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| Number | Title | Issue Date |
| 8182778 | Boron carbide and method for making same The invention relates to boron carbide and to a method for making the same, as well as to a super-abrasive material and a machine device including said boron carbide. The boron carbide of the invention has the following formula BC5 and has a diamond-type cubic struc... | 05/22/2012 |
| 8110165 | Process for manufacturing high density boron carbide A process for manufacturing high density boron carbide by pressureless sintering, enabling to create sintered products of complex shapes and high strength. The process comprises mixing raw boron carbide powder with carbon precursor, such as a polysaccharide, compact... | 02/07/2012 |
| 7862790 | Carbide nanofibrils and method of making same A plurality of carbide, such as silicon carbide, tungsten carbide, etc., nanofibrils predominantly having diameters substantially less than about 100 nm and a method for making such carbide nanofibrils. The method includes the steps of: heating a plurality of carbon... | 01/04/2011 |
| 7776303 | Production of ultrafine metal carbide particles utilizing polymeric feed materials The production of ultrafine metal carbide powders from polymeric powder and metallic precursor powder starting materials is disclosed. In certain embodiments, the polymeric powder may comprise polypropylene, polyethylene, polystyrene, polyester, polybutylene, nylon,... | 08/17/2010 |
| 7635458 | Production of ultrafine boron carbide particles utilizing liquid feed materials The production of ultrafine boron carbide powders from liquid boron-containing precursors and/or liquid carbon-containing precursors is disclosed. The liquid precursors are fed together or separately to a plasma system where the precursor materials react to form bor... | 12/22/2009 |
| 7556788 | Process for preparing boron carbon nanorods Disclosed is a process to prepare boron carbide nanorods wherein boron oxide is heated in the presence of nickel/boron supported on carbon. ... | 07/07/2009 |
| 7438880 | Production of high purity ultrafine metal carbide particles The production of ultrafine metal carbide powders from solid metal carbide and nitrogen-containing material is disclosed. The starting materials are fed together or separately to a plasma system where the solid metal carbide is melted and/or vaporized in the presenc... | 10/21/2008 |
| 7332695 | Carbon heating element and method of producing same A carbon heating element having an arbitrary specific resistance and an arbitrary shape which are arbitrary necessary as a heating element, and a method of producing the same. The carbon heating element is obtained by uniformly dispersing one or at least two metal o... | 02/19/2008 |
| 7211345 | Membrane electrode assemblies for use in fuel cells Electrocatalyst powders and methods for producing electrocatalyst powders, such as carbon composite electrocatalyst powders. The powders have a well-controlled microstructure and morphology. The method includes forming the particles from an aerosol of precursors by ... | 05/01/2007 |
| 7147533 | Method of producing electron emitting device using carbon fiber, electron source and image forming apparatus, and ink for producing carbon fiber The present invention provides a method of producing an electron emitting device using a carbon fiber using a catalyst, capable of preferably growing carbon fibers at a low temperature without the need of a high temperature process for growing the carbon fibers or a... | 12/12/2006 |
| 7138354 | Method for the fabrication of an electrocatalyst layer Electrocatalyst powders and methods for producing electrocatalyst powders, such as carbon composite electrocatalyst powders. The powders have a well-controlled microstructure and morphology. The method includes forming the particles from an aerosol of precursors by ... | 11/21/2006 |
| 7128852 | Aerosol method and apparatus, particulate products, and electronic devices made therefrom Provided is an aerosol method, and accompanying apparatus, for preparing powdered products of a variety of materials involving the use of an ultrasonic aerosol generator (106) including a plurality of ultrasonic transducers (120) underlying and ultraso... | 10/31/2006 |
| 7087341 | Metal-air battery components and methods for making same Energy devices such as batteries and methods for fabricating the energy devices. The devices are small, thin and lightweight, yet provide sufficient power for many handheld electronics. ... | 08/08/2006 |
| 7066976 | Method for the production of electrocatalyst powders Electrocatalyst powders and methods for producing electrocatalyst powders, such as carbon composite electrocatalyst powders. The powders have a well-controlled microstructure and morphology. The method includes forming the particles from an aerosol of precursors by ... | 06/27/2006 |
| 6967183 | Electrocatalyst powders, methods for producing powders and devices fabricated from same Electrocatalyst powders and methods for producing electrocatalyst powders, such as carbon composite electrocatalyst powders. The powders have a well-controlled microstructure and morphology. The method includes forming the particles from an aerosol of precursors by ... | 11/22/2005 |
| 6953539 | Composite material A composite material includes an SiC porous ceramic sintered body, which is formed by preliminarily sintering a porous body, having a coefficient of thermal expansion lower than the coefficient of thermal expansion of copper to construct a network therein. A copper ... | 10/11/2005 |
| 6911412 | Composite particles for electrocatalytic applications Electrocatalyst powders and methods for producing electrocatalyst powders, such as carbon composite electrocatalyst powders. The powders have a well-controlled microstructure and morphology. The method includes forming the particles from an aerosol of precursors by ... | 06/28/2005 |
| 6855301 | Synthesis method for producing carbon clusters and structured carbon clusters produced thereby The present invention includes carbon synthesis devices and systems. The invention also includes machines and instruments using those aspects of the invention. The present invention also includes methods of carbon synthesis. The present invention includes an array o... | 02/15/2005 |
| 6699450 | Carbide material by electromagnetic processing A method for the manufacture of a structure from a carbide of a group IIa, group IIIa, group IVa, group IVb, group Vb, group VIb, group VIIb or group VIIIb carbon reactive element including the steps of: mixing the element with the carbon; and heating the... | 03/02/2004 |
| 6478994 | Method for making boron carbide containing ceramics A method for making a boron carbide containing ceramic involves pyrolyzing a precursor having one or more monosubstituted decaboranyl groups and at least one substituting group containing carbon. The precursor may be molecular, for example comprising two ... | 11/12/2002 |
| 6395245 | Method for preparing carbon-containing composition A method for preparing a carbon-containing composition is disclosed which comprises the steps of introducing, into a hot gas, a dispersion obtained by dispersing, in a decomposable carbon compound, a metal oxide and/or a metal compound which can be conver... | 05/28/2002 |
| 6235675 | Methods of forming materials containing carbon and boron, methods of forming catalysts, filaments comprising boron and carbon, and catalysts In one aspect, the invention includes a method of forming a material containing carbon and boron, comprising: a) providing a substrate within a chemical vapor deposition chamber; b) flowing a carbon and boron precursor into the chamber, the precursor bein... | 05/22/2001 |
| 6231980 | BX CY NZ nanotubes and nanoparticles The invention provides crystalline nanoscale particles and tubes made from a variety of stoichiometries of Bx Cy Nz where x, y, and z indicate a relative amount of each element compared to the others and where no more than... | 05/15/2001 |
| 5654094 | Metal carbide fibers This invention relates to a process for forming metal or non-metal carbide fiber from the corresponding metal or non-metal containing material such as a silicon sol or mixtures thereof and silicon, silicon carbide or silicon oxide, or mixtures of silicon ... | 08/05/1997 |
| 5460759 | Method of obtaining porous solids based on refractory carbide The disclosure teaches a method for obtaining porous solids of refractory carbide with a large specific surface area. An exclusively organic, polymeric and/or copolymerizable compound, for example a resin, which can be coked and to provide a solid carbon ... | 10/24/1995 |
| 5404836 | Method and apparatus for continuous controlled production of single crystal whiskers Described herein is a method and apparatus for continuously growing single crystal whiskers of silicon carbide, silicon nitride, boron carbide and boron nitride by the VLS process under controlled reaction conditions. A growth substrate such as a plate of... | 04/11/1995 |
| 5348718 | Method and apparatus for producing carbride products A method and apparatus are provided for producing a product comprising a carbide compound, such as for example silicon carbide. A reactor is provided which has a chamber defined therein which is divided into a combustion zone and a reaction zone. A combus... | 09/20/1994 |
| 5256394 | Radiological imaging method, and contrast media reagents therefor A method of imaging a corporeal situs by radiological techniques, comprising delivery to the corporeal situs of an imagingly effectively amount of a physiologically acceptable composition comprising a boron reagent. A variety of illustrative boron reagent... | 10/26/1993 |
| 5215945 | High hardness, wear resistant materials A powdered admixture of a boron, carbon, nitrogen or silicon derivative of a first metal is combined with a source of a second metal and, optionally, a source of a third metal or an iron-group metal, subjected to densification conditions (heat and pressur... | 06/01/1993 |
| 5204071 | Method and apparatus for producing carbide products An apparatus is provided for producing a product comprising a carbide compound, such as for example silicon carbide. A reactor is provided which has a chamber defined therein which is divided into a combustion zone and a reaction zone. A combustible mixtu... | 04/20/1993 |
| 5194234 | Method for producing uniform, fine boron-containing ceramic powders Uniform, fine ceramic powder is prepared using an apparatus comprising (a) a cooled reactant transport member; (b) a reactor chamber; (c) a heating means; and (d) a cooling chamber. The reactant transport member comprises a wall defining a conduit that co... | 03/16/1993 |
| 5116679 | Process for producing fibres composed of or coated with carbides or nitrides A process for producing fibres composed of or coated with carbides or nitrides. The process involves forming a first reaction zone containing microfine particles of an oxide (or oxide precursor) of silicon or a suitable metal (e.g. boron) uniformly mixed ... | 05/26/1992 |
| 5110565 | Apparatus for producing uniform, fine ceramic powder Uniform, fine ceramic powder is prepared using an apparatus comprising (a) a cooled reactant transport member; (b) a reactor chamber; (c) a heating element; and (d) a cooling chamber. The reactant transport member comprises a wall defining a conduit that ... | 05/05/1992 |
| 5032242 | Titanium diboride/boron carbide composites with high hardness and toughness A powder composition consisting essentially of an intimate mixture of boron carbide and titanium diboride, the mixture having an average particle size of less than about 0.5 micron, the particles being uniformly dispersed such that elemental analytical te... | 07/16/1991 |
| 5021371 | Low carbon/high purity boron nitride Highly pure boron nitride ceramic material, devoid of silicon values and having low carbon content, is prepared by pyrolyzing, under an atmosphere of ammonia, the product of the reaction between (i) at least one B-trihalogeno-borazole having the formula: ... | 06/04/1991 |
| 4948762 | Process for the preparation of finely divided carbides and nitrides from ceramic precursor-compounds Carbides, nitrides or carbonitrides of elements from the main groups III and IV and sub-groups III, IV, V and VI of the periodic system of elements are prepared by (i) reacting compounds of the formula MXm or Rn MXm-n with a ... | 08/14/1990 |
| 4948573 | Process for producing silicon carbide and metal carbides A process for forming carbides of silicon or metals in fine powder or whisker form. The process comprises forming a substantially uniform and non-agglomerated dispersion of a microfine powder of an oxide of silicon or a carbide-forming metal within a matr... | 08/14/1990 |
| 4946713 | Poly(alkenylpentaborane) ceramic precursors Novel poly(alkenylpentaboranes) such as poly-2-vinylpentaborane are useful as precursors to BN or B4 C ceramics. The non-crosslinked poly(alkenylpentaboranes), which are soluble in common inert organic solvents, are prepared heat treatment of c... | 08/07/1990 |
| 4891339 | Process and apparatus for the flame preparation of ceramic powders There is disclosed a novel process and apparatus for continuously producing very fine, ultrapure ceramic powders from ceramic precursor reactants in a self-sustaining reaction system in the form of a stabilized flame thereof to form ceramic particles and ... | 01/02/1990 |
| 4857490 | Process of manufacturing boron ceramics from carboralated diacetylene polymers Boron-containing ceramics are formed from organoboron precermaic polymers which are carboralated acetylenic poolymers. The polymers can be formed by carboralating acetylenic or diacetylenic diols and condensing the diols to form carboralated polyesters. I... | 08/15/1989 |
