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Class 423/511 - SULFUR OR COMPOUND THEREOF


Subclass of Class 423 - Chemistry of inorganic compounds
Definition: Products or processes wherein the product is sulfur or a
No. of patents: 103
Last issue date: 01/03/2012


1      
NumberTitleIssue Date
8088353Group II metal sulfide phosphor precursor and method for producing phosphor
A process for producing a Group II metal sulfide phosphor precursor, comprising adding to an organic solvent an aqueous solution containing at least one of a Group II element compound, a sulfurizing agent, and a compound containing any of copper, silver, manganese, ...
01/03/2012
7892519Rapid 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 increase in the efficiency of preparation of t...
02/22/2011
7887777Method and device for continuous production of hydrogen sulphide
Hydrogen sulfide H2S is prepared from a crude gas stream containing H2S and polysulfanes (H2Sx). The crude gas stream is passed at temperatures of from 114 to 165° C. through catalytically active material present in a ves...
02/15/2011
7645436Tractable metal oxide sols and nanocomposites therefrom
Tractable metal oxide sols are made by combining at least one metal oxide compound, at least one organofunctional silane, at least one boron oxide compound, and a liquid, or metal oxide sols are made by combining at least one metal oxide compound, at least one organ...
01/12/2010
7427382Cold-walled vessel process for compounding, homogenizing and consolidating semiconductor compounds
A method is provided for compounding, homogenizing and consolidating compounds. In one embodiment, the charge components are mixed in a controlled addition process, then the newly-formed compound is heated to become totally molten, followed by a rapid quench at room...
09/23/2008
7416717Synthesis of pentahalosulfur peroxides and monoxides
Provided are methods for producing pentahalosulfur peroxides and monoxides, such as bis-(pentafluorosulfur) peroxide, that involve exposing a composition comprising a pentahalosulfur hypohalite, and optionally a sulfur hexahalide or trihalomethyl hypohalite, to a ha...
08/26/2008
7393516Preparation 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 from periodic table groups 13-15; providing at least one chalcogen; an...
07/01/2008
7364716Surface modified nanoparticle and method of preparing same
The present disclosure relates to a nanoparticle containing at least one metal sulfide nanocrystal having a surface modified with a carboxylic acid, wherein the carboxylic acid has at least one aryl group. The present disclosure also describes a method of preparing ...
04/29/2008
7329399Hydrogen 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 metal salt of formula MX(OH), in which M represents a divalent trans...
02/12/2008
7309473Method for sulphurizing a UOpowder and method for making nuclear fuel pellets based on UOor mixed oxide (U,Pu)Ooxide with added sulphur
Sulphidation method for a UO2 powder, in which said powder is sulfurated by bringing it into contact with a gaseous sulphidation agent. Method for manufacturing nuclear fuel pellets based on uranium oxide, or mixed oxide of uranium and plutonium, f...
12/18/2007
7282192Mixed metal oxide containing sulfur
The invention relates to a composition of matter comprising at least one metal from Group 3, at least one metal from Group 4, sulfur and oxygen, particularly useful as a catalyst for ether decomposition to alkanols and alkenes. ...
10/16/2007
7247284Method and apparatus for regeneration of flue gas scrubber caustic solutions
A process to regenerate wet flue gas scrubber purge liquid into NaOH caustic suitable for make-up caustic for the scrubber is disclosed. Further, sulfur is removed from waste effluent in the form of gypsum with the process described herein. Lime is added to the spen...
07/24/2007
7238331Process 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 rapidly reacting to form deposits; (b) supplying the at least two reac...
07/03/2007
7229602Method 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 electrophilic group. The reaction forming metal chalcogenide particles...
06/12/2007
7128891Process of making metal containing iron oxide and iron sulfide based nanoparticle materials
A method and structure for making magnetite nanoparticle materials by mixing iron salt with alcohol, carboxylic acid and amine in an organic solvent and heating the mixture to 200–360 C is described. The size of the particles can be controlled either by changing t...
10/31/2006
7101527Mixed anion materials and compounds for novel proton conducting membranes
The present invention provides new amorphous or partially crystalline mixed anion chalcogenide compounds for use in proton exchange membranes which are able to operate over a wide variety of temperature ranges, including in the intermediate temperature range of abou...
09/05/2006
7074381Process for producing ammonium polythiomolybdate
A process for preparation of an ammonium polythiomolybdate or a hydrate thereof of the formula (NH4)2Mo3S13.n H2O where n is 0, 1 or 2, in which aqueous ammonium monosulfide, elemental sulfur and molybdic oxide ...
07/11/2006
7060206Synthesis of metal compounds under carbothermal conditions
Active materials of the invention contain at least one alkali metal and at least one other metal capable of being oxidized to a higher oxidation state. Preferred other metals are accordingly selected from the group consisting of transition metals (defined as Groups ...
06/13/2006
7018603Synthesis of lithium iron sulphides and their use as cathodes
A process for the production of a lithium transition metal sulphide such as lithium iron sulphide, the process comprising reacting a transition metal sulphide with lithium sulphide in a solvent comprising a molten salt or a mixture of molten salts. Lithium transitio...
03/28/2006
6953565Process for producing ammonium polythimolybdate
A process for producing an ammonium polythiomolybdate of the formula (NH4)2Mo3S13.n H2O where n is 0, 1 or 2 in which an aqueous ammoniacal molybdate solution is reacted with hydrogen sulfide gas in a closed sys...
10/11/2005
6946108Flue gas desulfurization apparatus and flue gas desulfurization system, and method for operating flue gas desulfurization apparatus
A flue gas desulfurization apparatus includes at least one activated carbon fiber board 20 provided in a catalyst unit 6, the board being formed by alternatingly juxtaposing one or more plate-like activated carbon fiber sheets and one or more corrugate...
09/20/2005
6906235Iron sulfide mixtures; iron sulfide heavy metal treating agents; and methods of treating using such agents
Novel iron sulfides having excellent durability and excellent treating properties of heavy metals, processes for producing the iron sulfides, iron sulfide mixture, a heavy metal treating agent containing either of these novel iron sulfides as an effective component,...
06/14/2005
6861038Ceramics and method of producing ceramics
A method of continuously producing a non-oxide ceramic formed of a metal constituent and a non-metal constituent. A salt of the metal constituent and a compound of the non-metal constituent and a compound of the non-metal constituent are introduced into a liquid alk...
03/01/2005
6833083Thermoelectric material and thermoelectric converting element using the same
Compounds are expressed by general formula of AxBC2−y where 0≦x≦2 and 0≦y
12/21/2004
6833127Method of removing structure directing agents from molecular sieves
A structure directing agent is removed from a microporous solid at a temperature below the temperature that would cause the structure directing agent to decompose by cleaving the structure directing agent within the pores of the microporous solid, at a temperature b...
12/21/2004
6821677Negative electrode active material and nonaqueous electrolyte battery
A nonaqueous electrolyte battery includes a positive electrode containing a positive electrode active material, a negative electrode containing a sulfide containing Fe, and a nonaqueous electrolyte including a nonaqueous solvent and a solute dissolved in the nonaque...
11/23/2004
6740301Process for producing a lithium transition metal sulphide
A process for the production of a lithium transition metal sulphide such as lithium iron sulphide, the process comprising reacting a transition metal sulphide with lithium sulphide in a solvent comprising molten sulphur. Lithium transition metal sulphides obtained u...
05/25/2004
6682713Iron sulfides, processes for producing the same, iron sulfide mixture, heavy metal treating agent, and method of treating with the agent
Novel iron sulfides having excellent durability and excellent treating properties of heavy metals, processes for producing the iron sulfides, iron sulfide mixture, a heavy metal treating agent containing either of these novel iron sulfides as an effective...
01/27/2004
6652819Production of high purity vanadium compound from vanadium-containing carbonaceous residues
A process for the production of a vanadium compound from carbonaceous residues containing vanadium, which includes the steps of: (a) combusting the carbonaceous residues at a temperature of 500-690° C. in an oxygen-containing gas to form vanadium-containi...
11/25/2003
6610265Method and system for desulfurizing gasoline or diesel fuel for use in a fuel cell power plant
A fuel processing system is operative to remove substantially all of the sulfur present in a logistic fuel stock supply. The fuel stock can be gasoline, diesel fuel, or other like fuels which contain relatively high levels of organic sulfur compounds such...
08/26/2003
6589695Positive active material for rechargeable lithium battery and method of preparing same
Disclosed is a method of preparing a positive active material for a rechargeable lithium battery. In this method, a lithium salt is reflux-reacted with a metal salt in a basic solution. The positive active material has a spherical or sperical-like form, d...
07/08/2003
6555087Procedure for the production of polymeric sulfur
A procedure for the production of polymeric sulfur with improved stability that comprises the stages of: (a) cooling in a vessel for rapid cooling the sulfur vapor from the vaporization of molten sulfur, by bringing it into direct contact with a refrigera...
04/29/2003
6461581Clathrate compounds and manufacturing method thereof
The present invention provides a clathrate compound which can be used as a thermoelectric material, a hard material, or a semiconductor material. Silicon or carbon are formed into a clathrate lattice, and a clathrate compound is then formed in which speci...
10/08/2002
6451729Method for preparing a highly active, unsupported high surface-area MoS2 catalyst
The present invention is a new and simple method of decomposing ammonium tetrathiomolybdate (ATTM) in an organic solvent with added water under H2 pressure. Model compound reactions of 4-(1-naphthylmethyl)bibenzyl (NMBB) were carried out at 350...
09/17/2002
6379585Preparation of sulphides and selenides
Sulphides and selenides are prepared by dissolving sulphur or selenium in an aqueous or non-aqueous solution of hydrazine hydrate. The solution is combined with a solution of an appropriate cation to precipitate the corresponding sulphide or selenide. Sol...
04/30/2002
6221473Rare-earth and alkali sulphide, method for preparing same and use thereof as a pigment
The present invention concerns a sulfide of a rare earth and an alkali, a process for its preparation and its use as a colored pigment. The sulfide is characterized in that it has the formula ABS2 where A represents at least one alkali and B re...
04/24/2001
6193908Electroluminescent phosphor powders, methods for making phosphor powders and devices incorporating same
Electroluminescent phosphor powders and a method for making phosphor powders. The phosphor powders have a small particle size, narrow particle size distribution and are substantially spherical. The method of the invention advantageously permits the econom...
02/27/2001
6156693Method for preparing a highly active, unsupported high-surface-area ub . MoS.s2 catalyst
The present invention is a new and simple method of decomposing ammonium tetrathiomolybdate (ATTM) in an organic solvent with added water under H2 pressure. Model compound reactions of 4-(1-naphthylmethyl)bibenzyl (NMBB) were carried out at 350...
12/05/2000
6126702Apparatus and method for treating sesquisulfate waste streams
The specification discloses an apparatus and method for treating a slurry containing sodium sesquisulfate to recover sulfate and acid constituents therefrom. The apparatus includes a treatment vessel having a separation wall delineating a clarifying zone ...
10/03/2000
6086842Recycling of sodium hydroxide and production of gypsum from dry flue gas desulfurization
The present invention is directed towards a system that makes high quality gypsum from a dry flue gas desulfurization process which utilizes a low temperature regeneration of the carbon adsorbent in the flue gas process. The high quality gypsum is easily ...
07/11/2000
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