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Class 423/641 - Alkali metal (Li, Na, K, Rb, or Cs)


Subclass of Class 423 - Chemistry of inorganic compounds
Definition: Products or processes wherein the metal is lithium, sodium,
No. of patents: 142
Last issue date: 07/08/2008


1        
NumberTitleIssue Date
7396614Lithium and vanadium oxide, a preparation method thereof and the use of same as an active electrode material
A lithium and vanadium oxide is described having the formula Li1+xV3O8, wherein 0.1≦×≦0.25. The oxide has a monoclinic crystalline structure and comprises non-agglomerated grains in the form of monocrystalline pellets having a l...
07/08/2008
7357910Method 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
7326398Non-silica mesoporous oxide having improved pore structure periodism, method of producing the mesoporous oxide and method of crystallizing pore wall of non-silica mesoporous oxide using template to be filled in pores
A method for preparation for mesoporous oxide comprising a non silica oxide having a hexagonal pore structure periodicity and an average maximum pore length of from 2 nm to 5 nm, characterized by comprising blending 0.003 mol to 0.01 mol of TaCl5, NbCl
02/05/2008
7211350Nanostructure lithium titanate electrode for high cycle rate rechargeable electrochemical cell
Rechargeable electrochemical cells, such as lithium batteries and asymmetric hybrid battery/supercapacitor systems, exhibiting exceptional specific capacity levels and stability over extended high-rate recharge cycling comprise nanostructure zero strain Li4
05/01/2007
7211236Flame made metal oxides
Described is a method for the production of metal oxides by flame spray pyrolysis, in particular mixed metal oxides such as ceria/zirconia, and metal oxides obtainable by said method. Due to high enthalpy solvents with a high carboxylic acid content said metal oxide...
05/01/2007
7179437Feeding device and process and feeding system which utilize the feeding device
Feeding device for feeding burned lime to a reaction vessel for causticizing a soda liquor to caustic soda. The feeding device, in its upper part, comprises an inlet for a slurry of the burned lime and the soda liquor for formation of said slurry inside said feeding...
02/20/2007
7118727Method 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
7033555Low 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
6982048Potassium stabilized manganese dioxide for lithium rechargeable batteries
The present invention provides a potassium-doped mixed metal oxide cathode material formed by advantageously alloying MnO2 with potassium and lithium to provide a new mixed metal oxide cathode material as the positive electrode in rechargeable lithium and...
01/03/2006
6932922Lithium cobalt oxides and methods of making same
The present invention includes lithium cobalt oxides having hexagonal layered crystal structures and methods of making same. The lithium cobalt oxides of the invention have the formula LiwCo1−xAxO2+y wherein 0.96≦w≦1...
08/23/2005
6881393Process for making nano-sized and sub-micron-sized lithium-transition metal oxides
A process is provided for making nano-sized or sub-micron sized oxides of lithium and a transition metal. The desired size is generally in the range 10 nm to 1000 nm and preferably in the range 10 nm to 100 nm. The particles have a narrow size distribution. The proc...
04/19/2005
6803028Method of making stoichiometric lithium niobate
Methods of manufacturing stoichiometric lithium niobate elements are provided. The method involves heating lithium niobate substrates in the presence of a monolithic sintered source of lithium and/or niobium. The method is useful for producing lithium niobate optica...
10/12/2004
6787232Intercalation compounds and electrodes for batteries
This invention concerns intercalation compounds and in particular lithium intercalation compounds which have improved properties for use in batteries. Compositions of the invention include particulate metal oxide material having particles of multicomponent metal oxi...
09/07/2004
6787069Compound having dopant introduced into vacant lattice point while controlling position and concentration
A compound obtained by incorporating atoms Cz into vacant lattice points of a crystal represented by the general formula AxBy (wherein A is a cation; B is an anion; and x and y satisfy an electrically neutral stoichiometric ratio) while control...
09/07/2004
6713039Lithium-manganese oxide for use in lithium secondary cell cathode and method for producing the lithium-manganese oxide
A lithium-manganese oxide for use in a lithium secondary cell cathode, having a spinel structure expressed by a chemical compositional formula of LixMn2O4-zFz (1.12≦X≦1.20, 0
03/30/2004
6676719Aqueous dispersion, a process for the preparation and the use thereof
A pyrogenic process is used to prepare alkali-doped silica particles. Particles produced by this process exhibit homogeneous doping, reduced agglomeration, greater stability and higher removal rates. Aqueous dispersions containing alkali-doped pyrogenic s...
01/13/2004
6660680Electrocatalyst powders, methods for producing powders and devices fabricated from same
Electrocatalyst powders and methods for producing electrocatalyst powders, such as carbon composite electrocatalyst powders. The powders have a well-controlled microstructure and morphology. The method includes forming the particles from an aerosol of pre...
12/09/2003
6608008Lithium hydroxide compositions
There is provided concentrated aqueous solutions of highly pure lithium hydroxide essentially free of carbon dioxide, packaged in an inert atmosphere....
08/19/2003
6579619Potassium titanate powder
Potassium titanate powder with no risk of carcinogenic property, comprising particles with a length of less than 2 μm, a length/breadth ratio of less than 5 and, further, comprising 90% or more of particles with the ratio less than 2 and 97% or more of p...
06/17/2003
6579475Lithium cobalt oxides and methods of making same
The present invention includes lithium cobalt oxides having hexagonal layered crystal structures and methods of making same. The lithium cobalt oxides of the invention have the formula Liw Co1-x Ax O2+y wherein ...
06/17/2003
6555078Method of preparing lithium salts
The present invention provides an inexpensive process for the preparation of lithium salts of formula LiX having a desired or required level of purity using lithium chloride and lithium sulfate. In the process of the invention, a lithium salt selected fro...
04/29/2003
6548037Aluminium polychlorosulphates, process for their preparation and use thereof
Aluminum polychlorosulphates having the general formula (I) Al(OH)l Clm (SO4)n Mp (I) where M represents an alkali metal l, m, n, p represent the number of moles per mole of aluminum, so that 1.74ࣘlࣘ2.25, 0.01à£...
04/15/2003
6530961Alkaline aqueous solutions and use thereof in processes for dyeing cellulosic textile materials
Described are aqueous solutions comprising sodium hydroxide and potassium carbonate in a molar ratio of 1:1.7 to 1:0.5, which are useful for preparing alkaline dyeing liquors, especially padding liquors, of fiber-reactive dyes for producing dyeings on cel...
03/11/2003
6468684Proton conducting membrane using a solid acid
A solid acid material is used as a proton conducting membrane in an electrochemical device. The solid acid material can be one of a plurality of different kinds of materials. A binder can be added, and that binder can be either a nonconducting or a conduc...
10/22/2002
6403260Carbon product rich in lithium for use as negative electrode in a lithium cell
The invention relates to a lithium-rich carbonaceous substance which can be used as a negative electrode in a lithium accumulator. This substance has the following formula: LiNax Cy Oz (I) in which x, y and z are such that 0.4ࣘxà...
06/11/2002
6387348Method for treating spent caustic streams
Sulfur compounds present as sulfides and mercaptans in spent caustic streams from refinery and petrochemical processes are oxidized by contacting them with an oxygen-containing gas in a packed column recycle reactor....
05/14/2002
6383235Cathode materials, process for the preparation thereof and secondary lithium ion battery using the cathode materials
A process of preparation capable of easily preparing cathode materials having a homogeneous composition in a good mass productivity, a cathode material obtained by this process, and a secondary lithium ion battery using the cathode material. Aqueous solut...
05/07/2002
6372156Methods of chemically converting first materials to second materials utilizing hybrid-plasma systems
In one aspect, the invention encompasses a method of chemically converting a first material to a second material. A first plasma and a second plasma are formed, and the first plasma is in fluid communication with the second plasma. The second plasma compr...
04/16/2002
6348094SAW or LSAW device piezoelectric single crystal wafer and method of making
A piezoelectric single crystal wafer for SAW or LSAW devices has an x-ray rocking curve half width of up to 0.06° on the wafer surface on which electrodes are to be formed for transmitting and receiving SAW or LSAW....
02/19/2002
6335096Potassium titanate fine particles
Potassium titanate fine particles wherein the length is shorter than 5 μm, the content of the particles having the ratio of the length to the breadth is less than 3 is from 70 to 100% by number ratio, the diffraction intensity in the X-ray diffraction is...
01/01/2002
6270927Lithium secondary battery and cathode active material for use in lithium secondary battery
Provided is a lithium secondary battery of a high energy density using a cathode active material having an excellent cycle characteristic in charging/discharging at a high capacity and a small irreversible capacity. The lithium secondary battery comprisin...
08/07/2001
6267896Ferrate-based water disinfectant and method
A contaminated water disinfectant and method including a quantity of substantially dry soluble alkali metal ferrate (VI) particles. A porous sealed packet contains the particles in a quantity sufficient to disinfect a predetermined quantity of contaminate...
07/31/2001
6217843Method for preparation of metal intercalated fullerene-like metal chalcogenides
A method for the preparation of nanoparticles of metal oxides containing inserted metal particles and to metal-intercalated and/or metal-encaged "inorganic fullerene-like" (hereinafter IF) structures of metal chalcogenides obtained therefrom is provided, ...
04/17/2001
6214059Liquid alkali for reactive dyeing of textiles
A liquid alkali composition for use in fiber reactive dyeing of cotton and cotton blended fabrics or the like. The liquid alkali is a solution of sodium hydroxide, potassium hydroxide, and potassium carbonate formed by reaction of CO2 with the ...
04/10/2001
6207129Lithiated manganese oxide
The invention is a process which provides a high purity lithiated manganese oxide (Li1+x Mn2-y O4) from chemically made MnO2. The lithiated manganese oxide has an especially effective utility for use as a cathod...
03/27/2001
6183715Low polarizability of Sb5+ for use in fabrication of low dielectric constant materials
The microwave properties of numerous perovskite antimonates like A2 MeSbO6 where A=Ba or Sr, Me=a rare earth, Y, Sc, Ga, or In and A4 MeSb3 O12 where A=Ba or Sr and M=Li, Na or K were measured at 10 G...
02/06/2001
6171571Crystalline multinary metal oxide compositions, process for preparing and processes for using the composition
A new family of crystalline metal oxide compositions have been synthesized. These compositions are described by the empirical formula: An NbMx M'y M"m Op where A is an alkali metal cation, ammonium ion and mixt...
01/09/2001
6120745Method for the oxidation of at least one alkali metal
Method for the oxidation of at least one alkali metal, according to which this alkali metal is subjected in molten condition to an oxidation by a reaction with oxygen, characterized in that the molten alkali metal is dispersed in a fluidized bed (6) and i...
09/19/2000
6113657Purification of caustic soda
In a process for preparing crystalline NaOH.3.5H2 O, NaOH.3.5H2 O is allowed to crystallize from an aqueous sodium hydroxide solution which contains sodium chloride and is saturated in respect of NaOH.3.5H2 O and the cryst...
09/05/2000
6039930Process for producing metal compounds from graphite oxide
A process for providing elemental metals or metal oxides distributed on a carbon substrate or self-supported utilizing graphite oxide as a precursor. The graphite oxide is exposed to one or more metal chlorides to form an intermediary product comprising c...
03/21/2000
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