| Patents for C01B 21 - Nitrogen; Compounds thereof (10,781) |
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| 08/07/2013 | EP2621855A2 Process for working up an exhaust gas from a system for producing hydroxylamine or hydroxylammonium salts |
| 08/07/2013 | CN203112507U Device for preparing high-purity nitrogen trifluoride by removing impurities in nitrogen trifluoride through distillation |
| 08/07/2013 | CN203112506U Device for preparing high-purity nitrogen trifluoride by rectifying, adsorbing and purifying nitrogen trifluoride |
| 08/07/2013 | CN203112505U Device for preparing nitrogen trifluoride by electrolyzing and fusing ammonium bifluoride |
| 08/07/2013 | CN203112504U Small-sized membrane-separation nitrogen production device |
| 08/07/2013 | CN203112503U Device for reclaiming waste nitrogen to prepare high-purity nitrogen |
| 08/07/2013 | CN203108395U Molecular sieve compressing structure for pressure swing adsorption nitrogen machine |
| 08/07/2013 | CN103237818A Microdispersions of hydroxamated polymers and methods of making and using same |
| 08/07/2013 | CN103237759A Crystalline material, and light-emitting device and white LED using same |
| 08/07/2013 | CN103237758A Method for producing crystalline material |
| 08/07/2013 | CN103234319A Fresh-keeping system of air-conditioned freezer |
| 08/07/2013 | CN103232027A Three-dimensional boron nitride foam and preparation method thereof |
| 08/07/2013 | CN103230743A Nitrogen oxide tail gas emission reduction method |
| 08/07/2013 | CN102491290B Method for preparing copper nitride powder |
| 08/07/2013 | CN102161478B Preparation method of molybdenum nitride |
| 08/07/2013 | CN101622195B Metal oxide fibers and nanofibers, method for making same, and uses thereof |
| 08/06/2013 | US8501141 Method for producing group III nitride semiconductor |
| 08/06/2013 | US8501133 Catalyst for treating exhaust gases, method for producing the same, and method for treating exhaust gases |
| 08/06/2013 | US8501132 Nanocomposite particle and process of preparing the same |
| 08/01/2013 | WO2013112142A1 Production of hypothiocyanite from halogenated cells |
| 08/01/2013 | WO2013110964A1 Method for producing nanocrystals from piezoelectric aluminium nitride for sorption filters |
| 08/01/2013 | US20130192977 Methods and systems for the reduction of molecules using diamond as a photoreduction catalyst |
| 07/31/2013 | EP2620955A1 Ferromagnetic particle powder, method for producing same, anisotropic magnet, and bonded magnet |
| 07/31/2013 | EP2619132A1 Method for generating nitric oxide |
| 07/31/2013 | EP2619131A1 Method and arrangement for generating oxygen and nitric oxide. |
| 07/31/2013 | CN203095633U Steam self-supply system for production of sodium nitrate/nitrite |
| 07/31/2013 | CN103224224A Super thick wall tadpole-like boron nitride nanometer powder preparation method |
| 07/31/2013 | CN103223274A Method for optimization of backwashing technology |
| 07/31/2013 | CN102424370B Oxidation furnace used for production of nitric acid by using dual-pressure process and capable of outputting 360,000 tons of nitric acid annually |
| 07/31/2013 | CN101955168B Method for removing nitrogen dioxide in rectifying process of nitric acid solution |
| 07/30/2013 | US8496903 Catalyst, production process therefor and use thereof |
| 07/30/2013 | US8496899 Exhaust gas purifying catalyst |
| 07/25/2013 | WO2013107490A1 Method and device for producing nitric acid |
| 07/24/2013 | CN103221745A Material utilization with an electropositive metal |
| 07/24/2013 | CN103213957A Waste acid recovery system |
| 07/23/2013 | US8491736 Method for obtaining ADN crystals through crystallization in a viscous medium |
| 07/18/2013 | DE102012000570A1 Verfahren und Vorrichtung zur Herstellung von Salpetersäure Method and device for production of nitric acid |
| 07/18/2013 | DE102012000569A1 Verfahren zum farblosen An- und Abfahren von Salpetersäureanlagen A method for colorless startup and shutdown of nitric acid plants |
| 07/17/2013 | EP2615060A1 Silicon nitride powder for siliconitride fluorescent material, sr3al3si13o2n21 fluorescent material and beta-sialon fluorescent material both obtained using same, and processes for producing these |
| 07/17/2013 | CN103204537A Preparation method for nano-material with wurtzite structure |
| 07/17/2013 | CN103204482A Method for preparing nitric acid |
| 07/17/2013 | CN103204481A Synthesis method of active boron nitride for water treatment |
| 07/17/2013 | CN103204480A Method for producing nano chromium nitride powder |
| 07/17/2013 | CN102530893B Nitric acid extraction and concentration method |
| 07/11/2013 | WO2013052673A3 Apparatus and method for the condensed phase production of trisilylamine |
| 07/10/2013 | EP2612838A1 Spherical aluminum nitride powder |
| 07/10/2013 | CN203048597U Heating, unfreezing and blowing-out system for nitrogen generating equipment |
| 07/10/2013 | CN203048596U Air source purifying device of mining nitrogen making machine |
| 07/10/2013 | CN203048595U Pressure-swing adsorptive nitrogen-making system |
| 07/10/2013 | CN203043968U Fluorophosgene production device |
| 07/10/2013 | CN103201213A Silicon nitride powder for siliconitride phosphor, caalsin3 phosphor using same, sr2si5n8 phosphor using same, (sr, ca)alsin3 phosphor using same, la3si6n11 phosphor using same, and methods for producing the phosphors |
| 07/10/2013 | CN103193212A Method for preparing free hydroxylamine |
| 07/10/2013 | CN103193211A Membrane separation nitrogen making machine |
| 07/10/2013 | CN103193210A Nitrogen making machine capable of automatically regulating pressure |
| 07/10/2013 | CN103193209A High-purity nitrogen making machine |
| 07/10/2013 | CN103193208A Nitrogen making machine |
| 07/10/2013 | CN102515121B Preparation method of linear polyhalophosphazene with high relative molecular mass |
| 07/10/2013 | CN102319542B Polymer oxygen-enriched membrane with high flux and high selectivity as well as preparation method and application of same |
| 07/04/2013 | WO2013102222A1 Nitride phosphors with interstitial cations for charge balance |
| 07/04/2013 | WO2013098808A2 Stable aqueous nitric oxide solutions/ methods for their preparation and uses thereof |
| 07/04/2013 | WO2013098174A1 Process for the continuous preparation of hydroxylamine |
| 07/04/2013 | US20130171451 Method of producing a spherical aluminum nitride powder |
| 07/04/2013 | US20130171053 Method for converting nitrogen (n2) into ammonia and/or nitrate |
| 07/04/2013 | US20130168606 Phosphor and light-emitting equipment using phosphor |
| 07/03/2013 | EP2610217A1 SILICON NITRIDE POWDER FOR SILICONITRIDE PHOSPHOR, CaAlSiN3 PHOSPHOR USING SAME, Sr2Si5N8 PHOSPHOR USING SAME, (Sr, Ca)AlSiN3 PHOSPHOR USING SAME, La3Si6N11 PHOSPHOR USING SAME, AND METHODS FOR PRODUCING THE PHOSPHORS |
| 07/03/2013 | EP2610214A1 Method for converting nitrogen (N2) into ammonia and/or nitrate |
| 07/03/2013 | CN103183324A Unit for preparing silicon nitride product by silica powder recovered from crystalline silicon processed waste mortar |
| 07/03/2013 | CN103182283A NO2 pre-reaction device system used in industrial production of ethylene glycol |
| 07/03/2013 | CN103182221A Method for separating solid catalyst granules from inorganic process liquid |
| 07/03/2013 | CN102502537B Method for preparing porous aluminum nitride or gallium nitride slice or thin strip by dealloying |
| 07/03/2013 | CN102046524B Process for purifying N2O |
| 07/03/2013 | CN101980955B Sulfonylimide salt and method for producing the same |
| 06/27/2013 | WO2013091770A1 Process and apparatus for preparation of nitric acid |
| 06/27/2013 | US20130164534 Spherical aluminum nitride powder |
| 06/27/2013 | DE102011122142A1 Verfahren und Vorrichtung zur Herstellung von Salpetersäure Method and device for production of nitric acid |
| 06/26/2013 | CN203017976U Concentrated nitric acid mist recycling device |
| 06/26/2013 | CN103172214A Regeneration process and regeneration device for heavy metal containing nitric acid waste liquor |
| 06/26/2013 | CN103172050A Preparation method of boron nitride-coated carbon nanotubes |
| 06/26/2013 | CN102502535B Method for preparing carbon coated hexagonal boron nitride |
| 06/26/2013 | CN102153056B Technology for continuously producing hydrazine hydrate |
| 06/20/2013 | WO2013090895A1 Transformation enabled nitride magnets absent rare earths and a process of making the same |
| 06/20/2013 | WO2013087298A1 Method for producing trisilylamine from chlorosilane and ammonia using an inert solvent |
| 06/19/2013 | EP2603737A2 Material recycling with an electropositive metal |
| 06/19/2013 | CN203006949U Sealed discharging machine for continuous production of vanadium-nitrogen alloy |
| 06/19/2013 | CN103159191A Preparation method of hydroxylamine salt |
| 06/19/2013 | CN103159190A Preparation method of hyperpure nitride powder |
| 06/19/2013 | CN102491569B Marine ballast water treatment system |
| 06/19/2013 | CN101531365B Preparation method of pressed active carbon for pressure swing adsorption/separation of methane/nitrogen |
| 06/18/2013 | US8465714 Catalyst promoters in vanadium-free mobile catalyst |
| 06/18/2013 | US8465711 Exhaust gas purification catalyst and method for purifying exhaust gas by using same |
| 06/13/2013 | WO2013084447A1 Niobium nitride and method for producing same, niobium nitride-containing film and method for producing same, semiconductor, semiconductor device, photocatalyst, hydrogen generation device, and energy system |
| 06/13/2013 | WO2013052548A3 Apparatus and method for generating nitric oxide in controlled and accurate amounts |
| 06/13/2013 | US20130149229 Nitrogen fixation by titanium dioxide |
| 06/12/2013 | EP2601137A2 Systems, methods and compositions for the production of silicon nitride nanostructures |
| 06/12/2013 | CN202988730U Leakproof ammoxidation furnace catalytic frame |
| 06/12/2013 | CN202988729U Energy recovery unit of nitric acid plant used in plateau region |
| 06/12/2013 | CN202988728U Nitric acid oxidation equipment |
| 06/12/2013 | CN202988727U Nitrogen recycling device |
| 06/12/2013 | CN202988726U Nitrogen-making device |
| 06/12/2013 | CN202984174U Micro powder purification production device |