Patents
Patents for C01B 21 - Nitrogen; Compounds thereof (10,781)
03/2014
03/19/2014CN103648614A Reduction of oxides of nitrogen in a gas stream using molecular sieve SSZ-28
03/19/2014CN103641083A Method for preparing mesoporous hexagonal boron nitride by using activation method
03/19/2014CN103641082A Method of synthesizing nano chromium nitride powder by carbon-thermal-reduction nitriding process
03/19/2014CN103641081A Method for preparing bamboo shoot shaped GaN nano wire
03/19/2014CN103641080A Method for preparing vanadium nitride/titanium nitride
03/19/2014CN102874778B Method for preparing BCNO fluorescent powder by sintering precursors at low temperature
03/19/2014CN102838096B Joint production method and production device of dilute nitric acid and concentrated nitric acid
03/19/2014CN102701163B Titanium nitride nanometer material having three-dimensional connected pore channel structure and preparation method of titanium nitride nanometer material
03/19/2014CN102485646B Recovering method of silicon nitride
03/13/2014WO2014039937A1 Metal chalcogenide synthesis method and applications
03/13/2014WO2014038676A1 Method for producing water-resistant aluminum nitride powder
03/13/2014WO2013184012A4 Method for purification of ammonia, mixtures of nitrogen and hydrogen, or nitrogen, hydrogen and ammonia
03/13/2014US20140072727 Vapour deposition process for the preparation of a chemical compound
03/13/2014US20140072500 Method of producing hydrazine-coordinated cu chalcogenide complex
03/13/2014US20140072497 Process for preparing trisilylamine in the gas phase
03/12/2014EP2704989A1 Energy efficient process for producing nitrogen oxide
03/12/2014CN203474461U Ultra-pure nitric acid production device
03/12/2014CN203474460U Pull type pressure swing adsorption type nitrogen preparing device
03/12/2014CN203474459U Nitrogen blowing-drying system
03/12/2014CN203470001U Neutralization reactor for producing ammonium phosphor nitrate
03/12/2014CN103626141A Method for preparing hexagonal boron nitride nanosheets by chemical stripping
03/12/2014CN103626140A Method for synthesizing nanometer vanadium nitride/chromium nitride composite powder by carbon-thermal reduction and nitridation process
03/12/2014CN103623856A Spherical mesoporous carbon nitride photocatalyst with multistage nano structure
03/12/2014CN102826521B Control system of nitrogen dioxide content
03/12/2014CN102292411B Nanoparticles
03/12/2014CN102292410B Fabrication of nitride nanoparticles
03/12/2014CN102198362B Method for recovering nitrogen in flue gas with membrane
03/11/2014US8668937 Topical nitric oxide systems and methods of use thereof
03/06/2014WO2014035464A1 Synthesis of bis(fluorosulfonyl)imide
03/06/2014WO2013176956A3 Sintered product, metal ion adsorbent, method for removing metal ions, and metal ion removing equipment
03/06/2014US20140065050 Systems, methods and compositions for the production of silicon nitride nanostructures
03/06/2014DE19529863B4 Siliciumnitrid-Pulver Silicon nitride powder
03/05/2014EP2704159A1 Process for producing ferromagnetic particulate powder, and anisotropic magnet, bonded magnet, and compacted magnet
03/05/2014EP2703346A1 Method for producing water-resistant aluminum nitride
03/05/2014CN103619429A Process for the preparation of trisilylamine from monochlorosilane and ammonia
03/05/2014CN103613237A Technique for processing high-salinity wastewater in preparation of hydrazine hydrate by use of ketazine process
03/05/2014CN103613081A Nitric acid recycling system
03/04/2014US8664141 Catalyst for cleaning up nitrogen oxides and a method for producing same
03/04/2014US8663588 Three way catalyst
03/04/2014US8663587 Catalyzed soot filter and emissions treatment systems and methods
02/2014
02/27/2014WO2014030637A1 METHOD FOR PRODUCING β-SIALON, β-SIALON, AND LIGHT-EMITTING DEVICE
02/27/2014US20140056773 Oxygen removal
02/27/2014US20140054505 Scalable Multiple-Inverse Diffusion Flame Burner for Synthesis and Processing of Carbon-Based and Other Nanostructured Materials and Films and Fuels
02/26/2014CN203451223U Purification system for industrial production of electronic-grade nitric acid
02/26/2014CN203448065U Package assembly of cubic boron nitride synthesis cavity
02/26/2014CN103608287A Method for producing trisilylamine in the gas phase
02/26/2014CN103601163A Preparation method for high purity nitric acid
02/26/2014CN103601162A Preparation method of graphite type carbon nitride nanotubes
02/26/2014CN103601161A TiN powder preparation method combining nonhydrolytic sol-gel with carbon thermal reduction nitridation method
02/26/2014CN103601160A Preparation method of manganese nitride
02/26/2014CN103601159A TQN full-automatic quantity-controlled energy-saving nitrogen machine
02/26/2014CN102874775B Preparation method of scandium nitride cubic crystal
02/25/2014CA2630620C Method for isolating n2o
02/20/2014WO2014028623A1 Ammonia plant upgrading-multistage integrated chilling of process air compressor with ammonia compressor followed by air flow split and multistage air preheating to secondary ammonia reformer
02/20/2014WO2014027913A1 Catalyst for fixation of molecular nitrogen
02/20/2014WO2014027096A1 Method for producing transition metal compounds, transition metal compounds and use thereof
02/20/2014US20140051860 Process for producing a nitrogen-containing carbon alloy
02/20/2014US20140050650 Superhard carbon nitride and method for producing the same
02/19/2014EP2698344A1 Post-sinter conglutination and oxidation-preventative vanadium-nitrogen alloy preparation method
02/19/2014CN203440080U Underground membrane separation nitrogen manufacturing system
02/19/2014CN203440079U Nitrogen making system
02/19/2014CN203440078U Manual and automatic integrated emptying type nitrogen making system
02/19/2014CN203440077U Low dew point nitrogen making system
02/19/2014CN203440076U 液氮制备系统 Liquid nitrogen preparation system
02/19/2014CN203437012U Automatic compaction device of nitrogen making machine
02/19/2014CN103588183A Method and apparatus for removing contaminants from nitrogen trifluoride
02/19/2014CN103588182A Method for preparing spherical aluminum nitride powder
02/19/2014CN102491289B Method for preparing nanoscale magnesium nitride powder
02/13/2014WO2014024682A1 Method for producing bis(halosulfonyl)amine
02/13/2014WO2013008112A3 Method of producing nanoparticles by generating an electrical spark
02/13/2014US20140042675 Method for manufacturing an aluminum nitride particle and application thereof
02/12/2014CN203425785U Rubber mold for forming hexagonal boron nitride powder column
02/12/2014CN203425687U Integrated end cover structure of adsorption tower
02/12/2014CN103570014A Graphene/boron nitride layered composite material and preparation method thereof
02/12/2014CN103570003A Method for large-scale preparation of graphene and two-dimensional boron nitride crystal materials
02/12/2014CN103569978A Nitric acid gas stripping and decolorizing method and device
02/12/2014CN103569977A Preparation method of TiN powder
02/12/2014CN103569976A Ultrahigh-hardness nano-twin crystal boron nitride bulk material and synthesis method thereof
02/12/2014CN103566740A Device for treating high-concentration ammonia nitrogen in exhaust gas of fertilizer plant in phosphate gradient way by using surfactant
02/12/2014CN103566739A Method for resource recovery of nitrogen oxides (NOx) in nitric acid industrial waste gas
02/12/2014CN102320650B Zinc tin-doped manganese nitrogen compound-manganese nitride composite material
02/12/2014CN102186579B Catalyst containment unit
02/12/2014CN101811680B Purification method for gas and purification device with same
02/11/2014US8647780 Materials useful as electrolytic solutes
02/06/2014WO2014019546A1 Ultrahard Nanotwinned Boron Nitride Bulk Materials and Synthetic Method Thereof
02/06/2014US20140037530 Method for preparing vanadium-nitrogen alloy
02/06/2014US20140037529 Method for producing bis(fluorosulfonyl)imide salt, method for producing fluorosulfate, and method for producing bis(fluorosulfonyl)imide onium salt
02/05/2014EP2691353A1 Cubic boron nitride crystal, bodies comprising same and tools comprising same
02/05/2014CN103562129A Method for producing lithium or sodium bis(fluorosulfonyl)imidide
02/05/2014CN103553084A Method and device for treating converted gas in production of sodium nitrate
02/05/2014CN103553008A Ignition device for ammoxidation furnace
02/05/2014CN103553007A Water-cooled wall of ammonia oxidation furnace
02/05/2014CN103553006A Method for removing no and n2o from gas mixtures
02/05/2014CN103553005A Continuous production method of sodium azide
02/05/2014CN103553004A Method for continuous preparation of sodium azide
02/05/2014CN103553003A Preparation method of lanthanum/yttrium-doped silicon nitride nanowire
02/05/2014CN103553002A Method for preparation of high purity alpha phase silicon nitride powder from recovered silicon chip cut sawdust
02/05/2014CN103551080A Method for plating titanium nitride on surface of cubic boron nitride particle
02/04/2014US8641821 Apparatus for manufacturing aluminum nitride single crystal, method for manufacturing aluminum nitride single crystal, and aluminum nitride single crystal
02/04/2014US8640440 Removal of particulates from the exhaust gas of internal combustion engines operated with a predominantly stoichiometric air/fuel mixture
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