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| Number | Title | Issue Date |
| 8110173 | Fabrication of NIO nanoparticles and chip-like nanoflakes by solvothermal technique A method is disclosed for fabrication of NiO nanoparticles and NiO chip-like nanoflakes by solvothermal technique. Mixed organic alcohols were used as solvent to make a homogenous solution from a nickel containing salt (or complex) for production of NiO nanoparticle... | 02/07/2012 |
| 8062620 | Catalytic process for the conversion of Co (II)hydroxide in Co (III)oxidehydroxide The present invention relates to a process for the conversion of cobalt(II)hydroxide into cobalt(III)oxidehydroxide (CoOOH) by reaction of the cobalt(II)hydroxide with oxygen in the presence of certain metal compounds. The invention further relates to the use of cob... | 11/22/2011 |
| 7998452 | Spherical tricobalt tetraoxide and method of preparing the same A method of preparation of spherical tricobalt tetraoxide, including at least oxidizing a bivalent cobalt salt in a wet environment and in the presence of a precipitant, a complexing agent, and an oxidant to yield spherical cobalt oxyhydroxide.cobalt hydroxide accor... | 08/16/2011 |
| 7700068 | Method of making NiO and Ni nanostructures The alpha form of nickel (II) hydroxide is formed by dissolving a compound of nickel (II), such as nickel acetate, in a water miscible dihydric alcohol (diol), such as ethylene glycol, propylene glycol and suitable oligomers, and adding a suitable base such as sodiu... | 04/20/2010 |
| 7563431 | Nickel hydroxide and method for producing same A process for preparing nickel hydroxide by alkaline precipitation from nickel salt solutions in the presence of complexing agents, in which the precipitation is carried out at at least two different locations in the same mother liquor with different precipitation k... | 07/21/2009 |
| 7438754 | Cobalt-containing black pigment particulates Disclosed is a black pigment having adequate degree of blackness and high electrical resistance at the same time. Specifically disclosed is a granular black pigment containing cobalt which is characterized in that it is composed of an oxide containing at least cobal... | 10/21/2008 |
| 7357910 | Method for producing metal oxide nanoparticles Method for producing metal oxide nanoparticles. The method includes generating an aerosol of solid metallic microparticles, generating plasma with a plasma hot zone at a temperature sufficiently high to vaporize the microparticles into metal vapor, and directing the... | 04/15/2008 |
| 7338647 | Synthesis of cathode active materials The present invention relates to a method for preparing an electroactive metal polyanion or a mixed metal polyanion comprising forming a slurry comprising a polymeric material, a solvent, a polyanion source or alkali metal polyanion source and at least one metal ion... | 03/04/2008 |
| 7297321 | Supermicroporous metal oxides A new class of supermicroporous mixed oxides, with pore sizes in the 10-20 Å range has been prepared utilizing basic metal acetates. The reactions are carried out in non-aqueous solvent media to which an excess of amine is added. Hydrolysis of the reagents is effe... | 11/20/2007 |
| 7294434 | Nickel Hydroxide electrode material with improved microstructure and method for making the same Nickel hydroxide material comprising particles with a microstructure including crystallites of less than 103 Å as measured in the 101 direction by x-ray diffraction. A method of making positive electrode material for use in an alkaline rechargeable electroc... | 11/13/2007 |
| 7276224 | Synthesis of nanoporous particles Methods of producing nanoporous particles by spray pyrolysis of a precursor composition including a reactive precursor salt and a nonreactive matrix salt are provided, wherein the matrix salt is used as a templating medium. Nanoporous aluminum oxide particles produc... | 10/02/2007 |
| 7235224 | Process for preparing fine metal oxide particles Disclosed is a process for preparing fine metal oxide particles, comprising the following steps of reacting a reactant mixture comprising i) water, ii) at least one water-soluble metal nitrate and iii) ammonia or ammonium salt at 250–700° C. under 180–550 bar f... | 06/26/2007 |
| 7223377 | Process for producing micro-mesoporous metal oxide having regulated pores formed by novel template removal method The present invention is the method for preparation of transition metal oxide having micro-mesoporous structure whose average fine pores size is not less than 1 nm and not more than 2 nm comprising, adding and dissolving transition metal salt which is a precursor of... | 05/29/2007 |
| 7208134 | Bioprocesses enhanced by magnetic nanoparticles One aspect of the present invention relates to magnetic nanoparticles colloidally stabilized in aqueous milieu by association with an organic phase. The organic phase may be either a fluorinated polymer or an organic hydrocarbon bilayer, wherein the two layers are c... | 04/24/2007 |
| 7163667 | Production process for oxide magnetic material and oxide magnetic material A production process for an oxide magnetic material comprising the steps of blending raw material powder so as to take the composition of a hexagonal ferrite including: at least one kind of an element A selected from the group consisting of Ba, Sr and Ca; Co and Cu;... | 01/16/2007 |
| 7122169 | Positive electrode material and nickel-zinc battery The present invention provides a nickel-zinc battery of an inside-out structure, that is, a battery comprising a positive electrode containing beta-type nickel oxyhydroxide and a negative electrode containing zinc and having a similar structure to an alkali manganes... | 10/17/2006 |
| 7118727 | Method of making oxide particles The present invention provides a process for producing particles, such as oxide nanoparticles, in a substantially water-free environment. The process involves mixing at least one metal compound of the formula MX(m−n) with at least one surfactant and at ... | 10/10/2006 |
| 7094301 | Method of forming a joint A method of joining at least two sintered bodies to form a composite structure, including providing a first multicomponent metallic oxide having a perovskitic or fluorite crystal structure; providing a second sintered body including a second multicomponent metallic ... | 08/22/2006 |
| 7081319 | Preparation of nickel oxyhydroxide Nickel oxyhydroxide can be prepared by exposing a mixture of a nickel hydroxide and a hydroxide salt to ozone. The nickel oxyhydroxide is suitable for use in the cathode of a battery. ... | 07/25/2006 |
| 7081234 | Process of making hydrophobic metal oxide nanoparticles A process of treating metal oxide nanoparticles that includes mixing metal oxide nanoparticles, a solvent, and a surface treatment agent that is preferably a silane or siloxane is described. The treated metal oxide nanoparticles are rendered hydrophobic by the surfa... | 07/25/2006 |
| 7033555 | Low temperature lithiation of mixed hydroxides A low temperature contaminant limiting process for lithiating hydroxides and forming lithiated metal oxides of suitable crystalinity in-situ. M(OH)2 is added to an aqueous solution of LiOH. An oxidant is introduced into the solution which is heated below ... | 04/25/2006 |
| 7029791 | Manufacturing method of positive active material for alkaline storage battery, nickel electrode using the same material and alkaline storage battery using the same nickel electrode A high capacity alkaline storage battery which exhibits a maintained dischargeability and a reduced excess negative electrode capacity by decreasing the content of γ-NiOOH left in higher order positive active material. To an aqueous solution of a mixture of nickel ... | 04/18/2006 |
| 7011898 | Method of joining ITM materials using a partially or fully-transient liquid phase A method of forming a composite structure includes: (1) providing first and second sintered bodies containing first and second multicomponent metallic oxides having first and second identical crystal structures that are perovskitic or fluoritic; (2) providing a join... | 03/14/2006 |
| 6984369 | Process for making surfactant capped metal oxide nanocrystals, and products produced by the process Disclosed is a process for making surfactant capped nanocrystals of metal oxides which are dispersable in organic solvents. The process comprises decomposing a metal cupferron complex of the formula MXCupX, wherein M is a metal, and Cup is a N-... | 01/10/2006 |
| 6958139 | Active material for rechargeable batteries A mixed metal hydroxide with brucite structure is described, which contains nickel hydroxide as its main component and at least one trivalent metal selected from the group consisting of Co, Fe, Al, Ga, In, Sc, Y and La in an amount of from about 12 to about 30 atom ... | 10/25/2005 |
| 6746653 | Process for recovering catalyst transition metals from salt-containing reaction mixtures Transition metals may be recovered from a salt-containing mixture containing at least one transition metal compound, salts, and organic compounds by separating from the salt-containing mixture a mixture of the transition metal compound and the salts. This mixture, t... | 06/08/2004 |
| 6692719 | Process for regeneration of acid halide solutions A process is disclosed for regenerating an aqueous acid halide leachant from a spent aqueous metal halide leach liquor. The process comprises introducing into a fluidized bed or spray roaster a hydrocarbon fuel, an oxygen-enriched oxidizing gas and the aq... | 02/17/2004 |
| 6576205 | Method for reducing the crystallinity of nickel hydroxide powders A process for decreasing the crystallinity of nickel hydroxide by generating and supplying large numbers of heteronuclei into the nickel hydroxide producing reaction system. Nickel sulfate and sodium hydroxide are initially forcefully and intimately combi... | 06/10/2003 |
| 6340453 | Method for producing nickel hydroxide The instant specification discloses a method for producing nickel hydroxide from an aqueous solution containing an ammonium ion and dissolved nickel hydroxide in an alkaline state, which is characterized in that pH of the solution is controlled by supplyi... | 01/22/2002 |
| 5972306 | Cobalt (II) oxide containing cobalt metal, a process for producing it and its use The present invention relates to cobalt(II) oxide containing metallic cobalt, to a process for producing it and to its use.... | 10/26/1999 |
| 5861131 | Process for producing nickel hydroxide The present invention provides a process for producing nickel hydroxide particles characterized by forming nickel hydroxide particles by continuously supplying an aqueous solution containing a nickel salt and an aqueous solution of an amino acid or salt t... | 01/19/1999 |
| 5840269 | Method of preparing a double layered nickel hydroxide active material A method of preparing a double layered nickel hydroxide comprising the steps of spraying a first solution of nickel sulfate solution and aqueous ammonia into a first reaction bath, reacting the first solution with sodium hydroxide for a predetermined time... | 11/24/1998 |
| 5824283 | Process for producing nickel hydroxide from elemental nickel This process produces nickel hydroxide from elemental nickel. Introducing elemental nickel into at least a 4N aqueous ammonia solution forms a mixture. Activating the nickel powder of this mixture allows the nickel to react with oxygen in the solution. Th... | 10/20/1998 |
| 5788943 | Battery-grade nickel hydroxide and method for its preparation Nickel hydroxide for use in an electrode of a rechargeable battery is prepared by controlled precipitation from a neutralized reaction mixture of a nickel salt and an alkali metal hydroxide. The controlled precipitation results in the formation of general... | 08/04/1998 |
| 5759718 | Alkaline storage battery and method for making same Provided are alkaline storage batteries which are higher in active material utilization as compared with conventional batteries and which can maintain the high utilization even after long-term charge-discharge cycle. Cobalt hydroxide having a BET specific... | 06/02/1998 |
| 5549992 | Preparing method for a nickel hydroxide for a nickel electrode, a manufacturing method for the nickel electrode, and an alkaline secondary battery incorporating the nickel electrode therein Provided are a method for preparing a nickel hydroxide for a nickel electrode, which comprises solidly dissolving ions of other metals than nickel in a nickel hydroxide, and eluting a partial amount of the metal, a method for manufacturing a nickel electr... | 08/27/1996 |
| 5545392 | Process for producing nickel hydroxide from elemental nickel The invention provides a method of producing nickel hydroxide from elemental metal. Elemental nickel is first introduced into an aqueous ammonia or ammonia/ammonium salt solution capable of dissolving nickel. The potential, as measured by a standard calom... | 08/13/1996 |
| 5514497 | Paste nickel electrode plate and a storage battery including an electroconductive material A paste nickel electrode plate comprising a porous metal substrate filled with a mixture of a nickel hydroxide powder used as an active material and a CoO powder used as an electroconductive material wherein the CoO powder has a covering layer containing ... | 05/07/1996 |
| 5498403 | Method for preparing high density nickel hydroxide used for alkali rechargeable batteries A method for preparing nickel hydroxide is provided, in which a nickel sulfate solution and ammonium hydroxide are continuously mixed in a premixing vessel to form a nickel ammonium complex, and then the mixed solution and a sodium hydroxide solution are ... | 03/12/1996 |
| 5447707 | Process for producing nickel hydroxide A process for producing nickel hydroxide from nickel powders, in which the feed nickel powder is directly converted in an aqueous solution containing nitrate and particulate nickel at least at room temperature and a pH in excess of about 6 into nickel hyd... | 09/05/1995 |
