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8142755 |
Porous copper sulfide nano/micro hollow sphere and method for preparing the same
The present invention relates to a porous copper sulfide nano/micro hollow sphere and a method for preparing the same. The porous copper sulfide nano/micro hollow sphere of the present invention...
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8093175 |
Mineral composition capable of trapping hydrogen, preparation method and uses
The invention relates to a composition capable of trapping hydrogen comprising: (a) at least one mineral compound of formula (I) below: MX(OH) (I) in which: M represents a divalent transition...
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8080229 |
Water soluble nanocrystalline quantum dots
An economic, direct synthetic method for producing water soluble QDs that are ready for bioconjugation is provided. The method can produce aqueous QDs with emission wavelengths varying from 400 nm...
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8012448 |
Synthesis of metal chalcogenide nanocrystals using organodichalcogenide reagents
A method of synthesizing metal chalcogenide nanocrystals involving the steps of combining an organodichalcogenide, a metal salt and a ligand compound to form a mixture; degassing the mixture to...
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8007756 |
Process for the synthesis of nanotubes and fullerene-like nanostructures of transition metal dichalcogenides, quasi one-dimensional structures of transition metals and oxides of transition metals
The object of the invention is a process for the synthesis of nanotubes of transition metal dichalcogenides, of fullerene-like nanostructures of transition metal dichalcogenides, of nanotubes of...
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8003070 |
Methods for forming particles from single source precursors
Single source precursors are subjected to carbon dioxide to form particles of material. The carbon dioxide may be in a supercritical state. Single source precursors also may be subjected to...
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7985388 |
Process for making nano-sized and micro-sized precipitate particles
There is disclosed a process of making nano-sized or micro-sized precipitate particles. The process comprising the steps of mixing, in a reaction zone, a metal salt solution with a precipitant...
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7976819 |
Water soluble nanocrystalline quantum dots
An economic, direct synthetic method for producing water soluble QDs that are ready for bioconjugation is provided. The method can produce aqueous QDs with emission wavelengths varying from 400 nm...
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7964165 |
Separation method for zinc sulfide
The separation method for zinc sulfide, in the hydrometallurgical process by a High Pressure Acid Leach for nickel oxide ore comprising leaching and solid/liquid separation step, neutralization...
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7959891 |
Process and apparatus for producing inorganic fullerene-like nanoparticles
The present invention provides a process for obtaining fullerene-like metal chalcogenide nanoparticles, comprising feeding a metal precursor selected from metal halide, metal carbonyl,...
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7955588 |
Metal sulfide catalysts and methods of making same
Methods and apparatus relate to catalysts and preparation of the catalysts, which are defined by sulfides of a transition metal, such as one of molybdenum, tungsten, and vanadium. Precursors for...
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7906084 |
Method for control of shape and size of PB-chalcogenide nanoparticles
Disclosed is a method for producing, controlling the shape and size of, Pb-chalcogenide nanoparticles. The method includes preparing a lead (Pb) precursor containing Pb and a carboxylic acid...
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7892519 |
Rapid synthesis and size control of chalcopyrite-based semi-conductor nanoparticles using microwave irradiation
CuInS2 nanoparticles have been prepared from single source precursors via microwave irradiation. Also, CuInGaS2 alloy nanoparticles have been prepared. Microwave irradiation methods have allowed an...
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7850943 |
Method of preparing cadmium sulfide nanocrystals emitting light at multiple wavelengths, and cadmium sulfide nanocrystals prepared by the method
A semiconductor nanocrystal, wherein the semiconductor nanocrystal shows maximum luminescence peaks at two or more wavelengths and most of the atoms constituting the nanocrystal are present at the...
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7829059 |
Rapid synthesis of ternary, binary and multinary chalcogenide nanoparticles
A method for synthesizing a chalcogenide nanoparticle is provided. The method comprises reacting a metal component with an elemental chalcogen precursor in the presence of an organic solvent. The...
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7824653 |
Water soluble quantum dots
An economic, direct synthetic method for producing water soluble QDs that are ready for bioconjugation is provided. The method can produce aqueous QDs with emission wavelengths varying from 400 nm...
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7820135 |
Catalyst composition with nanometer crystallites for slurry hydrocracking
A process and apparatus is disclosed for converting heavy hydrocarbon feed into lighter hydrocarbon products. The heavy hydrocarbon feed is slurried with a catalyst comprising iron oxide and...
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7811543 |
Controlled synthesis of nanoparticles using continuous liquid-flow aerosol method
A method and apparatus for producing surface stabilized nanometer-sized particles includes the steps of mixing reactants, a surface-stabilizing surfactant, and a high boiling point liquid to form a...
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7799311 |
Processes for producing synthetic pyrite
Process of making high purity, synthetic FeS2, and an electrochemical battery employing such synthetic FeS2 in the positive electrode. Synthetic FeS2 may be prepared by a sulfidation process...
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7776129 |
Apparatus and process for making high purity nickel
An improved method of reducing a mixed metal oxide composition comprising oxides of nickel, cobalt, copper and iron in a hydrogen atmosphere to produce a mixture of the respective metals, the...
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7731932 |
Methods of processing nanocrystals, and compositions, devices and systems including same
Methods of processing nanocrystals to remove excess free and bound organic material and particularly surfactants used during the synthesis process, and resulting nanocrystal compositions, devices...
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7692058 |
Mercury contamination extraction
Mercury is removed from contaminated waste by firstly applying a sulfur reagent to the waste. Mercury in the waste is then permitted to migrate to the reagent and is stabilized in a mercury sulfide...
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7670584 |
Inorganic metal chalcogen cluster precursors and methods for forming colloidal metal chalcogenide nanoparticles using the same
Methods for forming colloidal metal chalcogenide nanoparticles generally include forming soluble inorganic metal chalcogen cluster precursors, which are then mixed with a surfactant and heated to...
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7641869 |
Method and apparatus for producing inorganic fullerene-like nanoparticles
A process and apparatus are presented for obtaining inorganic fullerene-like nanostructures. A metal oxide is evaporated at predetermined temperature conditions, and is swept towards a reacting...
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7641886 |
Process and apparatus for producing inorganic fullerene-like nanoparticles
The present invention provides a process for obtaining fullerene-like metal chalcogenide nanoparticles, comprising feeding a metal precursor (INi) selected from metal halide, metal carbonyl,...
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7601320 |
System and methods for producing oil and/or gas
A system including a mechanism for recovering oil and/or gas from an underground formation, the oil and/or gas comprising one or more sulfur compounds; a mechanism for converting at least a portion...
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7597870 |
Water soluble quantum dots
An economic, direct synthetic method for producing water soluble QDs that are ready for bioconjugation is provided. The method can produce aqueous QDs with emission wavelengths varying from 400 nm...
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7591990 |
Processes for preparing chalcopyrite-type compounds and other inorganic compounds
There is provided a process for preparing compounds of formula M3M1A2. The process comprises reacting a compound of formula M2M1A2 with a compound of formula M3X2, in the presence of at least one...
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7588527 |
Process for the disposal of sulfur in the form of compounds liquid at room temperature
Process for the disposal of sulfur in the liquid state which comprises: a) transforming elemental sulfur into sulfanes having the general formula H2Sn+1, wherein n is a number from 1 to 7; b)...
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7566435 |
Nanowires and method for making the same
A method for preparing nanowires is disclosed, which comprises the following steps: (a) providing a first precursor solution containing IIB group elements, and a second precursor solution...
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7524481 |
Reactors for producing inorganic fullerene-like tungsten disulfide hollow nanoparticles and nanotubes
The present invention is related to an apparatus for the production of inorganic fullerene-like (IF) nanoparticles and nanotubes. The apparatus comprises a chemical reactor, and is further...
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7468146 |
Metal chalcogenide composite nano-particles and layers therewith
A metal chalcogenide composite nano-particle comprising a metal capable of forming p-type semiconducting chalcogenide nano-particles and a metal capable of forming n-type semiconducting...
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7455825 |
Method for manufacturing metal sulfide nanocrystals using thiol compound as sulfur precursor
Disclosed herein is a method for manufacturing metal sulfide nanocrystals using a thiol compound as a sulfur precursor. The method comprises reacting the thiol compound and a metal precursor in a...
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7455823 |
Process for the preparation of micron/nano sized inorganic material
The invention discloses methods for making micron/nano meter sized particles of various inorganic materials such as minerals/oxides/sulphides/metals/ceramics at a steadily expanding liquid-liquid...
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7426959 |
Systems and methods for producing oil and/or gas
A system including a mechanism for recovering oil and/or gas from an underground formation, the oil and/or gas comprising one or more sulfur compounds; a mechanism for converting at least a portion...
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7402547 |
Systems and methods of producing a crude product
Contact of a crude feed with one or more catalysts produces a total product that includes a crude product. The crude feed has a residue content of at least 0.2 grams of residue per gram of crude...
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7393516 |
Preparation of metal chalcogenides from reactions of metal compounds and chalcogen
A method of preparing metal chalcogenides from elemental metal or metal compounds has the following steps: providing at least one elemental metal or metal compound; providing at least one element...
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7335345 |
Synthesis of water soluble nanocrystalline quantum dots and uses thereof
An economic, direct synthetic method for producing water soluble QDs that are ready for bioconjugation is provided. The method can produce aqueous QDs with emission wavelengths varying from 400 nm...
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7329399 |
Hydrogen trapper compound, method for the production and uses thereof
A hydrogen-trapping compound is provided, along with a process for manufacturing the compound, and its uses, wherein the hydrogen-trapping compound is characterized in that it contains at least one...
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7267810 |
Method of synthesizing colloidal nanocrystals
A method of making nanocrystals involves adding a chalocogen source to a hot solution of a metal-containing non-organometallic compound, such as CdO, in a first ligand solvent, such as TOP, and...
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7255846 |
Methods for synthesis of semiconductor nanocrystals and thermoelectric compositions
The present invention provides methods for synthesis of IV–VI nanostructures, and thermoelectric compositions formed of such structures. In one aspect, the method includes forming a solution of a G...
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7247291 |
Nano sized sulfide compounds of cerium and a process for the preparation thereof
The present invention relates to nano sized sulfide compounds of cerium and a process for the preparation thereof. More particularly, the present invention provides novel nano sized particles of...
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7238331 |
Process for producing nano-powders and powders of nano-particle loose aggregate
The present invention discloses a process for producing nano-powders and powders of nano-particle loose aggregate, which includes: (a) providing at least two reactant solutions A and B capable of...
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7229602 |
Method of preparing metal chalcogenide particles
A method of preparing metal chalcogenide particles. The method comprising the step of reacting an amine and metal complex precursors. The metal complex precursors comprising a chalcogenide and an...
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7211230 |
Process for producing nanometer grade powders
The present invention discloses a process for producing nanometer powders, comprising the following steps: (a) providing reactant solution A and reactant solution B that can rapidly react to form...
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7208133 |
Method for the preparation of IV-VI semiconductor nanoparticles
A high temperature non-aqueous synthetic procedure for the preparation of substantially monodisperse IV-VI semiconductor nanoparticles is provided. The procedure includes introducing a first...
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7186391 |
Sintered compact of lanthanum sulfide or cerium sulfide and method for preparing the same
The present invention provides a lanthanum sulfide or cerium sulfide sintered compact usable as a thermoelectric conversion material having a high Seebeck coefficient. The sintered compact has a...
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7153541 |
Method for inhibiting oxidation of metal sulfide-containing material
The present invention provides means for inhibiting the oxidation of a metal sulfide-containing material, such as ore mine waste rock or metal sulfide taiulings, by coating the metal...
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7138098 |
Preparation 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...
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7132386 |
Preparation of amorphous sulfide sieves
The present invention involves methods and compositions for synthesizing catalysts/porous materials. In some embodiments, the resulting materials are amorphous sulfide sieves that can be...
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