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A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.

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Class 420/425 - NIOBIUM BASE


Subclass of Class 420 - Alloys or metallic compositions
Definition: Alloy, or metallic composition containing over 50 percent of niobium.
No. of patents: 67
Last issue date: 04/01/2008


1    
NumberTitleIssue Date
7351271Method of manufacturing niobium and/or tantalum powder
A method of manufacturing niobium and/or tantalum powder consisting of: a first-stage reduction process of reducing niobium and/or tantalum oxides with alkali metals and/or alkaline-earth metals to obtain low-grade oxide powder represented by (NbTa) Ox, where x=0.06...
04/01/2008
7332123Method for manufacturing composite articles and the articles obtained therefrom
A method of molding an article comprises inserting a mandrel into the cavity of the mold; placing a niobium based refractory metal intermetallic composite powder into a cavity of a mold; consolidating the niobium based refractory metal intermetallic composite around...
02/19/2008
7214362Purification method for producing high purity niobium compound and/or tantalum compound
An object of the present invention is to provide a method for purifying a highly pure niobium compound and/or tantalum compound, the method enabling the purification of a highly pure niobium compound and tantalum compound in a simplified manner at a low cost. The ob...
05/08/2007
7175823Purification method for producing high purity niobium compound and/or tantalum compound
The present invention provides a method enabling the high purification of a niobium compound and/or tantalum compound in a simplified manner at a low cost. This is accomplished by providing a method enabling the high purification of a niobium compound and/or tantalu...
02/13/2007
7049679Capacitor and production method therefor
A solid electrolytic capacitor is obtained in which a sintered metal serves as an anode and a silver layer serves as a cathode. A surface of sintered metal made of tantalum or the like and having an open porosity ratio of more than 75% is oxidized so that an oxide f...
05/23/2006
6863750High purity niobium and products containing the same, and methods of making the same
High purity niobium metals and alloys containing the same are described. The niobium metal preferably has a purity of at least 99.99% and more preferably at least 99.999%. In addition, niobium metal and alloys thereof are described, which either have a grain size of...
03/08/2005
6849137Nb3Sn-system superconductive wire
An Nb3Sn-based superconductive wire which, when used in a superconductive magnet, manifests sufficient strength also against force along the radius direction in operating the magnet and reveals little deterioration in properties due to mechanical strain a...
02/01/2005
6767653Coatings, method of manufacture, and the articles derived therefrom
A turbine component comprises a substrate; and a crystalline coating disposed on a surface of the substrate, wherein the crystalline coating comprises tin and yttrium in an amount greater than or equal to about 0.05 atomic percent based upon the total coating. A met...
07/27/2004
6765786Niobium powder and solid electrolytic capacitor using the same
A niobium powder is provided for producing a niobium capacitor enhanced in the thermal stability of oxide films on niobium, with less leak current and less deterioration of leak current after application of thermal loads. The niobium powder contains form 0.005 to 0....
07/20/2004
6699821Nb3Al superconductor and method of manufacture
A Nb3 Al superconducting wire and method for fabricating the same wherein Nb and Al powders in combination, or Nb--Al alloy powders are encapsulated in a metal tube, preferably copper or copper-alloy (e.g., CuNi), and the resultant composite is...
03/02/2004
6671164Niobium powder, sintered body using the powder, and capacitor using the same
An object of the present invention is to provide a niobium powder for producing a capacitor exhibiting excellent reliability; a sintered body formed from the powder; and a capacitor including the sintered body. Even when niobium exhibiting high affinity t...
12/30/2003
6444008Paint and coating compositions containing tantalum and/or niobium powders
A coating formulation is described in which includes a solvent, a binder, and a metal additive comprising tantalum, niobium, alloys thereof, or mixtures thereof. Also described is a cellulose-based substrate which contains a cellulose-based reinforcing ag...
09/03/2002
6440278Target and process for its production, and method for forming a film having a high refractive index
A sputtering target comprising a substrate and a target material formed on the substrate, wherein the target material comprises a metal oxide of the chemical formula MOx as the main component, wherein MOx is a metal oxide which is de...
08/27/2002
6428910Nb-based silicide composite compositions
A refractory metal intermetallic composition comprising titanium (Ti), hafnium (Hf), silicon (Si), aluminum (Al), chromium (Cr), germanium (Ge), tin (Sn), iron (Fe), and a balance of niobium (Nb) for use in composite structures having applications in turb...
08/06/2002
6409848Creep resistant Nb-silicide based multiphase composites
A niobium-based silicide composite exhibiting creep resistance at temperatures equal to or greater than 1150° C. The niobium-based silicide composite comprises at least silicon (Si), hafnium (Hf), titanium (Ti), and niobium (Nb). A concentration ratio of...
06/25/2002
6193856Target and process for its production, and method for forming a film having a highly refractive index
A sputtering target comprising a substrate and a target material formed on the substrate, wherein the target material comprises a metal oxide of the chemical formula MOx as the main component, wherein MOx is a metal oxide which is de...
02/27/2001
6165623Niobium powders and niobium electrolytic capacitors
A flaked niobium powder is disclosed as well as electrolytic capacitors formed from the flaked niobium powders. Niobium powders having a BET surface area of at least about 0.50 m2 /g are also disclosed and capacitors made therefrom, as well as ...
12/26/2000
6010584High temperature shape memory effect in ruthenium alloys
The shape memory effect is displayed by near-equiatomic ruthenium alloys of Ta or Nb with compositions of Tax Ru1-x where x can be as low as 0.38 and preferably x=0.44 to 0.63 and Nbx Ru1-x where x can be as low...
01/04/2000
5721061Oxidation-resistant coating for niobium-base alloys
Si-Fe-Cr base coating alloys that significantly promote the oxidation resistance of niobium-base alloys and intermetallic materials when deposited and reaction bonded to the niobium-base material. The coating alloys are deposited and then reaction bonded ...
02/24/1998
5718777Amorphous alloys resistant to hot corrosion
An amorphous alloy which is resistant to hot corrosion in sulfidizing and oxidizing atmospheres at high temperatures, consisting of at least one element selected from the group of Al and Cr and at least one element selected from the refractory metals Mo, ...
02/17/1998
5580431Composite wire microelectrode and method of making same
A composite wire microelectrode for making electro-chemical measurements, and method of making same. The microelectrode includes an inner conductive sensing wire and an outer tube that is oxidized to form a dielectric, self-healing oxide layer around the ...
12/03/1996
5522945Method for forming triniobium tin superconductor with bismuth
A method for making triniobium tin superconductor with improved critical current density is disclosed where an annealed niobium-base substrate is passed through a tin alloy bath containing tin, copper, and bismuth, to coat the substrate with tin and then ...
06/04/1996
5482577Amorphous alloys resistant against hot corrosion
An amorphous alloy which is resistant to hot corrosion in sulfidizing and oxidizing atmospheres at high temperatures, consisting of at least one element selected from the group of Al and Cr and at least one element selected from refractory metals of Mo. W...
01/09/1996
5460663High corrosion resistant amorphous alloys
Amorphous alloys having an extremely high corrosion resistance comprise Cr and at least one element selected from Ta and Nb, as essential components, and are spontaneously passive owing to the formation of stable protective films, even in very corrosive e...
10/24/1995
5423680Palladium, gallium and copper-free alloy having high thermal expansion coefficient
A dental alloy is provided which is free of palladium, gallium and copper and which is compatible with a wide variety of composites and porcelain compositions. The alloy has a melting range of between about 870° C. and 1230° C. and a coefficient of ther...
06/13/1995
5411611Consumable electrode method for forming micro-alloyed products
A method for forming a wrought product from a starting metal such as tantalum, niobium, and alloys thereof. A consumable electrode is coated with at least a first alloy layer by means which provide for uniform thickness. Sufficient power is applied to the...
05/02/1995
5380375Amorphous alloys resistant against hot corrosion
An amorphous alloy which is resistant to hot corrosion in sulfidizing and oxidizing atmospheres at high temperatures, consisting of Cr and at least one element selected from refractory metals of Nb and Ta, a portion of the set forth refractory metals bein...
01/10/1995
5368813Oxidation and sulfidation resistant chromium-niobium alloy
Oxidation and sulfidation resistant alloys and mixtures including chromium and niobium as well as oxidation and sulfidation resistant articles including chromium and niobium present as either an alloy or a mixture are provided. A method for preparing an o...
11/29/1994
5284531Cylindrical metal fibers made from tantalum, columbium, and alloys thereof
A method of making a tantalum capacitor of improved specific capacitance (and volumetric efficiency) is described. Short tantalum fibers are precipitated out of a carrier liquid to form a felt, or tumbled to form fiber containing particles, and in either ...
02/08/1994
5171379Tantalum base alloys
A wrought metal alloy product having a tantalum or niobium base metal, 10 to 1000 ppm silicon, and 10 to 10000 ppm yttrium nitride. Fine uniform grain size contributes to improved ductility....
12/15/1992
5049355Process for producing an ODS sintered alloy
Process for producing a ductile, high strength, oxide dispersion hardened sintered alloy based on a metal having a high melting point. In the past, oxide dispersion has played only a minor role in comparison with other known processes for increasing stren...
09/17/1991
5030300Amorphous aluminum alloys
An amorphous aluminum-refractory metal alloy with special characteristics such as high corrosion resistance, high wear resistance and considerable toughness, consisting of Al and at least one element selected from refractory metals of Ta, Nb, Mo and W, a ...
07/09/1991
5028390Niobium-based superalloy compositions
A superalloy composition comprising niobium, an element selected from the group consisting of rhenium and technetium, and, optionally, an element selected from the lanthanide and actinide series, scandium, yttrium and lanthanum....
07/02/1991
5026522Nb-Ti-Hf high temperature alloys
An alloy is provided which has good operating strength and ductility at temperatures of 2000° to 2500° F. and density of between 7.0 and 7.3. The alloy contains niobium titanium and hafnium in concentrations as set forth below: _______________...
06/25/1991
5006307Hafnium containing niobium, titanium, aluminum high temperature alloy
An alloy having high strength at high temperature is provided. The alloy has the following approximate composition in atom percent: ______________________________________ niobium balance titanium 40-48% alumin...
04/09/1991
5000913Hafnium containing high temperature Nb-Al alloy
An alloy is provided having exceptional strength at very high temperatures of 1200° C. and higher. The alloy contains niobium, hafnium, and aluminum in the following atomic percentage ratios: ______________________________________ C...
03/19/1991
4990308Chromium containing high temperature Nb--Ti--Al alloy
An alloy having a niobium titanium base and aluminum and chromium additives is provided. The alloy has superior strength and ductility at high temperatures. The composition is as follows: ______________________________________ Conce...
02/05/1991
4983358Niobium-aluminum base alloys having improved, high temperature oxidation resistance
A niobium-aluminum base alloy having improved oxidation resistance at high temperatures and consisting essentially of 48%-52% niobium, 36%-42% aluminum, 4%-10% chromium, 0%-2%, more preferably 1%-2%, silicon and/or tungsten with tungsten being preferred, ...
01/08/1991
4954169Fine-grained, high-purity earth acid metal powders, a process for their production and their use
Earth acid metal powders, such as tantalum or niobium, useful in the production of electrolytic capacitors and other electronic components, are agglomerates of sintered compacts, wherein the mean grain size of the agglomerates is no more than 2.0 μm, det...
09/04/1990
4880482Highly corrosion-resistant amorphous alloy
A highly corrosion-resistant amorphous Cu alloys with at least one element selected from the group of Ta and Nb and other Cu-Ta alloys with at least one element selected from the group of Nb, Ti and Zr, wherein the total content of alloying elements other...
11/14/1989
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