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Class Information
Number: 420/425
Name: Alloys or metallic compositions > Niobium base
Description: Alloy, or metallic composition containing over 50 percent of niobium.

Sub-classes under this class:

Class Number Class Name Patents
420/426 Titanium, zirconium, or hafnium containing 58

Patents under this class:
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Patent Number Title Of Patent Date Issued
8349248 Metallic material and methods of making and using same Jan. 8, 2013
8262813 Oxygen-enriched niobium wire Sep. 11, 2012
8231744 Tantalum and niobium billets and methods of producing the same Jul. 31, 2012
7682473 Ti, Al and Nb alloys Mar. 23, 2010
7597842 Hydrogen permeable alloy Oct. 6, 2009
7351271 Method of manufacturing niobium and/or tantalum powder Apr. 1, 2008
7332123 Method for manufacturing composite articles and the articles obtained therefrom Feb. 19, 2008
6863750 High purity niobium and products containing the same, and methods of making the same Mar. 8, 2005
6849137 Nb3Sn-system superconductive wire Feb. 1, 2005
6767653 Coatings, method of manufacture, and the articles derived therefrom Jul. 27, 2004
6765786 Niobium powder and solid electrolytic capacitor using the same Jul. 20, 2004
6699821 Nb3Al superconductor and method of manufacture Mar. 2, 2004
6671164 Niobium powder, sintered body using the powder, and capacitor using the same Dec. 30, 2003
6444008 Paint and coating compositions containing tantalum and/or niobium powders Sep. 3, 2002
6440278 Target and process for its production, and method for forming a film having a high refractive index Aug. 27, 2002
6428910 Nb-based silicide composite compositions Aug. 6, 2002
6409848 Creep resistant Nb-silicide based multiphase composites Jun. 25, 2002
6193856 Target and process for its production, and method for forming a film having a highly refractive index Feb. 27, 2001
6165623 Niobium powders and niobium electrolytic capacitors Dec. 26, 2000
6010584 High temperature shape memory effect in ruthenium alloys Jan. 4, 2000
5721061 Oxidation-resistant coating for niobium-base alloys Feb. 24, 1998
5718777 Amorphous alloys resistant to hot corrosion Feb. 17, 1998
5580431 Composite wire microelectrode and method of making same Dec. 3, 1996
5522945 Method for forming triniobium tin superconductor with bismuth Jun. 4, 1996
5482577 Amorphous alloys resistant against hot corrosion Jan. 9, 1996
5460663 High corrosion resistant amorphous alloys Oct. 24, 1995
5423680 Palladium, gallium and copper-free alloy having high thermal expansion coefficient Jun. 13, 1995
5411611 Consumable electrode method for forming micro-alloyed products May. 2, 1995
5380375 Amorphous alloys resistant against hot corrosion Jan. 10, 1995
5368813 Oxidation and sulfidation resistant chromium-niobium alloy Nov. 29, 1994
5284531 Cylindrical metal fibers made from tantalum, columbium, and alloys thereof Feb. 8, 1994
5171379 Tantalum base alloys Dec. 15, 1992
5049355 Process for producing an ODS sintered alloy Sep. 17, 1991
5030300 Amorphous aluminum alloys Jul. 9, 1991
5028390 Niobium-based superalloy compositions Jul. 2, 1991
5026522 Nb-Ti-Hf high temperature alloys Jun. 25, 1991
5006307 Hafnium containing niobium, titanium, aluminum high temperature alloy Apr. 9, 1991
5000913 Hafnium containing high temperature Nb-Al alloy Mar. 19, 1991
4990308 Chromium containing high temperature Nb--Ti--Al alloy Feb. 5, 1991
4983358 Niobium-aluminum base alloys having improved, high temperature oxidation resistance Jan. 8, 1991
4954169 Fine-grained, high-purity earth acid metal powders, a process for their production and their use Sep. 4, 1990
4880482 Highly corrosion-resistant amorphous alloy Nov. 14, 1989
4854980 Refractory transition metal glassy alloys containing molybdenum Aug. 8, 1989
4725312 Production of metals by metallothermia Feb. 16, 1988
4623408 Nitrogen-containing amorphous alloy Nov. 18, 1986
4623402 Metal composition and process for producing same Nov. 18, 1986
4594104 Consolidated articles produced from heat treated amorphous bulk parts Jun. 10, 1986
4582530 Method of making a valve metal powder for electrolytic condensers and the like Apr. 15, 1986
4465511 Making niobium intermetallic compounds Aug. 14, 1984
4425318 Hydriding body-centered cubic phase alloys at room temperature Jan. 10, 1984

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