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Class 423/87 - Group VA metal or arsenic (Sb, Bi, or As)


Subclass of Class 423 - Chemistry of inorganic compounds
Definition: Processes in which the compound comprises antimony, bismuth
No. of patents: 286
Last issue date: 04/03/2012


1                
NumberTitleIssue Date
8147779Method of alkali processing substance containing arsenic
To provide a method of generating, with good reproducibility and ease and without complicated operations, scorodite which satisfies the elution standard (in accordance with Notification of No. 13 of Japanese Environment Agency) and which has good filterbility and st...
04/03/2012
8110162Method of processing copper arsenic compound
Provided is a method of easily producing scorodite which is stable and has excellent filtering properties with excellent reproducibility and without using complex operations, when processing arsenic that is included in non-ferrous smelting intermediates, and particu...
02/07/2012
8097228Method of processing diarsenic trioxide
To provide a method of generating, with good reproducibility and ease and without complicated operations, scorodite which satisfies the elution standard (in accordance with Notification of No. 13 of Japanese Environment Agency) and which has good filterbility and st...
01/17/2012
8092764Method of processing non-ferrous smelting intermediate containing arsenic
Provided is a method of easily producing easily-filterable and stable scorodite that meets the leaching standard (conformance to Japanese Environmental Agency Notice 13) with excellent reproducibility and without using complex operations, when processing arsenic tha...
01/10/2012
8092765Method of processing non-ferrous smelting intermediates containing arsenic
To extract arsenic from intermediates containing arsenic, to outside the system in stable form. A method of processing non-ferrous smelting intermediate containing arsenic in sulfide form and a non-ferrous smelting intermediate containing arsenic and copper as metal...
01/10/2012
7935321Method of preparing bismuth oxide and apparatus therefor
A method of preparing bismuth oxide and an apparatus therefor are disclosed. The method includes: melting bismuth metal; transporting the melted bismuth metal to an open first reactor and oxidizing the melted bismuth metal while stirring at a temperature of 300-650Â...
05/03/2011
7906083Method of synthesizing zirconium-loaded fibrous adsorbent materials having phosphoryl groups and removal of objectionable substances using the adsorbents
A zirconium-loaded fibrous adsorbent material having phosphoryl groups which is produced by first grafting a reactive monomer having phosphoryl groups onto a polymeric substrate and then loading zirconium. One or more methods of using the zirconium-loaded fibrous ad...
03/15/2011
7695698Method of producing iron-arsenic compound excellent in crystallinity
A method of producing an iron-arsenic compound by adding an oxidizing agent to an aqueous solution containing arsenic ions and bivalent iron ions and allowing an iron-arsenic compound precipitation reaction to proceed under stirring of the solution, wherein the prec...
04/13/2010
7416712Method for obtaining cobalt and nickel from ores and ore concentrates
The invention relates to a method for obtaining metals from a cobalt and/or nickel arsenic sulfide ore or ore concentrate and/or a cobalt and/or nickel sulfide ore or ore concentrate, according to which the cobalt and/or nickel arsenic sulfide ore or ore concentrate...
08/26/2008
7347983Mg2MM'o 6+x, (M=Y, rare earth metal and M'=SN, OR Zr) dielectric ceramics
Complex ceramic oxides of the general formula Mg2MM′O6+x where M=Rare metal ion or Yttrium or Lanthanum and M′=Sn, Sb, Zr, Hf, Ta, and Nb; and where −0.5
03/25/2008
7314604Stable ferric arsenate precipitation from acid copper solutions whilst minimising copper losses
A method of which includes the steps of introducing an acidic solution containing (V), copper, ferric iron and ferrous iron into a first tank of a series of continuously stirred tank reactors and, in the first tank, adding air to the solution; heating the solution t...
01/01/2008
7309457Chain inorganic oxide fine particle groups
A chain antimony oxide fine particle group comprising antimony oxide fine particles which have an average particle diameter of 5 to 50 nm, are connected in the form of a chain and have an average connection number of 2 to 30 and preferably used for forming a hard co...
12/18/2007
7300589Process for removing arsenic from aqueous streams
Arsenic is removed from water and other aqueous feeds by (1) treating the feed with a compound containing cerium in the +4 oxidation state, preferably cerium dioxide, to oxidize arsenic in the +3 oxidation state to arsenic in the +5 oxidation state and (2) removing ...
11/27/2007
7284448Device and method for passively measuring fluid and target chemical mass fluxes in natural and constructed non-porous fluid flow system
An improved method and apparatus for simultaneously monitoring the fluid flux and the target chemical mass fluxes in fluid flow systems is provided comprising the use of a body or shell that is inserted into the flow field. Inside or outside this body is a bundle of...
10/23/2007
7264733Method for treating heavy-metal-containing wastewater using sulfidizing agent
A method and apparatus for treating heavy-metal-containing wastewater using a sulfidizing agent. Sulfidizing treatment is carried out by adding a sulfidizing agent to heavy-metal-containing wastewater, while detecting hydrogen sulfide gas generated from the wastewat...
09/04/2007
7247242Arsenic removal from water
Methods for removing arsenic from water by addition of inexpensive and commonly available magnesium oxide, magnesium hydroxide, calcium oxide, or calcium hydroxide to the water. The hydroxide has a strong chemical affinity for arsenic and rapidly adsorbs arsenic, ev...
07/24/2007
7235792Color-tuned volumetric light using high quantum yield nanocrystals
A light source of coaxially stacked volumetric light cells that can be used either in a lamp or a display. Each light cell is composed of high quantum yield nanocrystals in a silica aerogel matrix that is excited by a controlled ultraviolet light source. From these ...
06/26/2007
7232554Process for recovering arsenic from acidic aqueous solution
A process for the recovery of arsenic trioxide from acid solutions, particularly the aqueous acid effluent produced by a gas-washing process in the pyrometallurgy of copper sulfide ores is provided. Generally, the process comprises concentrating the acid solution in...
06/19/2007
7175707P-type GaAs single crystal and its production method
A p-type GaAs single crystal containing Si, Zn, B and In as dopants has an average dislocation density of 100 cm−2 or less. It may be produced by cooling a GaAs melt containing Si, Zn, B and In as dopants in a crystal-growing container having a seed cry...
02/13/2007
7160525Monodisperse noble metal nanocrystals
Nanoparticle compositions of noble metals, and methods of making them, are described. The nanoparticle compositions are made by reacting a salt or complex of a noble metal, such as Au, Ag, Cu or Pt, with a weak ligand, and a reducing agent, in a single liquid phase....
01/09/2007
7160526Process for detoxification of CCA-treated wood
A chemical process for detoxifying spent CCA (copper, chrome, arsenic)—treated wood, from which CCA and detoxified wood are recovered for recycling comprising the steps of (a) treating CCA-treated wood in the presence of a liquefying reagent such as an organic sol...
01/09/2007
7157024Metal oxide particle and process for producing same
The present invention relates to a metal oxide particle comprising tin atom, zinc atom, antimony atom and oxygen atom, having a molar ratio SnO2:ZnO:Sb2O5 of 0.01–1.00:0.80–1.20:1.00 and having a primary particle diameter of 5 to...
01/02/2007
7138098Preparation of nanocrystallites
A method of manufacturing a nanocrystallite from a M-containing salt forms a nanocrystallite. The nanocrystallite can be a member of a population of nanocrystallites having a narrow size distribution and can include one or more semiconductor materials. Semiconductin...
11/21/2006
7128840Ultrasound enhanced process for extracting metal species in supercritical fluids
Improved methods for the extraction or dissolution of metals, metalloids or their oxides, especially lanthanides, actinides, uranium or their oxides, into supercritical solvents containing an extractant are disclosed. The disclosed embodiments specifically include e...
10/31/2006
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
7101520High luminescence phosphor particles and methods for producing the particles
Methods for producing metal/metalloid oxide particles comprise rare earth metals herein include reacting a reactant stream in a gas flow. The reactant stream includes a rare earth metal precursor and an oxygen source. A collection of particles comprising metal/metal...
09/05/2006
7074336Inorganic ion sorbents and methods for using the same
A process and medium for decontamination of water containing anionic species including arsenic and chromium, wherein compounds comprising divalent and trivalent metal oxides and sulfides are used to form surface complexes with contaminants under pH conditions within...
07/11/2006
7045066Method of arsenic immobilization in crystalline form from water
A method of removing arsenic from water by using a reactor that is provided with a fluidized bed of carriers is disclosed. An arsenic-containing influent is mixed in the reactor with a sulfide aqueous solution or metallic salt aqueous solution at a predetermined pH,...
05/16/2006
6926752Method for the stabilization of a fluidized bed in a roasting furnace
This invention relates to a method for stabilizing a fluidized bed used in roasting by adjusting the oxygen content of the roasting gas in the bed. The fine-grained material for roasting is fed into the furnace above the fluidized bed and the roasting gas, which cau...
08/09/2005
6887441High resistivity aluminum antimonide radiation detector
Bulk Aluminum Antimonide (AlSb)-based single crystal materials have been prepared for use as ambient (room) temperature X-ray and Gamma-ray radiation detection. ...
05/03/2005
6863825Process for removing arsenic from aqueous streams
Arsenic is removed from water and other aqueous feeds by (1) treating the feed with a compound containing cerium in the +4 oxidation state, preferably cerium dioxide, to oxidize arsenic in the +3 oxidation state to arsenic in the +5 oxidation state and (2) removing ...
03/08/2005
6861037Method of removal of impurities from gold concentrate containing sulfides
The present invention focuses on the method for the removal of impurities, such as tellurium and bismuth, from gold concentrate containing sulfides. According to the present method, the impurities are leached from the gold concentrate with the aid of an acidic aqueo...
03/01/2005
6855527Method of biotreatment for solid materials in a nonstirred surface bioreactor
A method of biotreating a solid material to remove an undesired compound using a nonstirred surface bioreactor is provided. According to the method, the surface of a plurality of coarse substrates is coated with a solid material to be biotreated to form a plurality ...
02/15/2005
6843617Stabilization of toxic metals in a waste matrix and pore water
A method is provided for stabilizing toxic materials in a waste matrix and in the pore water of the waste matrix. The method includes the steps of combining with the waste matrix (and pore water) an agent for controlling the oxidation-reduction potential of the matr...
01/18/2005
6835332PROCESS FOR PRODUCING AN ELECTRODE MATERIAL FOR A RECHARGEABLE LITHIUM BATTERY, AN ELECTRODE STRUCTURAL BODY FOR A RECHARGEABLE LITHIUM BATTERY, PROCESS FOR PRODUCING SAID ELECTRODE STRUCTURAL BODY, A RECHARGEABLE LITHIUM BATTERY IN WHICH SAID ELECTRODE STRUCTURAL BODY IS USED, AND A PROCESS FOR PRODUCING SAID RECHARGEABLE LITHIUM BATTERY
A process for producing an electrode material for a rechargeable lithium battery, comprising the steps of mixing a metal compound (a) of a metal (a′) capable of being electrochemically alloyed with lithium, a transition metal compound (b) of a transition metal (bâ...
12/28/2004
6827860Method for eliminating nickel ions and lead ions from ferrous salt solutions
Nickel and lead ions are eliminated from an acidic concentrated iron(II) salt solution by adding an alkali sulfide and precipitating nickel and lead sulphides. ...
12/07/2004
6734327Alkoxylation process using antimony catalyst
Novel active catalyst compositions comprising a compound or mixture of compounds represented by the formula SbFXmY4−m a complex of such a compound or mixture of such compounds being represented by the formula
05/11/2004
6645458Method for making an aqueous sodium chloride solution
Process for the manufacture of an aqueous sodium chloride solution, according to which a solid material comprising sodium chloride and heavy metals is dispersed in water, the aqueous medium thus obtained is alkalinized so as to precipitate the heavy metal...
11/11/2003
6603127Bismuth-213 generator and uses thereof
The present invention provides a generator capable of producing therapeutic Bismuth-213 doses. Also disclosed are methods of preparing Bismuth-213-labeled compounds using such generator and applications of the labeled compounds....
08/05/2003
6592831Vaporization and cracker cell method and apparatus
A method and apparatus for vaporizing and cracking chemical elements for use in a deposition process. The apparatus includes a vaporization cell integrally connected with a thermal cracker cell. The vaporization cell has an inlet section in communication ...
07/15/2003
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