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)
12/2010
12/15/2010CN101913578A Technology for preparing high-purity nitrogen trifluoride by removing impurities from nitrogen trifluoride by adsorptive method
12/15/2010CN101913577A Silicon nitride firing furnace
12/15/2010CN101913576A Preparation method of ultrathin boron nitride nanosheet with high specific surface area
12/14/2010US7851649 Nitration of corresponding alkanediols with "stabilized" nitric acid having a concentration of 83-85%, and a concentration of nitrous acid and nitrogen oxides lower than 10 p.p.m.; high yields; under easily controllable conditions; intermediates for synthesis of non-steroidal antiinflammatory drugs
12/09/2010WO2010140580A1 Method for producing imidic acid salt
12/09/2010WO2010099780A3 Method for producing ammonia
12/09/2010US20100310952 Oil-bearing sands and shales and their mixtures as starting substances for producing silicon nitride and/or silicon carbide
12/09/2010US20100310443 Apparatus and method for the production of trisilylamine
12/08/2010EP2257496A2 System and method for nanotube growth via ion implantation using a catalytic transmembrane
12/08/2010EP2257495A1 Sulfonylimide salt and method for producing the same
12/08/2010CN101910057A Stabilization of hydroxylamine containing solutions and method for their preparation
12/08/2010CN101905874A Nitrogen making machine with three-tower structure
12/08/2010CN101531349B Preparation method of disk hexagonal boron nitride polycrystalline fine powder
12/08/2010CN101525127B Method for preparing boron nitride nanometer hollow sphere by self-initiation solid state reaction
12/08/2010CN101513996B An aluminum nitride nanometer comb and preparation method thereof
12/08/2010CN101508427B Aluminum nitride single-edge nano-comb and method for preparing the same
12/08/2010CN101462702B Nanocrystalline carbon titanium carbonitride powder containing grain growing inhibitor and preparation thereof
12/08/2010CN101289172B Process for preparing InN nano-wire and nano-rods by vapor transport method
12/08/2010CN101070144B Method for removing carbon tetrafluoride foreign matter in nitrogen trifluoride gas
12/08/2010CN101036482B Nitrogen monoxide generator for fruit and vegetable preserving
12/07/2010US7846405 Method and apparatus for measuring and controlling selective catalytic reduction (SCR) emission control systems
12/02/2010US20100305387 Compositions, materials incorporating the compositions, and methods of using the compositions and materials
12/02/2010US20100303704 Method for growing group iii-nitride crystals in a mixture of supercritical ammonia and nitrogen, and group iii-nitride crystals grown thereby
12/01/2010EP2254829A1 Improved method for manufacturing nitric acid
12/01/2010CN201658933U Pneumatic atomizing absorption device
12/01/2010CN201658930U Parallel-flow pressure relieving desorption device for pressure swing adsorption device
12/01/2010CN201658929U Electrical control system of grain-depot PSA nitrogen generating system
12/01/2010CN101898751A Method for growing group III nitride nanometer material
12/01/2010CN101323440B Pipeline reactor and method for synthesizing hydrazine hydrate by using the same
11/2010
11/25/2010WO2010135576A2 Conducting metal oxide and metal nitride nanoparticles
11/25/2010WO2010081910A3 Method for producing carbonitrides by means of a polycondensation or sol-gel method using hydrogen-free isocyanates
11/25/2010WO2009053112A3 Method for providing energy using a mixture, and corresponding system
11/25/2010US20100298518 Silicon-Boron-Carbon-Nitrogen Ceramics and Precursor Compounds, Method for the Production and Use Thereof
11/25/2010US20100298499 novel living radical polymerization method using a phosphorus compound or nitrogen compound as a catalyst
11/24/2010EP2252396A1 Regeneration of hydrogenation catalysts based on a platinum metal
11/24/2010CN201643939U Energy-saving type series pressure swing adsorption nitrogen producing machine device
11/24/2010CN201643890U Lime kiln waste gas recovering device
11/24/2010CN101896423A Process and apparatus for producing fluorinated gaseous compound
11/24/2010CN101891165A Production method of macrocrystalline hexagonal boron nitride
11/24/2010CN101891164A Method for purifying cubic boron nitride
11/24/2010CN101891163A Method for preparing superfine spherical iron nitride powder
11/24/2010CN101469370B Method for manufacturing large-sized high purity 12Cr% low-ilicon low-aluminum electroslag remelting steel ingot
11/18/2010WO2010132512A2 Surface modified hexagonal boron nitride particles
11/18/2010WO2010132510A2 Composite of a polymer and surface modified hexagonal boron nitride particles
11/18/2010US20100290974 Titanium dioxide coating method and the electrolyte used therein
11/18/2010US20100290945 Solution based zirconium precursors for atomic layer deposition
11/18/2010US20100289045 Luminescent Particles, Methods and Light Emitting Devices Including the Same
11/17/2010CN201637226U Device for recycling high-purity tail nitrogen gas through air separation
11/17/2010CN1485590B Method and device for producing purified liquid
11/17/2010CN101885479A Preparation method of dinitrogen trioxide and reaction equipment thereof
11/17/2010CN101885478A Microwave synthesis method for aluminum nitride powder
11/17/2010CN101885477A Boron nitride nanotube synthesizer
11/17/2010CN101885476A Cobalt nitride compound and preparation method thereof as well as methanol fuel cell catalyst and preparation method thereof
11/16/2010US7834212 Porous substance and process for producing the same
11/16/2010US7833385 Processes of making monohydrate form of magnesium ammonium phosphate and processes of making paper using same
11/16/2010CA2534787C Boron nitride agglomerated powder
11/11/2010WO2010129874A1 Measurement of nitrate-nitrogen concentration in soil based on absorption spectroscopy
11/11/2010WO2010128682A1 Combined plant
11/11/2010WO2010079196A3 Method for obtaining dinitrogen oxide
11/11/2010US20100284888 Formulation for generating nitrogen gas
11/11/2010US20100284883 Ordered Oxynitride Perovskites
11/11/2010US20100282596 Methods and systems for removing a material from a sample
11/10/2010EP2247381A1 Conversion of nitrogen dioxide (no2) to nitric oxide (no)
11/10/2010CN201626832U Membrane separation nitrogen generating equipment enabling gas circulation and temperature control in tobacco leaf gas-tight silo
11/10/2010CN101397130B Method for preparing silicon nitride
11/09/2010US7829050 single-crystal silicon region and the polycrystalline-metallic region of each of the nanowire-precursor members is reacted to form corresponding substantially single-crystal metal-silicide nanowires
11/09/2010US7829033 Selective catalytic reduction of NOx enabled by sidestream urea decomposition
11/09/2010US7828939 Method for concentrating heavy nitrogen isotope
11/04/2010US20100280138 Method of activating boron nitride
11/04/2010US20100279106 Products comprising nano-precision engineered electronic components
11/04/2010US20100278709 Catalyst for production of nitric oxide
11/04/2010US20100278705 Innovative cut-and-feed operation for enhancing the performance of ion-exchange chromatographic separation
11/04/2010US20100278685 Production of titanium trifluoride
11/03/2010EP2246296A1 Process and apparatus for producing fluorinated gaseous compound
11/03/2010CN201618506U Fire prevention device for injecting nitrogen and controlling oxygen by membrane through space division method
11/03/2010CN201618494U Nitrogen making machine
11/03/2010CN101445225B Low-sulfate radical sulfamate concentrated liquid preparation method and device thereof
11/03/2010CN101371979B Sorbent for absorbing carbon dioxide in trace amounts of ethylene and preparation method thereof
11/02/2010US7825026 catalytic nitriding with ammonia gas to form a copper nitride film as a protective film on the copper surface; and removing the formed copper nitride film by heating, leaving a clean copper surface
11/02/2010US7824641 Periodic mesoporous phosphorus-nitrogen compounds
11/02/2010CA2455794C A high solids hbn slurry, hbn paste, spherical hbn powder, and methods of making and using them
11/02/2010CA2452531C Insulating and functionalizing fine metal-containing particles with conformal ultra-thin films
10/2010
10/28/2010WO2010123376A1 Crystallization of poly ammonium phosphate in particular organic material and uses thereoff
10/28/2010US20100272626 Microbial production of nitrous oxide coupled with chemical reaction of gaseous nitrous oxide
10/27/2010EP2243857A1 A method for the production of cubic boron nitride-containing films
10/27/2010CN101870460A Method for preparing super-pure nitric acid
10/27/2010CN101869817A Method for synthesizing cubic boron nitride by using Mg3N2 and CaH2
10/27/2010CN101869797A Method and apparatus for extracting high-purity nitrogen from air
10/26/2010US7820127 Method and apparatus for producing nitrogen trifluoride
10/26/2010US7820100 Electrically charging a titnaium dioxide photocatalyst-resin mixture; spraying the powder onto the substrate; curing
10/26/2010CA2454098C Hardmetal compositions with novel binder compositions
10/21/2010WO2008074659A3 Novel cascaded power station process and method for producing reversibly usable hydrogen carriers in a corresponding power station process
10/20/2010EP2241608A2 Oxynitride phosphor and light-emitting device using oxynitride phosphor
10/20/2010EP2241607A2 Light-emitting device using oxynitride phosphor
10/20/2010EP2240403A1 Formulation for generating nitrogen gas
10/20/2010CN101863459A Process for preparing titanium nitride with controllable shape by alcohol-heating method
10/20/2010CN101863458A Method for preparing GaN nanowires
10/19/2010US7816006 Non-stoichiometric nanomaterial compositions with distinctive shape and morphology
10/19/2010US7815880 CO2-sequestering carbonate compounds made from industrial waste gas are incorporated into the hydraulic cement and/or aggregate components of the concrete
10/14/2010US20100260656 Group iii nitride crystal, method for growing the group iii nitride crystal, and apparatus for growing the same
1 ... 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 ... 108