| Patents for C01B 21 - Nitrogen; Compounds thereof (10,781) |
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| 04/14/2010 | CN101181980B Recovering method for refuse in preparation of pentylformic acid by nitrate oxide 2 - octanol |
| 04/13/2010 | US7698004 APC process control when process parameters are inaccurately measured |
| 04/13/2010 | US7695704 producing borazane from boron-nitrogen-hydrogen-waste; avoids the unwanted accumulation of byproducts; reacting the waste products with hydrogen halide; reacting the boron trihalide with hydrogen to form diborane; converting ammonium halide to ammonia and hydrogen halide; reacting diborane with ammonia |
| 04/06/2010 | US7692045 Method for purifying and concentrating dinitrogen monoxide |
| 04/06/2010 | CA2522336C Method for processing sulfide minerals and concentrates |
| 04/01/2010 | US20100080747 Purifying carbon dioxide and producing acid |
| 04/01/2010 | US20100080746 Method for producing higher silanes |
| 04/01/2010 | US20100078606 Process for producing group iii element nitride crystal, and group-iii element nitride crystal |
| 04/01/2010 | US20100078604 Nickel nanoparticles |
| 03/31/2010 | EP2167424A1 Method for recovering nitric acid and purifying silver nitrate electrolyte |
| 03/31/2010 | CN101690420A Boron nitride and boron nitride-derived materials deposition method |
| 03/31/2010 | CN101687642A Process for preparing nitric acid having a concentration in the range from 50 to 77.8% by weight |
| 03/31/2010 | CN101683974A Method for recycling rare hydrazine |
| 03/30/2010 | US7687421 use of a Si/C/N/Al/Y/O multielement nanopowder for fabricating a composite ceramic of SiC/Si3N4 type, using laser pyrolysis; high density, good mechanical performance |
| 03/25/2010 | WO2010032102A1 Method for producing alkali metal cyanoborate |
| 03/25/2010 | US20100075107 Hexagonal wurtzite single crystal and hexagonal wurtzite single crystal substrate |
| 03/25/2010 | US20100074826 Method for manufacturing a single crystal of nitride by epitaxial growth on a substrate preventing growth on the edges of the substrate |
| 03/25/2010 | CA2737695A1 Conversion of nitrogen dioxide (no2) to nitric oxide (no) |
| 03/24/2010 | CN101678297A Device and method for catalytic gas phase reactions and the use thereof |
| 03/24/2010 | CN101676200A Butanone azine hydrolysis technology |
| 03/24/2010 | CN100595143C Technique for purifying calcium carbide furnace gas |
| 03/24/2010 | CN100594966C Method for preparing hydrogen and nitrogen by catalytic cracking regenerative fume |
| 03/23/2010 | US7683197 Integrated, continuous method for the production of molecular single-component percursors having a nitrogen bridging function |
| 03/23/2010 | US7682419 Hydrometallurgical process for the most complete metal extraction while preventing elementary sulfur formation; sulfide minerals oxidation in aqueous slurry using nitrogen oxides under controlled acidity; sulfuric acid formed neutralized constantly by calcium/magnesium salts |
| 03/18/2010 | US20100068118 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 |
| 03/17/2010 | CN201424375Y A high efficient ammonia oxidation furnace component |
| 03/17/2010 | CN101671008A Device for recycling diluted hydrazine |
| 03/17/2010 | CN100594058C Catalyst for the decomposition of N2O in the Ostwald process |
| 03/11/2010 | US20100059717 GaN CRYSTAL PRODUCING METHOD, GaN CRYSTAL, GaN CRYSTAL SUBSTRATE, SEMICONDUCTOR DEVICE AND GaN CRYSTAL PRODUCING APPARATUS |
| 03/10/2010 | EP2160236A1 Device and method for catalytic gas phase reactions and the use thereof |
| 03/04/2010 | WO2010004142A3 Nanoscale cubic boron nitride |
| 03/04/2010 | US20100055464 Graphene and Hexagonal Boron Nitride Planes and Associated Methods |
| 03/04/2010 | US20100051879 Functionalized Boron Nitride Nanotubes |
| 03/03/2010 | EP2158160A1 Process for the production of polyaluminium salts |
| 03/03/2010 | CN101659402A Method for improving quality of oxammonium hydrochloride |
| 02/25/2010 | DE102008037300A1 Herstellung eines Reingases, insbesondere für die Dichtheitsprüfung an einem druckbeaufschlagten Bauteil Producing a clean gas, especially for the leak test on a pressurized component |
| 02/24/2010 | EP2155428A2 Improved atmospheric-pressure aluminium brazing method |
| 02/24/2010 | CN201411365Y Negative pressure type air separating and purifying device |
| 02/24/2010 | CN101654230A Flowing hydroxylamine hydrochloride and preparation method thereof |
| 02/24/2010 | CN101654229A Method for preparing fluorine-containing sulphonyl (phosphoryl) imine and alkali metal salt thereof |
| 02/23/2010 | US7666388 Nitrides; absorption, desorption |
| 02/18/2010 | US20100040505 Method and device for preventing corrosion of a gas inlet nozzle during nitric acid condensation |
| 02/17/2010 | EP2154273A1 Method for production of ultraviolet light-emitting hexagonal boron nitride crystal |
| 02/17/2010 | CN201408363Y Nitrogen generator touch-screen remote monitoring system |
| 02/17/2010 | CN101648703A Nitrogen gas generating system by membrane for ships |
| 02/10/2010 | CN201401806Y Energy-saving device utilizing remained oxygen-rich gas of nitrogen making machine to support combustion |
| 02/10/2010 | CN100588609C Solvent thermal constant-pressure synthesis method for controlling phase of carbon nitride material |
| 02/04/2010 | US20100025815 Semiconductor device and method of manufacturing the same |
| 02/03/2010 | CN201395511Y Wheeled mobile nitrogen machine |
| 02/02/2010 | US7655211 Mixture of hydrogen sulfide and ammonia is contacted with an aqueous absorbing stream containing ammonium thiosulfite, ammonium bisulfite, and ammonium sulfite; sulfur dioxide is absorbed; efficient process of producing ammonium thiosulfate utilizing waste ammonia without production of elemental sulfur |
| 01/28/2010 | WO2010010613A1 Process for producing bis(fluorosulfonyl)imide anion compound, and ion-pair compound |
| 01/27/2010 | EP1901994B1 Process for the continuous production of hydroxylammonium |
| 01/27/2010 | CN201390652Y Mine mobile nitrogen making machine |
| 01/27/2010 | CN101633498A Preparation method of boron nitride nano tube with controllable dimension |
| 01/27/2010 | CN101633497A Vanadium nitride production method |
| 01/27/2010 | CN100584747C Method for preparing nano-titanium nitride with mesoporous organic-inorganic composite precursors |
| 01/27/2010 | CN100584742C 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 |
| 01/27/2010 | CN100584450C Catalyst composition and method for oxidizing mixtures |
| 01/21/2010 | WO2010008038A1 Aluminum nitride powder manufacturing method, aluminum nitride precursor, and manufacturing method for aluminum nitride sintered body using aluminum nitride powder |
| 01/21/2010 | WO2010008004A1 Hard powder, method for producing hard powder and sintered hard alloy |
| 01/21/2010 | WO2010007087A1 Catalyst for reacting dinitrogen monoxide and use thereof in industrial nitric acid production |
| 01/21/2010 | US20100015031 chemical vapor deposited or plasma deposited cobalt or nickel catalyst reaction to grow carbonitride nanotube, controlling pore size by controlling nitrogen concentration; reacting hydrocarbon, nitrogen, and oxygen or hydrogen gases together in the presence of metal catalyst |
| 01/21/2010 | US20100015030 Carbon nitride preparation method |
| 01/21/2010 | DE19734736B4 Behälter aus pyrolytischem Bornitrid Pyrolytic boron nitride container |
| 01/20/2010 | EP2145906A1 Non-thermofusible phenol resin powder, method for producing the same, thermosetting resin composition, sealing material for semiconductor, and adhesive for semiconductor |
| 01/20/2010 | EP2145663A1 Catalyst for converting nitrous oxide and its application in industrial nitric acid production |
| 01/20/2010 | EP2145086A1 Method for providing ammonia for the selective catalytic reduction of nitrogen oxides, and corresponding device |
| 01/20/2010 | CN201386027Y Automatic-hydrogenation nitrogen purification device |
| 01/20/2010 | CN201386026Y Carbon-supported nitrogen purification device |
| 01/20/2010 | CN201386025Y Automatic hydrogenation proportioning device |
| 01/20/2010 | CN101628712A Method for preparing single phase nanometer epsilon-Fe3N or gamma'-Fe4N powder and device thereof |
| 01/20/2010 | CN101628711A Phosphor and light emission appliance using phosphor |
| 01/20/2010 | CN100581996C Device and method for separating pressized nitrogen gas from air |
| 01/19/2010 | US7648687 removal of impurities by precipitation and separation using a nonmetallic-ion-containing strong base, e.g., tetraalkylammonium hydroxides; reduction of higher oxidation-state-number oxymetal ions and subsequent precipitation as hydroxides that are separated; liquid-liquid exchange extraction to remove Sr |
| 01/14/2010 | WO2010005616A1 System and method for growing nanotubes with a specified isotope composition via ion implantation using a catalytic transmembrane |
| 01/14/2010 | WO2010005035A1 Gallium nitride particle, and method and apparatus for producing the same |
| 01/14/2010 | WO2009142682A3 A method and apparatus for on-site production of nitrate ions |
| 01/14/2010 | WO2008134009A3 Non-cryogenic nitrogen generators and methods of use |
| 01/14/2010 | US20100009191 Fine silver particles, production method thereof, and production apparatus therefor |
| 01/14/2010 | US20100005728 Method for making composite abrasive compacts |
| 01/13/2010 | CN201381227Y Three-tower structure nitrogen making machine |
| 01/13/2010 | CN100579898C Preparation of titanium nitride nanopower |
| 01/12/2010 | US7645325 Oxygen production process using three-stage pressure swing adsorption plants |
| 01/12/2010 | CA2548500C Mixed metal oxide sorbents |
| 01/07/2010 | US20100003349 Portable, nitric oxide generator |
| 01/06/2010 | CN201376900Y High-purity nitrogen equipment |
| 01/06/2010 | CN101622195A Metal oxide fibers and nanofibers, method for making same, and uses thereof |
| 01/06/2010 | CN101618866A Method for preparing nickel hydrazine azide |
| 01/06/2010 | CN101618865A Nanometer lanthanum nitride powder and preparation method thereof |
| 01/05/2010 | US7641880 direct production of GaN by the metathesis of Li3N and GaCl3 or GaBr3 or GaI3, the reaction rate and yields can be greatly enhanced by including diethyl ether in the reaction system |
| 01/05/2010 | US7641875 multi-phase catalyst comprises a perovskite phase having a cation formula selected from Ln0.8Sr0.2Mn0.88Pd0.12, Ln0.8Sr0.2Mn0.94Pd0.6, and a non-perovskite phase selected from cerium oxide, an alkaline earth metal oxide, an alkali metal oxide; for conversion of nitrogen oxides, CO and hydrocarbons |
| 12/31/2009 | US20090324480 Method for manufacturing hydroxylamine |
| 12/31/2009 | US20090324475 Superhard dielectric compounds and methods of preparation |
| 12/31/2009 | US20090320519 Recovery of Hydrofluoroalkanes |
| 12/31/2009 | DE102008028760A1 Verfahren zur Abtrennung von NOx aus einem epoxidhaltigen Gasstrom Process for separating NOx from an epoxy-containing gas stream |
| 12/30/2009 | CN101613092A Nanometer samarium nitride powder and preparation method thereof |
| 12/30/2009 | CN100574852C Plasma-assisted NOx reduction |
| 12/29/2009 | US7640067 Estimated parameter based control of a process for controlling emission of a pollutant into the air |
| 12/24/2009 | US20090317638 Polishing slurry, method for manufacturing the polishing slurry, nitride crystalline material and method for plishing surface of the nitride crystalline material |
| 12/23/2009 | CN201367354Y Nitrogen-making device with low energy consumption |