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Class 252/188.25 - Hydrogen generating


Subclass of Class 252 - Compositions
Definition: Composition which generates hydrogen, i.e., one which either
No. of patents: 50
Last issue date: 04/10/2012


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NumberTitleIssue Date
8153020Hydrogen-storing hydride complexes
A ternary hydrogen storage system having a constant stoichiometric molar ratio of LiNH2:MgH2:LiBH4 of 2:1:1. It was found that the incorporation of MgH2 particles of approximately 10 nm to 20 nm exhibit a lower initial hyd...
04/10/2012
7771612Hydrogen generating composition
In contrast, the alkaline compound included in the composition of the Document D1 is strong alkali, such as sodium hydroxide. Therefore, the oxide of an alkaline earth metal used in the amended invention is not disclosed or suggested in the D1 at all.
08/10/2010
7303736Nanostructured materials for hydrogen storage
A system for hydrogen storage comprising a porous nano-structured material with hydrogen absorbed on the surfaces of the porous nano-structured material. The system of hydrogen storage comprises absorbing hydrogen on the surfaces of a porous nano-structured semicond...
12/04/2007
7300643Method for producing hydrogen and apparatus for supplying hydrogen
With a method producing hydrogen by making iron or iron oxide contact water, water vapor, or a gas including water vapor, a hydrogen generating medium, which has a high hydrogen generation reaction rate and is resistant to a repetition of oxidation-reduction without...
11/27/2007
7128997Method and system for dispensing pelletized fuel for use with a fuel cell
Representative embodiments provide for a fuel activation device including a fuel storage chamber configured to store a plurality of fuel pellets arranged as a stack. A fuel dispensing device is configured to transport a fuel pellet to a fuel activation chamber. A sp...
10/31/2006
7052671Storage, generation, and use of hydrogen
A composition comprising a carrier liquid; a dispersant; and a chemical hydride. The composition can be used in a hydrogen generator to generate hydrogen for use, e.g., as a fuel. A regenerator recovers elemental metal from byproducts of the hydrogen generation proc...
05/30/2006
7029600High capacity hydrogen storage material based on catalyzed alanates
A complex aluminum hydride doped with a catalytic material adapted to increase the kinetics of hydrogen absorption/desorption of the aluminum hydride without reducing the hydrogen storage capacity of the aluminum hydride. ...
04/18/2006
7011768Methods for hydrogen storage using doped alanate compositions
The present invention concerns compositions, apparatus and methods for hydrogen storage. In certain embodiments, the compositions comprise sodium alanate and {n5-C5H5}2TiH2. In preferred embodiments, the compone...
03/14/2006
6866689Aqueous borohydride compositions
An aqueous fuel for generating hydrogen includes alkaline aqueous composition of about 17 to 37 mole percent of a sodium borohydride, and from about 0.001 to 1 mole percent of sodium hydroxide. ...
03/15/2005
6746630Oxygen scavengers independent of transition metal catalysts
The claims are drawn to a method of detecting seal breakage or incomplete seal formation in a package, said method comprising the steps of: (i) providing said package, prior to sealing, with a strip or ring of an indicator comprising an oxygen scavenging composition...
06/08/2004
6726892Advanced aluminum alloys for hydrogen storage
Various aspects of the present invention provides a nanocrystalline powder suitable for storing hydrogen and a method of producing such a powder. One embodiment provides a nanocrystalline powder containing crystals of an aluminum alloy selected from the group consis...
04/27/2004
6642047Exothermic chemistry and method for generating an anaerobic environment
The present invention provides a method and device for creating an environment in a container that is suitable for growing anaerobic bacteria. The device utilizes exothermic chemistry to deplete oxygen and drive the decomposition of a bicarbonate present ...
11/04/2003
6517728Oxygen scavengers independent of transition metal catalysts
A composition for reducing the concentration of molecular oxygen present in an atmosphere or liquid, comprising at least one reducible organic compound which is reduced under predetermined conditions, the reduced form of the compound being oxidizable by m...
02/11/2003
6346200Oxygen scavengers independent of transition metal catalysts
A composition for reducing the concentration of molecular oxygen present in an atmosphere or liquid, comprising at least one reducible organic compound which is reduced under predetermined conditions, the reduced form of the compound being oxidizable by m...
02/12/2002
6322723Method of generating hydrogen gas
The invention is concerned with a method of producing hydrogen gas. The method comprises the steps of: providing in a reaction container a composition including respective quantities of particulate elemental magnesium, particulate elemental iron, an addit...
11/27/2001
6254804Oxygen scavengers with reduced oxidation products for use in plastic films
An oxygen scavenger composition, for use in or with plastics materials, includes a polymer or oligomer having at least one cyclohexene group or functionality. The composition produces only low levels of volatile or extractable (from a plastics material in...
07/03/2001
6184432Methods for thermally degrading unwanted substances using particulate metal compositions
Methods and products for thermally degrading unwanted substances is provided which involves contacting such substances with a particulate metal composition in the presence of water and an alkali metal salt, and causing sufficient heat to be generated duri...
02/06/2001
6113806Methods for thermally degrading unwanted substances using particulate metal compositions
Methods and products for thermally degrading unwanted substances is provided which involves contacting such substances with a particulate metal composition in the presence of water and an alkali metal salt, and causing sufficient heat to be generated duri...
09/05/2000
6106579Compositions and methods for dyeing and safe decolorizing of fibers, especially hair, and multi-part kit for repeatedly changing dyed fiber color
The method for decolorizing fibers includes applying a decolorizing composition according to the invention to dyed fibers and allowing the composition to act on the fibers for a sufficient time to remove dyed color from the dyed fibers. The decolorizing c...
08/22/2000
6018091Methods for thermally degrading unwanted substances using particular metal compositions
Methods and products for thermally degrading unwanted substances is provided which involves contacting such substances with a particulate metal composition in the presence of water and an alkali metal salt, and causing sufficient heat to be generated duri...
01/25/2000
5958254Oxygen scavengers independent of transition metal catalysts
A composition for reducing the concentration of molecular oxygen present in an atmosphere or liquid, comprising at least one reducible organic compound which is reduced under predetermined conditions. The reduced form of the compound being oxidizable by m...
09/28/1999
5858267Method for treating chlorinated organic compound
According to the present invention, there is provided a method for nonbiologically treating an chlorinated organic compound contained in an environment polluted with the chlorinated organic compound, which comprises the step of introducing silicon into th...
01/12/1999
5772485Method of making a hydrogen-rich, low dielectric constant gate insulator for field emission device
An emitter structure 12 for use in a field emission display device comprises a ballast layer 17 overlying an electrically conductive coating 16 (cathode electrode), which is itself formed on an electrically insulating substrate 18. A gate electrode compri...
06/30/1998
5684356Hydrogen-rich, low dielectric constant gate insulator for field emission device
An emitter structure 12 for use in a field emission display device comprises a ballast layer 17 overlying ah electrically conductive coating 16 (cathode electrode), which is itself formed on an electrically insulating substrate 18. A gate electrode compri...
11/04/1997
5078894Formulations for iron oxides dissolution
A mixture of a di- or polyphosphonic acid and a reductant wherein each is present in a sufficient amount to provide a synergistic effect with respect to the dissolution of metal oxides and optionally containing corrosion inhibitors and pH adjusting agents...
01/07/1992
4830766Use of reducing agents to control scale deposition from high temperature brine
The deposition of metal-containing scale, such as iron silicate scale, from a hot aqueous geothermal brine, or the like, is controlled by blending into the brine sufficient reducing agent effective for reducing trivalent iron and manganese cations in a hi...
05/16/1989
4816243Preparation of vanadium III oxidic compounds, and dehydrogenation of paraffins
Disclosed is making a particular inorganic crystalline vanadium III oxidic compound from a pentavalent vanadium compound and at least one other or more metal cations, which process comprises (1) reducing a pentavalent vanadium oxidic compound to the V
03/28/1989
4737355Preparation of vanadium III oxidic compounds, and dehydrogenation of paraffins
Disclosed is making an inorganic crystalline vanadium III oxidic compound from a pentavalent vanadium compound, which process comprises (1) reducing a pentavalent vanadium oxidic compound to substantially the VIII state by heating at 100° C. o...
04/12/1988
4673528Solid H2 /D2 gas generators
A solid fuel for generating H2 or D2 gases, comprising magnesium orohydride diammoniate (MBDA) or its deuterated analog as the H2 or D2 source, an oxidizer selected from LiNO3 and KNO3, and a ...
06/16/1987
4668424Low temperature reusable hydrogen getter
Hydrogen gettering alloys which contain nickel, mischmetal, and zirconium, and may optionally contain one or more of cobalt, copper, iron, aluminum, tin, titanium and silicon, overcome many of the deficiencies of the existing getter technology. These allo...
05/26/1987
4555395Hydride compositions
Disclosed are organic treating agents for imparting improved flow properties to hydrides and compositions comprising hydrides treated with an effective amount of an organic compound capable of imparting improved flow properties to said hydride. Also discl...
11/26/1985
4431561Hydrogen storage materials and method of making same
A material for reversibly storing hydrogen is formed from a lightweight matrix which is chemically and structurally modified to improve its hydrogen storage properties. The utilization of a material which can be any of a number of different disordered str...
02/14/1984
4431562Hydrogen-containing silicic substance, process for producing the same and use thereof
A hydrogen-containing silicic substance comprising a four-coordinate Si lattice surrounded by a shell of SiH2 and/or SiH3 is disclosed. The substance contains unbound hydrogen in the Si lattice, making it possible to conveniently sto...
02/14/1984
4412935Storage material for hydrogen utilizing amorphous silicon and a method for producing the same
A storage material for hydrogen comprised of amorphous silicon containing phosphorous, in addition to hydrogen (a-Si:H:P). In certain embodiments, such storage material is produced via a glow discharge plasma from a reactive gas mixture in accordance with...
11/01/1983
4397834Method 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
4389326Method of storing hydrogen in intimate mixtures of hydrides of magnesium and other metals or alloys
There is provided an efficient method of storing hydrogen in materials of small mass and small volume. The products of the present invention comprise intimate mixtures (as opposed to alloys) of magnesium and other metals or alloys capable of forming hydri...
06/21/1983
4381986Cooling and solidification of heavy hydrocarbon liquid streams
A process and apparatus for cooling and solidifying a stream of heavy hydrocarbon material normally boiling above about 850° F., such as vacuum bottoms material from a coal liquefaction process. The hydrocarbon stream is dropped into a liquid bath, prefe...
05/03/1983
4359396Hydride of beryllium-based intermetallic compound
Alloys of beryllium with Group IV or V metals of C22 Aluminum Boride, C15 Laves or C14 Laves phase structures and an atom ratio of 2:1 form hydrides reversibly. Either beryllium or the Group IV or V metal or both are in some instances substituted for in p...
11/16/1982
4341651Compositions and methods for generation of gases containing hydrogen or hydrogen isotopes
A composition which upon heating generates hydrogen or hydrogen isotopes prises an intimate mixture of a hydride component selected from the group consisting of calcium hydride, magnesium hydride, sodium hydride, lithium hydride and mixtures thereof, and...
07/27/1982
4163666Hydrogen charged alloys of Zr(A1-x Bx)2 and method of hydrogen storage
Hydrogen containing alloys of the formula Zr(A1-x Bx)2 are disclosed in which A designates V, Mn or Cr, B designates Fe or Co, and x is between 0.05 and 0.9. Storage systems for hydrogen comprising such an alloy are also d...
08/07/1979
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