Class 420/424 - VANADIUM BASE

Subclass of Class 420 - Alloys or metallic compositions
Definition: Alloy, or metallic composition containing over 50 percent of vanadium.
No. of patents: 39
Last issue date: 03/18/2008

Number	Title	Issue Date
7344676	Hydrogen storage materials having excellent kinetics, capacity, and cycle stability A BCC phase hydrogen storage alloy capable of storing approximately 4.0 wt. % hydrogen and delivering reversibly up to 3.0 wt. % hydrogen at temperatures up to 110° C. The hydrogen storage alloys also possess excellent kinetics whereby up to 80% of the hydrogen sto...	03/18/2008
7175721	Method for preparing Cr-Ti-V type hydrogen occlusion alloy The invention relates to a method for producing high-performance Cr—Ti—V hydrogen storage alloys utilizing a thermit process, whereby residence of adversely affecting impurities is inhibited, addition of not less than 10 at % of Ti as an alloy component is reali...	02/13/2007
7108757	Hydrogen storage alloys providing for the reversible storage of hydrogen at low temperatures A reversible hydrogen storage alloy capable of storing large amounts of hydrogen and delivering reversibly large amounts of hydrogen at temperatures ranging from 0° C. up to 40° C. The hydrogen storage alloy is generally composed of titanium, vanadium, and chromiu...	09/19/2006
6875377	Gamma radiation source A gamma radiation source comprising selenium-75 or a precursor therefore, wherein the selenium is provided in the form of one or more thermally stable compounds, alloys, or mixed metal phases. ...	04/05/2005
6835490	Alloy for hydrogen storage, method for absorption and release of hydrogen using the alloy, and hydrogen fuel cell using the method A method for absorbing and releasing hydrogen comprises applying repeatedly hydrogen pressurization and depressurization to a hydrogen storage metal alloy of a body-centered cubic structure-type phase exerting a two-stage or inclined plateau characteristic in a hydr...	12/28/2004
6491867	High capacity and high performance Zr-based hydrogen storage alloy for secondary cells A hydrogen storage alloy, represented by the following formula I which is suitable for use as an active anode material for ni-metal hydride secondary cells by virtue of its high discharge characteristics including, for example, a discharge capacity rangin...	12/10/2002
6419764	Hydrogen storage material A hydrogen storage material includes a vanadium-based body-centered cubic matrix phase containing at least titanium and nickel in solid solution in the matrix phase. There is a positive correlation between the titanium concentration distribution in the ma...	07/16/2002
6398980	Method for producing a nonevaporable getter A process is provided for the production of porous non-evaporable getter materials comprising at least one first element selected from Zr and Ti and at least one second element selected from V, Cr, Mn and Ni. The starting metal powders are produced by red...	06/04/2002
6395405	Hydrogen permeable membrane and hydride battery composition A hydride battery electrode is coated with palladium or a palladium alloy to improve hydride storage properties and recycle characteristics. A hydrogen purification membrane including a metallic substrate likewise has improved properties upon coating with...	05/28/2002
6338764	Hydrogen-absorbing alloy and hydrogen-absorbing alloy electrode To provide a hydrogen absorbing alloy having a BCC (body-centered cubic structure) as a crystal structure, and particularly a hydrogen-absorbing alloy for a nickel-hydride cell having excellent discharge capacity and durability (cycle characteristics), sa...	01/15/2002
6322720	Nonevaporable getter It is described a process for the production of porous non-evaporable getter materials comprising at least one first element selected between Zr and Ti and at least one second element selected among V, Cr, Mn and Ni, wherein the starting metal powders are...	11/27/2001
6270719	Modified electrochemical hydrogen storage alloy having increased capacity, rate capability and catalytic activity A modified Ti--V--Zr--Ni--Mn--Cr electrochemical hydrogen storage alloy which has at least one of the following characteristics: 1) an increased charge/discharge rate capability over that the base Ti--V--Zr--Ni--Mn--Cr electrochemical hydrogen storage all...	08/07/2001
6153032	Hydrogen-absorbing alloy and process for preparing the same A hydrogen-absorbing alloy capable of controlling the very fine structure formed by a spinodal decomposition for improving flatness of an emission equilibrium pressure in a practical temperature/pressure range and excellent in activation and hydrogen abso...	11/28/2000
5900558	Container packed with powder of hydrogen absorbing alloy A container packed with a mixture of powders classified respectively into two or at least three particle-size distribution groups which are different in average particle size, the powders comprising a hydrogen absorbing alloy singly or the combination of ...	05/04/1999
5578266	Alloys suitable for hydrogen storage, method of producing the same and electrode using the same Disclosed are a hydrogen storage alloy which contains carbon in a proportion of from 30 to 500 ppm and is represented by the stoichiometric formula Ax B5.0, wherein A is La or a mixture of La with at least one rare earth metal other ...	11/26/1996
5490970	Method of producing hydrogen-storing alloy and electrode making use of the alloy In the method of the present invention for producing a hydrogen-storing alloy, part or whole of single substance of Zr as a starting material is replaced with a ferrozirconium or a zircalloy. This method enables production of a hydrogen-storing alloy at r...	02/13/1996
5447683	Braze for silicon carbide bodies Dense monolithic SiC or SiC ceramic composites are strongly bonded using brazing compositions which, in their preferred composition, include a braze alloy consisting essentially of less than 50 weight percent silicon and at least two metals from the group...	09/05/1995
5051414	Inhibition of HIV and other retroviruses by polyoxoanions There are disclosed pharmaceutical compositions containing polyoxoanions, methods of using them alone or in combination with other compounds, such as AZT and Poly-I:C for the treatment of retroviruses. Also disclosed are novel polyoxoanions....	09/24/1991
5002730	Preparation of vanadium rich hydrogen storage alloy materials Disclosed is a method of forming a vanadium-rich, multi-component reversible, electrochemical hydrogen storage alloy directly from a vanadium-reductant alloy without first obtaining pure vanadium. In one exemplification the vanadium-reductant alloy is a v...	03/26/1991
4849205	Hydrogen storage hydride electrode materials Four groups of advanced hydrogen hydride storage and hydride electrode materials, consisting of two common elements, titanium and nickel. In the first group of materials, zirconium and chromium are added with the common elements. The second group of mater...	07/18/1989
4725312	Production of metals by metallothermia The metals of Groups (IV)(B) or (V)(B) of the Periodic Table, or of the lanthanide series, e.g., titanium metal, are conveniently produced, notably in powder form, by reducing a salt of such a metal by contacting same with liquid admixture comprising lith...	02/16/1988
4708282	Welding alloy and method of making and using the same The invention is a weld metal for welding of a titanium alloy member to a ferrous based alloy member as an intermediate transition zone between such members so as to overcome the metallurgical imcompatability of each such member, and which consists of a v...	11/24/1987
4623402	Metal composition and process for producing same The metal composition and the process for producing same relate to the art of alloy metallurgy. The metal composition based on metals of VIII Group and nitrides of metals of III-VII Groups is characterized in that at least one alloy containing at least on...	11/18/1986
4594104	Consolidated articles produced from heat treated amorphous bulk parts The present invention provides a method for producing a consolidated article composed of a transition metal alloy. The method includes the step of selecting a rapidly solidified alloy which is at least about 50% glassy. The alloy is formed into a pluralit...	06/10/1986
4582530	Method of making a valve metal powder for electrolytic condensers and the like In the production of a vanadium group valve metal powder, especially tantalum, the reaction mixture of a double fluoride salt of the valve metal and metallic sodium and/or potassium is doped with sulfur before a melt cake is formed. The melt cake is then ...	04/15/1986
4562057	Preparation of low-carbon vanadium nitride A low-carbon vanadium nitride is prepared in a furnace at an elevated temperature of about 1400° C. under nitrogen atmosphere from a feed material containing a mixture of vanadium oxynitride and carbon. The vanadium oxynitride is prepared by the partial ...	12/31/1985
4446101	Storage material for hydrogen A storage material for hydrogen comprising an alloy with the following composition: This storage material for hydrogen can, in the cold state, absorb a maximum of 3.2% by weight of H2 and already possesses, at low temperatures, a high reaction ...	05/01/1984
4440737	Room temperature reaction of vanadium-based alloys with hydrogen A method of producing a vanadium-based metal hydride which comprises reacting hydrogen gas at a temperature between about 0° and 100° C. with a vanadium-based binary solid solution alloy having a body-centered cubic structure and having a formula V...	04/03/1984
4397834	Method of gettering hydrogen under conditions of low pressure A ternary intermetallic compound having the formula Zr(V1-x Crx)2 where x is in the range of 0.01 to 0.90 is capable of reversibly sorbing hydrogen at temperatures ranging from room temperature to 200° C., at pressures do...	08/09/1983
4374667	Ferrovanadium carbide addition agents and process for their production Ferrovanadium carbide addition agents comprising 75 to 85% vanadium, 8 to 12% carbon, 8 to 12% iron, less than 2% oxygen and having a density of from about 5.8 to about 6.2. The addition agents are produced by fusing vanadium oxide, iron and carbon at abo...	02/22/1983
4318897	Process for preparing hydrided iron-vanadium alloys Ferrovanadium alloys containing from about 5 to about 30% iron may be used as hydrogen storage systems. Such alloys have a hydrogen-to-metal ratio which may be as great as about 1, and may be dehydrided at temperatures less than about 200° C....	03/09/1982
4256487	Process for producing vanadium-containing alloys A process for producing vanadium-containing alloys comprises the step of melting in a furnace a charge providing a content of vanadium oxides in a melt from 25 to 30 wt. % of vanadium oxides, and calcium oxides. The melt is discharged from the furnace int...	03/17/1981
4190701	V₃ Ga Composite superconductor A composite superconductor which comprises: (1) A matrix sheath of a copper-base alloy containing from about 12 to ab 20 at. % of gallium and from about 0.2 to about 6 at. % of aluminum; (2) a core in said matrix sheath, said core being of a vanadium-base alloy ...	02/26/1980
4167409	Process for lowering the sulfur content of vanadium-carbon materials used as additions to steel Vanadium-carbon materials for use as additions to steel have been produced by the vacuum furnacing of a mixture of vanadium oxide and carbon. To lower the sulfur content of such material, which derives essentially from the sulfur content of the carbon in ...	09/11/1979
4040814	Method of producing a composition containing a large amount of vanadium and nitrogen Method for producing a material containing vanadium and nitrogen and less than 2% carbon and oxygen by vacuum furnacing....	08/09/1977
4026730	Nitrided materials Nitrided cutting tool materials having excellent wear and abrasion resistance. Such materials consist essentially of an alloy base of (a) one or more metals of the group columbium and vanadium and sometimes tantalum; (b) hafnium; (c) one or more metals of...	05/31/1977
3988178	Method for preparing superconductors A superconductor having an equiaxed fine grain beta-tungsten crystalline structure found to have improved high field critical current densities is prepared by sputter-depositing superconductive material onto a substrate cooled to below 200° C. and heat-t...	10/26/1976
3945859	Method of manufacturing superconductors of ଲ-tungsten structure A method of manufacturing a superconductor consisting of different materials by introducing into material of an element or an alloy at least one element of another group or a compound, whereupon the diameter of the assembly, if desired, is reduced and sub...	03/23/1976

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Class 420/424 - VANADIUM BASE