| Patents for C01B 21 - Nitrogen; Compounds thereof (10,781) |
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| 07/06/2011 | CN102115046A Method for ensuring shaft furnace device to continuously produce vanadium nitride |
| 07/06/2011 | CN101224876B Method for preparing silicon nitride nano-wire and nano-strip |
| 07/05/2011 | US7972583 Iron silicide sputtering target and method for production thereof |
| 07/05/2011 | US7972137 Anti-microbial dental formulations for the prevention and treatment of oral mucosal disease |
| 07/05/2011 | CA2314315C Novel silica gel incorporating polyazacycloalkane units comprising more than six nitrogen atoms, preparation process and use |
| 06/30/2011 | WO2011077327A2 Method for generating nitric oxide |
| 06/30/2011 | US20110160460 Novel materials useful as electrolytic solutes |
| 06/30/2011 | US20110159604 Isotope-doped nano-material, method for making the same, and labeling method using the same |
| 06/30/2011 | US20110159116 Biocompatible materials for medical devices |
| 06/29/2011 | CN201882909U Improved air admission structure for nitrogen making device |
| 06/29/2011 | CN201880468U Membrane separation and compression system utilizing complementary drive of natural power and electricity |
| 06/29/2011 | CN101774552B Method for preparation of GaN nanocrystal |
| 06/29/2011 | CN101703920B Method for preparing NO2 adsorption reducing material |
| 06/29/2011 | CN101693975B Method for increasing nitrogen content of vanadium-nitrogen alloy |
| 06/28/2011 | US7968492 Layered catalyst to improve selectivity or activity of manganese containing vanadium-free mobile catalyst |
| 06/23/2011 | US20110150742 Catalysts for nox reduction employing h2 and a method of reducing nox |
| 06/23/2011 | US20110147064 Boron nitride agglomerated powder |
| 06/22/2011 | EP2334595A2 Destruction of ammonium ions |
| 06/22/2011 | CN201873521U Gas distributing plate for oxidation furnace producing 300 thousand tons of nitric acid annually |
| 06/22/2011 | CN201873520U Overheater outlet convergence pipe of oxidation furnace with annual capacity of 300,000-ton nitric acid |
| 06/22/2011 | CN201873519U Water evaporator outlet convergence pipe of oxidation furnace with annual capacity of 300,000-ton nitric acid |
| 06/22/2011 | CN102105224A Stable ferrous-ferric nitrate solutions for fischer-tropsch catalyst preparation |
| 06/22/2011 | CN102101732A Method for recovering hydrazine sulfate and chromium hydroxide from chromium-containing waste acid |
| 06/22/2011 | CN102101659A Technology for preparing high-purity nitrogen trifluoride by removing impurities contained in nitrogen trifluoride through rectification method |
| 06/22/2011 | CN102101658A Technology for preparing high-purity nitrogen trifluoride by purifying nitrogen trifluoride through rectification and adsorption |
| 06/22/2011 | CN102101657A Technology for preparing high-purity nitrogen trifluoride by removing impurities from nitrogen trifluoride by rectification method |
| 06/22/2011 | CN102101656A Technology for preparing high-purity nitrogen trifluoride by purifying nitrogen trifluoride through rectification and adsorption |
| 06/22/2011 | CN102101655A Technology for preparing nitrogen trifluoride by direct molten salt fluoridizing method |
| 06/22/2011 | CN102101654A Technology for preparing nitrogen trifluoride by molten salt direct fluorination method |
| 06/22/2011 | CN101700876B Nitrogen making method by pressure swing adsorption |
| 06/21/2011 | US7964066 Method for controlling structure of nano-scale substance, and method for preparing low dimensional quantum structure having nano-scale using the method for controlling structure |
| 06/21/2011 | US7964026 Gasification apparatus |
| 06/21/2011 | CA2557035C Apparatus for processing highly corrosive agents |
| 06/17/2011 | CA2725699A1 Gas generator and processes for the conversion of a fuel into an oxygen-depleted gas and/or hydrogen-enriched gas |
| 06/16/2011 | WO2011028423A3 Method for producing a stable oxidizing biocide |
| 06/15/2011 | CN201864564U Apparatus for recycling refrigeration capacity in decarburized and stripped nitrogen of gas synthesized by NHD (polyethylene glycol dimetyl ether) method |
| 06/15/2011 | CN102092694A Technology for preparing nickel sulfamate through extraction method |
| 06/15/2011 | CN102092693A Technology for purifying nitrogen trifluoride by centrifugal separation method |
| 06/15/2011 | CN102092692A Technology for purifying nitrogen trifluoride prepared by electrolysis method by rectification and absorption method to prepare high-purity nitrogen trifluoride |
| 06/15/2011 | CN102092691A Preparation method of vanadium nitride nanocrystal |
| 06/15/2011 | CN102091504A Chemical method for gathering, fixing and purifying carbon dioxide, sulfur dioxide, sulfur trioxide and nitric oxide |
| 06/15/2011 | CN102091500A Variable pressure absorption oxygen and nitrogen combined separation method and device |
| 06/15/2011 | CN102091499A Method and device for separating combined oxygen and nitrogen absorbed together by temperature change |
| 06/15/2011 | CN101362591B Cubic boron nitride, method for producing cubic boron nitride, grinding wheel with cubic boron nitride, and sintered cubic boron nitride compact |
| 06/15/2011 | CN101351402B Method for isolating N2O |
| 06/15/2011 | CN101301515B Extinguishment method of fire-fighting truck with movable nitrogen making machine group and equipment thereof |
| 06/15/2011 | CN101296862B Method for producing synergistic biocide |
| 06/08/2011 | EP2328592A1 Systems and devices for generating nitric oxide |
| 06/08/2011 | CN201857269U Sealing device for oxidation furnace annually producing three hundred thousand tons of nitric acid |
| 06/08/2011 | CN201857268U Steam superheater inlet manifold for oxidation furnace annually producing three hundred thousand tons of nitric acid |
| 06/08/2011 | CN201857267U Coil pipe group for oxidation furnace annually producing three hundred thousand tons of nitric acid |
| 06/08/2011 | CN201857266U Outlet manifold for middle wall pipe group of oxidation furnace annually producing three hundred thousand tons of nitric acid |
| 06/08/2011 | CN201857265U Inlet connection manifold for oxidation furnace with annual output of 300,000 tons of ammonia |
| 06/08/2011 | CN201857264U Lower wall pipe group of oxidation furnace for producing nitric acid with annual output being 3 hundred thousand tons |
| 06/08/2011 | CN201857263U Water evaporator inlet manifold for ammonia oxidation furnace with annual output being 3 hundred thousand tons |
| 06/08/2011 | CN201857262U Distribution plate supporting bracket for oxidation furnace with annual production of 300,000 tons of nitric acid |
| 06/08/2011 | CN201857261U Middle section wall pipe set for oxidizing furnace used in nitric acid production with annual output of 300,000 tons |
| 06/08/2011 | CN201857260U Supporting bracket for oxidizing furnace used in nitric acid production with annual output of 300,000 tons |
| 06/08/2011 | CN201855645U Temperature control device for membrane separation nitrogen producing system of compressor |
| 06/08/2011 | CN102085483A Novel catalyst for urea method hydrazine hydrate production process |
| 06/07/2011 | US7956005 Composite oxides; rare-earth element, an alkaline-earth element and a precious metal, a refractory support having a perovskite structure and/or a composite oxide having a pyrochlore structure; oxides of alkaline-earth element and/or transition metal element, aluminum, magnesium |
| 06/03/2011 | WO2011065502A1 Fluorosulfonyl imide salt and method for producing fluorosulfonyl imide salt |
| 06/03/2011 | WO2011065484A1 Nitrogen-containing porous carbon material, method for producing same, and electric double layer capacitor using the nitrogen-containing porous carbon material |
| 06/02/2011 | US20110129671 Method of producing quantum confined indium nitride structures |
| 06/02/2011 | US20110129669 Nitride semiconductor crystal and its production method |
| 06/02/2011 | US20110129406 Metal fibers for catalyst non-wovens |
| 06/01/2011 | EP2326382A1 Systems for generating nitric oxide |
| 06/01/2011 | CN102080140A Low-energy-consumption reduction nitridation production process of vanadium oxide |
| 06/01/2011 | CN101734631B Low temperature solid reacting method for synthesizing cubic boron nitride |
| 06/01/2011 | CN101507920B Preparation method of catalyst for low-temperature selective catalytic reduction of nitrogen oxide |
| 06/01/2011 | CN101323439B Method for preparing one-dimensional aluminum nitride nanowire by carbothermic method |
| 05/31/2011 | US7950221 Methods and apparatus for controlling catalytic processes, including catalyst regeneration and soot elimination |
| 05/26/2011 | US20110123426 Magnetic powder suitable for low-noise media |
| 05/26/2011 | US20110123425 GaN Whiskers and Methods of Growing Them from Solution |
| 05/25/2011 | CN201842645U High-purity nitrogen generation system integrating membrane separation and pressure swing adsorption device |
| 05/25/2011 | CN102070130A Preparation method of vanadium nitride |
| 05/25/2011 | CN101533720B Metal nitride electrode material for dye-sensitized solar cell |
| 05/24/2011 | US7947243 Boron nitride thin-film emitter and production method thereof, and electron emitting method using boron nitride thin-film emitter |
| 05/19/2011 | WO2011059028A1 Method for producing alkali metal nitride or alkaline earth metal nitride |
| 05/19/2011 | WO2011058902A1 Method for producing β-sialon phosphor |
| 05/19/2011 | WO2011058282A1 Method for preparing a solution including monochloramine |
| 05/19/2011 | WO2011002700A3 Generation of sterilant gasses and uses thereof |
| 05/19/2011 | US20110117368 Hard Powder, Process for Preparing Hard Powder and Sintered Hard Alloy |
| 05/18/2011 | CN201834764U Device for preparing nitrogen oxide through ammonia oxidation |
| 05/18/2011 | CN1918262B Phosphor and light emission appliance using phosphor |
| 05/18/2011 | CN101704517B Preparation method of electronic grade high-purity nickel sulfamic acid solution |
| 05/12/2011 | WO2011054928A1 Method for producing nitric acid by means of a load-controllable production system |
| 05/12/2011 | US20110112343 Lithium-based metal organic frameworks |
| 05/12/2011 | US20110110840 Method for producing group iii-nitride crystal and group iii-nitride crystal |
| 05/12/2011 | US20110108021 Compositions and processes for sugar treatment |
| 05/11/2011 | EP2318310A2 Nanoscale cubic boron nitride |
| 05/11/2011 | CN201825732U Mobile explosion-proof membrane separator box type nitrogen generating device |
| 05/11/2011 | CN201825731U High-purity nitrogen preparing device |
| 05/11/2011 | CN201825730U Double-tower alternating type nitrogen generating equipment |
| 05/11/2011 | CN201825729U Automatic control device of nitrogen making machine |
| 05/11/2011 | CN201823449U Multi-circulation normal-temperature air separating system |
| 05/11/2011 | CN102056841A Sealing the NO compressor and the residual gas expander in a nitric acid plant |
| 05/11/2011 | CN102050433A Preparation method of bioactive crystal containing cesium-hydroxyl-amine-vanadium complex |
| 05/11/2011 | CN102050432A Method for growing InN nanorod material with aid of dopant zinc |
| 05/11/2011 | CN101531347B Method for recycling and synthesizing nitrogen and hydrogen in off-gases of ammonia and device thereof |