganic powder or inorganic fiber; and self-sintering carbonaceous pow... | 12/08/1992 |
| 5106538 | Conductive polymer composition A composition which comprises a matrix polymer and, distributed therein, a particulate conductive filler. At least some of the filler particles are composed of a conductive polymer composition and/or the matrix comprises a sintered polymer. The matrix pol... | 04/21/1992 |
| 5098609 | Stable high solids, high thermal conductivity pastes A paste including a thermally conducting solid filler, a nonaqueous liquid carrier and a stabilizing dispersant. The pastes are highly concentrated, of low viscosity, electrically resistive, highly thermally conducting and stable. The pastes are easily ap... | 03/24/1992 |
| 5082597 | Sintered silicon carbide composite Disclosed herein is a sintered silicon carbide composite prepared by sintering a blend comprising from 25 to 85% by weight of silicon carbide, from 1 to 25% by weight of at least one of chromium and chromium compound, from 10 to 70% by weight of at least ... | 01/21/1992 |
