Patents
Sitemap › C01 - Inorganic chemistry › C01B - Non-metallic elements; Compounds thereof › C01B 21 - Nitrogen; Compounds thereof
Patents for C01B 21 - Nitrogen; Compounds thereof (10,781)
10/2012
10/09/2012US8282903 Method for recovering nitric acid and purifying silver nitrate electrolyte
10/09/2012US8282901 Integration of catalytic CO2 oxidation and oxyfuel sour compression
10/04/2012WO2012134521A1 Systems and methods of producing chemical compounds
10/04/2012WO2012134424A2 Purification of barium ion source
10/04/2012WO2012130869A1 Cubic boron nitride crystal, bodies comprising same and tools comprising same
10/04/2012US20120252999 Production of chemical compounds
10/04/2012US20120251431 Method for producing nitride crystal
10/04/2012US20120251430 Nitrogen oxide and hydrocyanic acid production method
10/04/2012US20120251429 Systems and methods of producing chemical compounds
10/04/2012US20120251428 Crystal growing apparatus, method for manufacturing nitride compound semiconductor crystal, and nitride compound semiconductor crystal
10/04/2012CA2828092A1 Systems and methods of producing chemical compounds
10/03/2012EP2505551A1 Fluorosulfonyl imide salt and method for producing fluorosulfonyl imide salt
10/03/2012CN202465276U Device for producing pure nitric oxide gas
10/03/2012CN202465275U Compressed air purification system of nitrogen making device
10/03/2012CN102712475A Method for producing nitric acid by means of a load-controllable production system
10/03/2012CN102701163A Titanium nitride nanometer material having three-dimensional connected pore channel structure and preparation method of titanium nitride nanometer material
10/03/2012CN101869797B Method and apparatus for extracting high-purity nitrogen from air
10/03/2012CN101115679B Hydrocarbon conversion using molecular sieve ssz-70
10/03/2012CN101090953B Nitride red phosphor and process for producing the same
09/2012
09/27/2012WO2012128964A1 Method of making fluorosulfonylamine
09/27/2012WO2012128263A1 Process for producing nitride crystal
09/27/2012US20120244356 Ferromagnetic particles and process for producing the same, anisotropic magnet and bonded magnet
09/27/2012US20120244062 Method for preparing nitride nanomaterials
09/26/2012EP2501647A1 Method for preparing a solution including monochloramine
09/26/2012CN202449859U Device for purifying inorganic acid reagent
09/26/2012CN202449858U Pressure swing adsorption nitrogen generating machine
09/26/2012CN102115046B Method for ensuring shaft furnace device to continuously produce vanadium nitride
09/26/2012CN101218171B Hydroxylammonium continuous production process
09/20/2012US20120237431 Production method, production vessel and member for nitride crystal
09/19/2012EP2500333A1 Method for producing -sialon phosphor
09/19/2012CN102686511A Process for production of spherical aluminum nitride powder, and spherical aluminum nitride powder produced by the process
09/19/2012CN102674272A Preparation method of catalyst TiN for synthesizing NaAlH4
09/19/2012CN102674271A Method for preparing boron nitride nanotube
09/13/2012WO2012121031A1 Nitrogen-containing carbon compound
09/13/2012US20120230906 Method of making fluorosulfonylamine
09/12/2012EP2497812A1 Process for producing -sialon fluorescent material
09/12/2012EP2496519A1 Method for producing nitric acid by means of a load-controllable production system
09/12/2012CN202430007U Hyperpure nitrogen deoxygenation purifier with early warning mechanism
09/12/2012CN102666373A Method for producing alkali metal nitride or alkaline earth metal nitride
09/12/2012CN102659174A Method for preparing gallium nitride/zinc sulfide nano heterojunction by two-step method
09/12/2012CN102659088A Water-phase synthesis method of sodium azide
09/12/2012CN102659087A A method for preparing titanium nitride by utilizing in-situ carbothermal reduction-nitridation
09/12/2012CN102659086A Preparation method of silicon nitride nanometer fiber felt
09/12/2012CN102659085A Porous boron nitride and preparation method thereof and application of porous boron nitride in cigarette filters
09/12/2012CN102657996A Double-tower low-pressure method for acquiring CO2 in flue gas
09/11/2012US8263036 Method for manufacturing nitric acid
09/07/2012WO2012118394A1 Method for producing cubic boron nitride powder
09/07/2012WO2012118063A1 Manufacturing method for fluorine-containing sulfonyl imide salt
09/07/2012WO2012117961A1 Manufacturing method for fluorosulfonylimide ammonium salt
09/07/2012CA2826547A1 Production process for fluorosulfonylimide ammonium salt
09/07/2012CA2826375A1 Process for producing fluorine-containing sulfonylimide salt
09/06/2012US20120225005 Method for producing alkali metal nitride or alkaline earth metal nitride
09/06/2012US20120223417 Group iii nitride crystal substrate, epilayer-containing group iii nitride crystal substrate, semiconductor device and method of manufacturing the same
09/06/2012DE102011005127A1 Verfahren zur Entwässerung von Nitrat-Hydraten A method for dewatering of nitrate hydrates
09/05/2012CN102344847B Carbon nitride solid particles and diesel engine oil composition containing same
09/05/2012CN102249406B Method and deoxidization reactor for producing nitrogen by utilizing organic wastewater
09/05/2012CN102120568B Method for preparing boron nitride nanorod by using precursor conversion method
09/05/2012CN101243011B Method of producing group 13 metal nitride crystal, method for manufacturing semiconductor device, and solution and melt used in those methods
08/2012
08/30/2012WO2012113516A1 Method for removing n2o and νοx from the nitric acid production process, and an installation suitable for same
08/30/2012US20120217503 METHOD OF MANUFACTURING GaN POWDER AND NITRIDE-BASED LIGHT EMITTING DEVICE USING GaN POWDER MANUFACTURED BY THE METHOD
08/30/2012CA2825669A1 Method for removing n2o and nox from the nitric acid production process, and an installation suitable for same
08/29/2012EP2492927A1 Ferromagnetic particle powder, method for producing same, anisotropic magnet and bonded magnet
08/29/2012CN102649545A Nitric acid pre-concentration method for waste acid concentration technology in production of dinitrotoluene
08/29/2012CN102649544A Multifunctional nitrogen making machine
08/29/2012CN102649027A Air separating device
08/29/2012CN101961591B Multi-cycle normal temperature air separation system and method
08/29/2012CN101235705B All-cover type skid-mounted film separation and nitrogen-making device
08/23/2012WO2012112282A1 Systems and methods for recovering nitric acid from pickling solutions
08/23/2012WO2012110780A1 Catalysts for use in ammonia oxidation processes
08/23/2012DE102011011881A1 Verfahren zur Beseitigung von N2O und NOX aus dem Prozess zur Salpetersäureherstellung Process for the reduction of N2O and NOX from the process for nitric acid production
08/23/2012CA2826559A1 Systems and methods for recovering nitric acid from pickling solutions
08/22/2012CN102648152A Method and plant for reprocessing waste sulphuric acids from nitriding processes
08/22/2012CN102642819A Cooling water circulation utilization method of mine-used nitrogen manufacturing device
08/22/2012CN101837961B Dilute nitric acid preparing method meeting requirements of energy saving and emission reduction as well as low cost and device
08/21/2012US8246923 High Pd content diesel oxidation catalysts with improved hydrothermal durability
08/21/2012US8246922 Four-way diesel catalysts and methods of use
08/16/2012WO2012108284A1 Process for production of fluorosulfonylimide ammonium salt
08/16/2012US20120208690 Crucible body and method of forming same
08/16/2012US20120207665 TREATMENT OF NOx-CONTAINING GAS STREAMS
08/16/2012US20120207664 Systems and methods for recovering nitric acid from pickling solutions
08/16/2012DE19651731B4 Verfahren zur Herstellung einer Stickstoff enthaltenden Silanverbindung A process for preparing a nitrogen-containing silane compound
08/16/2012CA2826747A1 Process for production of fluorosulfonylimide ammonium salt
08/15/2012EP2487134A1 Hexagonal boron nitride powder and method for producing same
08/15/2012EP2007680B1 Use of zirconium oxynitride catalysts for ammonia decomposition
08/15/2012CN202376969U Test device of gas generator
08/14/2012US8242298 Silicon-boron-carbon-nitrogen ceramics and precursor compounds, method for the production and use thereof
08/09/2012WO2012105186A1 Electrode material for secondary cell
08/08/2012CN202369395U Nitrogen making machine for remotely transporting modified atmosphere containers
08/08/2012CN202369394U Intelligent energy-saving nitrogen producing machine
08/08/2012CN102627263A Method for preparing magnesium-doped aluminum nitride nanowire
08/08/2012CN101898751B Method for growing group III nitride nanometer material
08/08/2012CN101785957B Carbon dioxide separation and storage method
08/07/2012US8236267 High-pressure vessel for growing group III nitride crystals and method of growing group III nitride crystals using high-pressure vessel and group III nitride crystal
08/02/2012US20120196128 Hexagonal boron nitride powder and method for producing same
08/02/2012DE102011009834A1 Producing cubic boron nitride useful e.g. as grinding material, comprises carrying out heat treatment of reaction mixture comprising boron or boron compounds, carbon, nitrogen or hydrogen containing compounds, and transition metal
08/01/2012EP2481706A1 Apparatus and method for producing and supplying nitrogen-enriched gas
08/01/2012EP2064357B1 Device for catchment of platinum group metals in a gas stream
08/01/2012CN202358919U Acid absorption tower for producing nitric acid
08/01/2012CN202358918U Silicon nitride reaction groove
08/01/2012CN102616758A Air flow pre-heater for water cooled wall of dilute nitric acid production process
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