| Patents for C01B 21 - Nitrogen; Compounds thereof (10,781) |
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| 01/15/2009 | US20090017332 Crystalline ternary ceramic precursors |
| 01/15/2009 | US20090013718 Method for the simultaneous recovery of a pure helium and pure nitrogen fraction |
| 01/14/2009 | CN101343049A Synthesis of composite powder of aluminum nitride and aluminum nitride/aluminum oxide |
| 01/13/2009 | US7476373 Treating agent for exhaust gas containing metal hydride compound and method for treating exhaust gas containing metal hydride compound |
| 01/13/2009 | CA2503842C Method for production of nitrate-containing products from undercooling melts |
| 01/13/2009 | CA2423030C New catalytic device for the implementation of a reaction in a gaseous medium at high temperature |
| 01/13/2009 | CA2301035C Electrosynthesis of hydroxylammonium salts and hydroxylamine using a mediator, a catalytic film, methods of making the catalytic film, and electrosynthesis of compounds using the catalytic film |
| 01/07/2009 | CN201176398Y High-efficiency intelligent special nitrogen making machine for food package |
| 01/07/2009 | CN101341090A Mixed hydrogen generation material |
| 01/07/2009 | CN101337662A Process for producing sodium nitrite by direct crystallization process |
| 01/06/2009 | CA2260816C Process for removing nox from nitrosylsulphuric acid |
| 01/06/2009 | CA2258187C Process for production of ammonium thiosulphate |
| 01/02/2009 | DE10114821B4 Wässrige Hydroxylamin-Lösung Aqueous hydroxylamine solution |
| 01/01/2009 | US20090004087 Broadens magnetic transition temperature range of manganese nitride, temperature range thereof in which negative thermal expansion is exhibited, for example, to 100 degrees C.; can be utilized for high-precision optical and machinery articles that must be protected from temperature dependence of shape |
| 12/31/2008 | WO2009000072A1 Method for recovering nitric acid and purifying silver nitrate electrolyte |
| 12/31/2008 | WO2008111960A3 Metal oxide fibers and nanofibers, method for making same, and uses thereof |
| 12/31/2008 | EP2007680A1 Use of zirconium oxynitride catalysts for ammonia decomposition |
| 12/31/2008 | EP1198412B1 Energy-activated compositions for controlled sustained release of a gas |
| 12/31/2008 | CN201172625Y High gradient intense magnetic field two-channel oxygen-collecting and nitrogen-collecting device |
| 12/31/2008 | CN201171977Y Sleeve type methanol or ammonia reactor |
| 12/31/2008 | CA2691465A1 Method for recovering nitric acid and purifying silver nitrate electrolyte |
| 12/30/2008 | CA2501666C Method for the production of an aqueous hydroxylamine solution |
| 12/25/2008 | US20080317656 passing an alcohol or nitrile, or an alcohol and nitrile mixture along with ammonia and oxygen into a reaction zone in the presence of catalyst comprises modified manganese and phosphorus oxides |
| 12/24/2008 | WO2008157067A1 Solid solution lithium alloy cermet anodes |
| 12/24/2008 | CN101327432A Rare-earth composite oxide catalyst for preparation of nitric acid by ammoxidation |
| 12/24/2008 | CN100445199C Preparation method of silicon nitride nano wire and nano band powder material |
| 12/23/2008 | US7468174 Method for producing chlorosulfonyl isocyanate |
| 12/23/2008 | US7468173 mixing air comprising oxygen and nitrogen, with a reducing gas, then feeding the mixture into a chemical reactor, where oxygen is reduced producing an effluent gas comprising nitrogen and water and separation of nitrogen for use in well completion |
| 12/18/2008 | WO2008088774A3 Improved process for making boron intride |
| 12/18/2008 | US20080308906 GaN SUBSTRATE, SUBSTRATE WITH EPITAXIAL LAYER, SEMICONDUCTOR DEVICE, AND METHOD OF MANUFACTURING GaN SUBSTRATE |
| 12/17/2008 | CN101323464A Multiactivating preparation of titanium carbonitride nanopowder |
| 12/17/2008 | CN101323440A Pipeline reactor and method for synthesizing hydrazine hydrate by using the same |
| 12/17/2008 | CN101323439A Method for preparing one-dimensional aluminum nitride nanowire by carbothermic method |
| 12/17/2008 | CN101323438A Cubic boron nitride synthetic method |
| 12/17/2008 | CN101323437A Explosion impact synthetic method of beta-C3N4 |
| 12/17/2008 | CN100443443C Combustion synthesis method of sub-micron titanium carbide nitride powder |
| 12/17/2008 | CN100443399C Wet scrubbing apparatus and method for controlling NOx emissions |
| 12/16/2008 | CA2322707C Synthesis method for powder ceramic complexes of refractory metals |
| 12/11/2008 | WO2008150211A1 Process for the production of polyaluminium salts |
| 12/11/2008 | WO2008148986A2 Improved atmospheric-pressure aluminium brazing method |
| 12/11/2008 | WO2008148487A1 Device and method for catalytic gas phase reactions and the use thereof |
| 12/11/2008 | US20080305024 New XLi3N2 compounds and their hydrides as hydrogen storage materials |
| 12/11/2008 | DE102007026712A1 Vorrichtung und Verfahren für katalytische Gasphasenreaktionen sowie deren Verwendung Apparatus and method for catalytic gas phase reactions and their use |
| 12/11/2008 | CA2690002A1 Device and method for catalytic gas phase reactions and the use thereof |
| 12/10/2008 | CN201162491Y Film pipe group structure of nitrogen producing units |
| 12/10/2008 | CN201162490Y Full cover type prizing membrane separation nitrogen producing apparatus |
| 12/10/2008 | CN101319401A Method suitable for silicon nitride crystal whisker growth |
| 12/10/2008 | CN101318639A Method for preparing nano-titanium nitride with mesoporous organic-inorganic composite precursors |
| 12/10/2008 | CN101318638A Novel method for preparing nano-carbon titanium nitride powder with precursors |
| 12/10/2008 | CN101318637A Process for producing nano-silicon nitride ceramics powder |
| 12/10/2008 | CN101318636A Method for preparing hexagonal boron nitride containing composite material with nitridation in situ |
| 12/10/2008 | CN101318635A Process and apparatus for producing high-purity nitrogen gas |
| 12/10/2008 | CN101318634A Low-purity nitrogen gas producing method |
| 12/10/2008 | CN100441501C System for preparing nanometer silicon nitride powder |
| 12/09/2008 | US7462342 Using aqueous alkaline solution; water soluble adjuvant; adjustment pH; stirring |
| 12/04/2008 | WO2008147689A1 Boron nitride and boron nitride-derived materials deposition method |
| 12/04/2008 | WO2008146865A1 Method for production of ultraviolet light-emitting hexagonal boron nitride crystal |
| 12/04/2008 | US20080299375 ALxGayIn1-x-yN substrate, cleaning method of AIxGayIn1-x-yN substrate, AIN substrate, and cleaning method of AIN substrate |
| 12/04/2008 | US20080299066 Energy-activated compositions for controlled sustained release of a gas |
| 12/04/2008 | US20080299028 Catalyst and process for the conversion of nitrous oxide |
| 12/04/2008 | US20080296537 Gas-phase functionalization of carbon nanotubes |
| 12/04/2008 | DE102004012666B4 Redundantes Gasreinigungssystem Redundant gas cleaning system |
| 12/02/2008 | CA2299475C Method for producing an aqueous solution of free hydroxylamine |
| 11/27/2008 | US20080292526 Reacting cyanometallic acid such as hexacyanocobaltic acid with a dialkylzinc to form an alkoxylation catalyst; use to make tailored polyether polyols for use in e.g. polyurethane foams |
| 11/27/2008 | US20080292521 Periodic mesoporous phosphorus-nitrogen compounds |
| 11/27/2008 | US20080292516 Method and apparatus for local fluorine and nitrogen trifluoride production |
| 11/27/2008 | US20080289569 Method for Producing Group 13 Metal Nitride Crystal, Method for Manufacturing Semiconductor Device, and Solution and Melt Used in Those Methods |
| 11/26/2008 | EP1993951A2 Separation of light gases from halogens |
| 11/26/2008 | CN101311107A Method for gas stripping and separating hydrazine from hydrazine-containing solution using acetone and use thereof |
| 11/25/2008 | CA2293319C Method for producing highly pure aqueous hydroxylamine solutions |
| 11/20/2008 | WO2008139078A2 Gaseous mixture containing o2 and n2o for preventing or reducing hyperalgesia |
| 11/20/2008 | US20080287589 Sensing/Actuating Materials Made From Carbon Nanotube Polymer Composites and Methods for Making Same |
| 11/20/2008 | US20080286188 Process for the Preparation of a Urea-Comprising Aqueous Stream |
| 11/20/2008 | US20080282978 Process For Manufacturing A Gallium Rich Gallium Nitride Film |
| 11/20/2008 | CA2680016A1 Gaseous mixture containing o<sb>2</sb> and n<sb>2</sb>o for preventing or reducing hyperalgesia |
| 11/19/2008 | CN101306301A Containerized gas separation system |
| 11/13/2008 | WO2008083894A3 Pigment mixtures |
| 11/13/2008 | US20080280749 Highly-pure fine titanium carbide powder having a maximum particle size of 100 nm or less; smaller particle sizes, enhanced sinterability, can be sintered at lower temperature; improving high-temperature hardness and wear-resistant characteristic in WC/Co-based hard metal cutting tools |
| 11/13/2008 | DE102007022462A1 Verfahren und Vorrichtung zur Behandlung einer Ammoniumcarbonatlösung Method and apparatus for treating an ammonium carbonate |
| 11/12/2008 | CN201147667Y Oxygen-enriched desorption recovery device for pressure swing adsorption nitrogen making |
| 11/12/2008 | CN101302004A Single-phase Mn6N2.58 power preparation |
| 11/12/2008 | CN101301515A Extinguishment method of fire-fighting truck with movable nitrogen making machine group and equipment thereof |
| 11/12/2008 | CN100431948C Unit of exhausting waste gas of pusher plate kiln for producing alloy of vanadium-nitrogen and method for exhausting waste gas |
| 11/06/2008 | WO2008134009A2 Non-cryogenic nitrogen generators and methods of use |
| 11/06/2008 | US20080274033 Methods of generating hydrogen with nitrogen-containing hydrogen storage materials |
| 11/06/2008 | US20080274032 Purification of a gas mixture ; absorption in a solvent; then water; desorption in solvent, then water; oxidizer for olefins |
| 11/06/2008 | US20080272392 Nondestructively evaluated by X ray diffraction; quantitatively defining quality of surface layer; epitaxially grown; light emitting devices |
| 11/05/2008 | EP1988142A1 Nanocrystal, method for preparing the same and electronic device comprising the same |
| 11/05/2008 | CN101298321A Preparation of titanium nitride nanopower |
| 11/05/2008 | CN100430314C Boron-carbon-nitrogen material phase regulated dissolvent heat constant pressure synthesis method |
| 11/05/2008 | CN100430313C Controllable hydrothermal constant pressure synthesis method for preparation of boron-carbon-nitrogen material |
| 10/29/2008 | EP1984052A1 Method and apparatus for generating nitric oxide for medical use |
| 10/29/2008 | CN101296862A Method and apparatus for producing synergistic biocide |
| 10/28/2008 | US7442352 Desulfurization, demetallization; using fluoropolymer asdsorbers; surface filtration |
| 10/23/2008 | WO2008126799A1 Mesoporous carbon nitride material and process for producing the same |
| 10/22/2008 | CN101289174A Method for preparing TiN nano-powders |
| 10/22/2008 | CN101289173A Method for preparing p-typed III-nitride material impured at superlattice positions |
| 10/22/2008 | CN101289172A Process for preparing InN nano-wire and nano-rods by chemical vapor transport method |
| 10/21/2008 | US7438883 High-pressure phase silicon nitride having a cubic spinel structure and the manufacturing method |
| 10/21/2008 | US7438876 Multi-stage heat absorbing reactor and process for SCR of NOx and for oxidation of elemental mercury |