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Class 423/297 - Refractory metal containing (Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, or W)


Subclass of Class 423 - Chemistry of inorganic compounds
Definition: Products or processes wherein the other element is titanium,
No. of patents: 66
Last issue date: 03/27/2012


1    
NumberTitleIssue Date
8142749Readily-densified titanium diboride and process for making same
Additions of substitutional transition metal elements are made to improve the densifiability of titanium diboride while eliminating or minimizing the presence of deleterious grain boundary phases in the resultant bulk titanium diboride articles. ...
03/27/2012
7541013Method for manufacturing transition metal boride power
The present invention relates to a method for manufacturing a transition metal boride powder. The method for manufacturing a transition metal boride powder includes: i) manufacturing a mixed powder by mixing a transition metal halogenide powder and an alkali metal b...
06/02/2009
7273581Process for in-situ preparation of aluminia—(Ti,Zr) borides composite
The present invention relates to an improved process for in-situ preparation of alumina-(Ti,Zr) borides composite. The present invention particularly relates to fast and in-situ process for synthesis and consolidation of Al2O3—Zr/Ti B2
09/25/2007
7264849Roll-vortex plasma chemical vapor deposition method
A chemical vapor deposition method includes a step of maintaining a hydrogen plasma at low pressure in a processing chamber. The processing chamber has a long, wide, thin geometry to favor deposition of thin-film silicon on sheet substrates over the chamber walls. T...
09/04/2007
7177384Aluminum composite material, manufacturing method therefor, and basket and cask using the same
A basket has a lattice-like section for accommodating individual used nuclear fuel in predetermined positions in a cask. The basket is made from aluminum composite material having good neutron absorption ability, excellent mechanical property and workability. The al...
02/13/2007
7041150Preparation of alloys by the Armstrong method
A method and apparatus for making alloys or ceramics by the subsurface injection of an equilibrium vapor of a boiling liquid of the ceramic or alloys constituents is disclosed. Various powders and products are disclosed. ...
05/09/2006
7008695Metal non-oxide coated substrates
Layered metal non-oxide coated substrates are disclosed comprising a three dimensional inorganic substrate having a coating of metal non-oxide derived from a pre-associated coating on at least a portion of all three dimensions thereof, produced by a unique process h...
03/07/2006
6967011Method for synthesizing extremely high-temperature melting materials
The invention relates to a method of synthesizing high-temperature melting materials. More specifically the invention relates to a containerless method of synthesizing very high temperature melting materials such as borides, carbides and transition-metal, lanthanide...
11/22/2005
6908599Process for the production of zirconium boride powder
The present invention provides an improved process for the manufacture of zirconium boride by reacting boric acid, a Zirconium compound and magnesium and leaching the resulting product mixture to obtain zirconium boride with high purity. ...
06/21/2005
6861038Ceramics and method of producing ceramics
A method of continuously producing a non-oxide ceramic formed of a metal constituent and a non-metal constituent. A salt of the metal constituent and a compound of the non-metal constituent and a compound of the non-metal constituent are introduced into a liquid alk...
03/01/2005
6689296Conductive paste
A conductive paste for defogging heat wires of automobile windows contains a silver powder having particle size in the range of about 0.1 to 20 μm, a molybdenum compound such as molybdenum silicide or molybdenum boride, a glass frit having a softening po...
02/10/2004
6649040Wettable and erosion/oxidation-resistant carbon-composite materials
A thermal treatment system for thermally treating a sterile medium is controlled via a foot actuated switch to thermally treat the sterile medium to a desired temperature and/or form (e.g., slush). The thermal treatment system includes a basin recessed in...
11/18/2003
6589448Ceramic 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
6036930Process for producing aluminum oxide fibers
The present invention provides a process for producing aluminum oxide fibers and, particularly, a process for producing aluminum fibers that have a high aspect ratio and can be accurately aligned, said process for producing aluminum oxide fibers comprisin...
03/14/2000
5672556Crystalline silicate compositions and method of preparation
Crystalline silicate compositions having unique combinations of framework-confined uniform mesopores and textural mesopores and to a method for their preparation. The compositions typically possess a small particle size of ࣘ400 Å, a ratio of textural t...
09/30/1997
5587140Process for producing powders of transition metal boride
A process of producing a powder of a transition-metal boride includes producing metal boride particles in a molten metal by contacting a molten salt, to which at least one boron compound was added, with the molten metal containing a transition-metallic el...
12/24/1996
5571759CrB2 -NbB2 ceramics materials
Ceramic materials based on solid solutions of chromium diboride (CrB2) nd niobium diboride (NbB2)....
11/05/1996
5443771Ceramic fibre and process therefor
A process is described for producing ceramic fibres composed of titanium boride, zirconium boride or hafnium boride. The boride fibres are obtained by reacting a boron oxide precursor fibre with a titanium halide, zirconium halide or hafnium halide gas in...
08/22/1995
5376309Boride materials for electronic elements and method of preparing the same
Disclosed is a boride material for electronic elements, which is represented by a chemical formula of A1-x Ex B12 (where A is Zr of Hf, E is Sc or Y, and 0.1ࣘxࣘ0.9) and the crystal system of which is a cubic one at a t...
12/27/1994
5364607Borides and boride precursors deposited from solution
Zirconium and hafnium boride precursor complexes are prepared by deposition from solution, and yield metal borides upon heating at mild temperatures and ambient pressure....
11/15/1994
5338523Method of making transition metal carbide and boride powders
A process for the production of high purity, high surface area, submicron size transition metal carbides and borides which comprises mixing transition metal oxide with carbon in an amount sufficient to form the corresponding carbide or boride, heating the...
08/16/1994
5275781Material made from highly reactive [sub-micron]amorphous titanium diboride powder and products made therefrom
A material of manufacture comprising sub-micron particulate amorphous titanium diboride formed by a process which comprises the steps of forming a powdered reaction mixture of titanium oxide, boron oxide and magnesium, exothermically reacting the reaction...
01/04/1994
5256608High 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...
10/26/1993
5223460High 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...
06/29/1993
5215945High 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
5194234Method 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
5174975Method of preparing metal carbides, nitrides, borides and the like
A process is provided for the preparation of metals, metal carbides, nitrides, borides, silicides, sulfides and phosphides by low temperature pyrolysis of a selected organometallic precursor. The precursor, in addition to containing organic ligands, conta...
12/29/1992
5160698Process for producing metal borides using finely comminuted mixture of reactants
A mixture of reactants having a particle size of about 200 microns is heated to convert said mixture comprising a metal compound, carbon, and a boron source to a metal boride having an average particle size of about 0.05 to about 0.5 micron. Said metal co...
11/03/1992
5160716Process for making highly reactive sub-micron amorphous titanium diboride power and products made therefrom
A material of manufacture comprising sub-micron particulate amorphous titanium diboride formed by a process which comprises the steps of forming a powdered reaction mixture of titanium oxide, boron oxide and magnesium, exothermically reacting the reaction...
11/03/1992
5149514Low temperature method of forming materials using one or more metal reactants and a halogen-containing reactant to form one or more reactive intermediates
A low temperature process is described for forming a coating or powder comprising one or more metals or metal compounds by first reacting one or more metal reactants with a halide-containing reactant to form one or more reactive intermediates capable of r...
09/22/1992
5110565Apparatus 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
5087592Method of producing platelets of borides of refractory metals
A method of producing platelets of refractory metal borides and the platelets so-produced. The method involves reacting an oxide of a refractory metal or a precursor thereof and B2 O3 or a precursor thereof with carbon or a carbon pr...
02/11/1992
5032242Titanium 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
5017525Production of ceramic materials and of precursor therefor
A process for the production of a precursor which is a polymeric material comprising at least one metallic or non-metallic element, oxygen and carbon and from which a ceramic material, e.g. a carbide, nitride, boride, or silicide, may be produced by pyrol...
05/21/1991
4950626Production of ceramic materials
A process for the production of a refractory compound, e.g. a carbide or nitride, of a metallic or non-metallic element, by reacting a mixture of a compound of the metallic or non-metallic element having at least two groups reactive with hydroxyl groups a...
08/21/1990
4921531Process for forming fine ceramic powders
The present invention relates to a process for the production of fine powder materials and the products of that process. The process involves the in-situ precipitation of second phase particles, such as ceramic or intermetalics, within a metal matrix, fol...
05/01/1990
4888166Process for making highly reactive sub-micron amorphous titanium diboride powder
A method of producing submicron titanium diboride from an initial mixture of titanium oxide, boron oxide, and magnesium, by reducing the titanium dioxide and boron oxide with magnesium in an atmosphere including air to yield a resultant product containing...
12/19/1989
4861735Production of ceramic materials
A process for the production of a refractory boride or silicide which comprises producing an oxygen-containing polymeric product by reacting a compound of the metallic or non-metallic element having two or more groups reactive with hydroxyl groups and a c...
08/29/1989
4851262Method of making carbide, nitride and boride powders
A method of making metal carbide, nitride, or boride powders and mixtures thereof by direct reduction of metal compounds comprises (a) forming a reactant mixture, (b) heating the reactant mixture to temperatures that cause solid reactants to vaporize and ...
07/25/1989
4812425Purifying refractory metal borides
The invention relates to the production of desirably purified refractory metal borides. The method can be used to purify even commercially available material. Careful attention is directed to the oxygen impurity level of the refractory metal boride and su...
03/14/1989
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