Patents
Patents for C01B 21 - Nitrogen; Compounds thereof (10,781)
10/2005
10/06/2005US20050220694 Method for producing nitrides
10/06/2005US20050220690 Method for producing cubic boron nitride
10/06/2005US20050217315 Purification of a bulk liquid is performed by introducing a liquid stream to a purification vessel, which comprises both a distillation chamber for forming a purified vapor and an annular chamber for collecting a purified liquid that is condensed from the purified vapor
10/06/2005US20050217249 Exhaust gas purification device of internal combustion engine
10/06/2005US20050217248 Exhaust gas purification device of internal combustion engine
10/05/2005EP1582504A1 Method and system for producing inert gas from combustion by-products
10/05/2005EP1581333A1 Apparatus for producing nitrate granules
10/05/2005CN1221302C Purification of gas
10/04/2005US6951583 Milling; crystallization; improved aspect ratio
09/2005
09/29/2005WO2005090887A1 Use of cryogenic temperatures in processing gases containing light components with physical solvents
09/29/2005WO2005090633A1 Process for producing material film and material film production apparatus
09/29/2005WO2005089942A1 GaN PHOTOCATALYST
09/29/2005US20050214644 Silicon composite particles, preparation thereof, and negative electrode material for non-aqueous electrolyte secondary cell
09/29/2005US20050214193 Producing research, semiconductors and/or medical grade material; passage of impure gas through alkali and earth alkali metal hydroxide filter then through molecular sieves; low cost
09/29/2005US20050214192 Recovery of sodium thiocyanate from industrial process solution using nanofiltration technique
09/29/2005US20050211626 Methods for making microporous ceramic materials
09/29/2005CA2557871A1 Use of cryogenic temperatures in processing gases containing light components with physical solvents
09/28/2005EP1578690A1 Method for the production of nitrate-containing precursors for metal oxides and oxocuptrate superconductors
09/28/2005CN1674325A Silicon composite particles, preparation thereof, and negative electrode material for non-aqueous electrolyte secondary cell
09/28/2005CN1673070A Temperature-controlling activated self-spreading combustion process of synthesizing alpha-phase SiN powder
09/28/2005CN1672776A Process for the purification of NF3
09/23/2005CA2502051A1 Method and system for producing inert gas from combustion by-products
09/22/2005WO2005087659A1 Method for removing tetrafluormethane from nitrogen trifluoride
09/22/2005US20050208320 Iron nitride magnetic powder and method of producing the powder
09/22/2005US20050207956 reducing sulfur oxides (SOx), nitrogen oxides (NOx) and carbon monoxide (CO) emissions from a fluid stream, using adsorber materials comprising oxides of magnesium, aluminum and other metals on supports; pollution control
09/22/2005US20050205838 Chemical mechanical polishing process
09/22/2005US20050204729 Exhaust gas purification device of internal combustion engine
09/21/2005EP1577907A2 Iron nitride magnetic powder and method of producing the powder
09/21/2005EP1577632A1 Apparatus for treating highly corrosive agents
09/21/2005CN2726319Y Air conditioning machine for nitrogen production by pressure swing adsorption process
09/21/2005CN1670870A Iron nitride magnetic powder and method of producing the powder
09/21/2005CN1669914A Preparation method of nano silver sol
09/21/2005CN1219739C All fluoride purifying method
09/21/2005CN1219695C Method for preparing titanium nitride fine powder by liquid-phase reduction
09/20/2005US6946112 Method for reversible storage of hydrogen and materials for hydrogen storage
09/15/2005WO2005085138A1 Chemically stable solid lithium ion conductors
09/15/2005WO2005084783A1 A device for optimising the production of gaseous nitrogen using hollow fibre separation membranes
09/15/2005WO2005071336A3 Boron nitride reaction capsule/vessel
09/15/2005US20050202966 Alulmina, zirconia or ceria as catalyst carrier and a coating made of rhodium, rhodium/palladium alloy or rhodium oxide applied thereto, ensures to yield nitrogen oxide NO with a particularly low content of laughing gas ( N2O )
09/15/2005US20050202175 reacting methylamine with chlorides of aluminum, boron, gallium, indium, phosphorus, silicon, titanium, vandium or zirconium, to form compounds such as dichloroborylmethyltrichlorosilylamine used as chemical intermediates for nonoxidic ceramics
09/15/2005US20050199325 separation of multicompartment to improve the effectivity and reliability of the gas generation and neutralisation; sodium slag reacts with sulphur to form sodium sulphide (Na2S); producing sulphur at the spatial and/or temporal interval; inflation of airbags
09/15/2005US20050198999 Use of cryogenic temperatures in processing gases containing light components with physical solvents
09/14/2005EP1572584A2 Nanostructures
09/14/2005CN1668532A Production of a zeolite-containing solid
09/14/2005CN1666809A Gas-regulating method and equipment for nitrogen production by pressure swing absorption method
09/13/2005US6942762 Method for the production of a salt-free aqueous hydroxylamine solution
09/09/2005WO2005082808A1 Sinterable nanopowder ceramic material and method for synthesis thereof
09/09/2005WO2005082779A2 Method for producing nitric acid and plant suitable for carrying out said method
09/08/2005US20050196333 in lean exhaust gas by selective catalytic reduction using ammonia, where a fraction of the nitrogen monoxide present in the exhaust gas is oxidized to nitrogen dioxide prior to contacting the reduction catalyst; improves catalyst life and activity
09/08/2005DE102004008745A1 Reducing nitrogen oxide emission during nitric acid preparation comprises catalytically producing ammonia; providing and combusting the ammonia in a nitric acid plant; washing nitrogen oxide containing gas; and recycling residual gas
09/07/2005EP1569872A1 Process for mixing an acidic aqueous solution comprising hydroxylammonium and phosphate with nitric acid
09/07/2005CN1665744A Method for calcium nitride synthesis
09/07/2005CN1217854C Spiral thick nitric acid bleaching tower and preparation of thick nitric-acid
09/06/2005US6939643 Lithium-material comprising an intermetallic lithium/transition metal pnictide phase for lithium batteries
09/01/2005WO2005080267A2 Reactor and process
09/01/2005WO2005080266A1 Method for producing a reversible hydrogen storage medium with high storage capacity and ultrafast kinetics
09/01/2005WO2005080265A2 Process for preparing lithium amide and a composition obtainable by said process
09/01/2005US20050191236 Mixed hydrogen generation material
09/01/2005CA2556328A1 Process for preparing lithium amide and a composition obtainable by said process
09/01/2005CA2555770A1 Reactor and process
08/2005
08/31/2005EP1232125B1 Germanium silicon oxynitride high index films for planar waveguides
08/31/2005EP1076633B1 Reactive matrix for removing moisture from a fluorine containing gas and process
08/31/2005CN1662448A Process for manufacturing a gallium rich gallium nitride film
08/31/2005CN1660468A Separating method of mixed gas, nitrogen separator and its consumption system
08/31/2005CN1216798C Technique for preparing silicon nitride powders with high alpha phase by using plasma chemical vapor phase process
08/25/2005US20050186130 mixing air comprising oxygen and nitrogen, with a reducing gas, then feeding the mixture into a chemical reactor, where oxygen is reduced producing an effluent gas comprising nitrogen and water and separation of nitrogen for use in well completion
08/25/2005US20050183853 Device for optimizing the production of gaseous nitrogen using hollow fiber separation membranes
08/24/2005CN1657404A Method for synthesizing silicon nitride powder by atmospheric pressure combustion
08/24/2005CN1657138A Purification of hydride gases
08/24/2005CN1216010C Process for synthesizing superfine aluminium nitride powder by self-spreading
08/24/2005CN1215979C Process for producing fine calcium carbonate by wet carbon solidification method using industrial flue
08/24/2005CN1215972C Method for synthesizing crystallites and block crystals of nitride by multistep reaction in-situ under hydrothermal condition
08/23/2005US6933331 Nanotechnology for drug delivery, contrast agents and biomedical implants
08/18/2005WO2005075352A1 Method and apparatus for producing slush nitrogen
08/18/2005US20050180905 Multi-stage heat absorbing reactor and process for SCR of NOx and for oxidation of elemental mercury
08/18/2005DE102005003503A1 Herstellung von hochreiner und hochkonzentrierter Hydroxylamin freie Base Production of highly pure and highly concentrated hydroxylamine free base
08/18/2005CA2546183A1 Method and apparatus for producing slush nitrogen
08/17/2005EP1562854A2 Enrichment of oxygen for the production of hydrogen from hydrocarbons with co2 capture
08/11/2005US20050176249 Controlled growth of gallium nitride nanostructures
08/11/2005US20050173094 Particulate aluminum nitride and method for producing thereof
08/10/2005EP1560804A1 A process for the mononitration of alkanediols
08/10/2005EP1560789A2 Production of gaseous chloramine
08/10/2005CN1213943C Process for producing nitrogen trifluoride and use thereof
08/09/2005US6927967 Capacitor substrates made of refractory metal nitrides
08/04/2005WO2005071336A2 Boron nitride reaction capsule/vessel
08/04/2005WO2005070823A1 Method of producing salts of dinitramidic acid
08/04/2005WO2005070822A1 Continuous pusher-type furnacing system for the production of high-quality uniform boron nitride
08/04/2005WO2005059973A3 Controlled growth of gallium nitride nanostructures
08/03/2005EP1558523A1 Method and device for supporting catalyst gauzes in an ammonia oxidation burner
08/03/2005CN1648035A Preparation of a high purity and high concentration hydroxylamine free base
08/02/2005US6924003 Method of processing a nanotube using a selective solid state reaction
07/2005
07/28/2005US20050164143 Continuous pusher-type furnacing system for the production of high-quality uniform boron nitride
07/28/2005US20050163698 Novel graphite nanocatalysts
07/28/2005US20050163695 Process for the purification of NF3
07/28/2005US20050163694 Hydroxylammonium sulfate, sodium hydroxide, ammonia; hydroxyanthraquinone stabilizer feed to reactor at a low temperature; fluidized bed ion exchange resin; reduced risks of explosion
07/28/2005US20050160678 Apparatus for processing plasma with microwaves and melting, grinding of alloys or nitrides
07/27/2005EP1556308A1 Method for production of nitrate-containing products from undercooling melts
07/27/2005CN1646428A Method for purifying solutions containing cyanamide
07/27/2005CN1646422A Method for producing nitrides and their uses as fluorescent marks and leds
07/27/2005CN1645559A Method for synthesizing cadmium selenide and quantum point with cadmium selenide cadmium sulfide nucleocapsid structure
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