Patents
Patents for C01B 21 - Nitrogen; Compounds thereof (10,781)
05/2007
05/31/2007DE112005000930T5 Oxynitridpulver und Verfahren zur Herstellung davon Oxynitridpulver and process for preparation thereof
05/31/2007CA2630620A1 Method for isolating n2o
05/30/2007EP1789119A2 Conversion of nitrogen dioxide (no2) to nitric oxide (no)
05/30/2007EP1285691B1 Selective adsorbent for nitrogen and method for separating air using the same
05/30/2007CN1973063A Monocrystals of nitride containing gallium and its application
05/30/2007CN1970437A Method for preparing boron nitride nanotube by arc discharge
05/30/2007CN1970151A Process for the preparation of a microspheroidal catalyst
05/30/2007CN1970133A Ultra-high purity inert gas purification device and purification method
05/30/2007CN1318293C Method for solid-phase double decomposition to synthesize nanometer aluminium nitride
05/29/2007CA2229416C Removal of nitrogen oxides from a gas stream containing same
05/24/2007WO2007058287A1 Method and apparatus for modifying substance
05/24/2007US20070117210 Measurement Of Nitrogen Content In A Gas Mixture By Transforming The Nitrogen Into A Substance Detectable With Nondispersive Infrared Detection
05/24/2007US20070116623 Multi-metal-nitrogen compounds for use in hydrogen storage materials
05/24/2007DE102005055588A1 Purification of gas mixture comprising dinitrogen monoxide, useful as oxidizing agent for olefins, comprises absorption of the gas mixture in solvent, desorption from the solvent, absorption in water and desorption from the water
05/24/2007DE102005054327A1 Preparation of nitrogen with high humidity from compressed air, preferably for the production of a controlled atmosphere in a container, with an adsorption drier and a nitrogen-oxygen separation membrane
05/23/2007EP1786726A2 Mesoporous boron nitride having a homogeneous and ordered porosity and a high specific surface area and preparation method
05/23/2007CN2903023Y Carbon adding type nitrogen purifier
05/23/2007CN1317737C Method for synthesizing cadmium selenide and quantum point with cadmium selenide cadmium sulfide nucleocapsid structure
05/22/2007US7220393 body having a dilution inlet chambers, a chemical mixing chamber, and a dilution outlet chamber for diluting the pure nitric oxide into concentrations that have utility
05/22/2007CA2323432C Apparatus for effecting gas/liquid contact
05/17/2007US20070110644 System for manufacturing a fullerene derivative and method for manufacturing
05/17/2007US20070110619 pressure vessel, with reaction tube located inside wherein open end extends into pressure vessel and other end is located outside
05/16/2007CN1965399A High electron mobility transistor (hemt) made of layers of group xiii element nitrides and manufacturing method thereof
05/16/2007CN1962417A Stabilized hydroxylamine solutions
05/16/2007CN1316070C Substrate for epitaxy
05/15/2007US7217403 Method for synthesizing aluminum nitride
05/10/2007WO2007053252A1 Method of preparing metal-containing wood preserving compositions
05/10/2007US20070104622 Device for Catalytically Reducing Exhaust
05/10/2007US20070102111 Controlled nanotube fabrication and uses
05/09/2007EP1783096A1 Alpha-sialon powder and process for producing the same
05/08/2007US7214359 Cubic boron nitride, catalyst for synthesizing cubic boron nitride, and method for producing cubic boron nitride
05/03/2007WO2007049663A1 Stabilizer and method for stabilizing hydroxylamine, and stabilized hydroxylamine solution
05/03/2007US20070098613 Contacting a gas mixture including nitrous oxide with wire wovens and/or drawn-loop knits comprised of heat resistant iron-aluminum-chromium alloy coated with catalytically active noble metal; absorption; chemical reactor for catalytic oxidation of ammonia with air
05/02/2007CN1955110A Preparation method of silicon nitride nano wire and nano band powder material
05/02/2007CN1955109A Preparation method of hexagonal boron nitride and produced hexagonal boron nitride nulti-crystal powder
04/2007
04/26/2007WO2007045571A2 Method for the production of high-purity si3n4 powders
04/26/2007WO2006122924A3 Catalysts and method for the oxidation of ammonia
04/25/2007CN1954028A Methods for the synthesis of modular poly(phenyleneethynlenes) and fine tuning the electronic properties thereof for the functionalization of nanomaterials
04/25/2007CN1953800A Process for the purification of inert gases
04/25/2007CN1951803A High temperature nitriding method for preparing nano crystalline titanium nitride ceramic superfine powder
04/25/2007CN1951802A Recovery of the nitration acid mixtures from nitration processes
04/25/2007CN1312029C Nitrogen trifluoride production reactor
04/25/2007CN1312028C Process for synthesizing based si-based one-dimensional nano material
04/19/2007US20070086938 Aqueous solution of chromium salt and method for producing same
04/18/2007CN2890028Y Device for refining ammonium carbamate by using high-purity carbon dioxide
04/18/2007CN1950139A Method and apparatus utilising hydrogen peroxyde to reduce SOx, NOx and heavy metal emissions
04/18/2007CN1310830C An improved process for manufacturing highly concentrated hydroxylamine
04/12/2007WO2007039515A1 A method of removing nitrous oxide
04/11/2007EP1772183A1 Oxygen production process using three-stage pressure swing adsorption plants
04/11/2007CN2887838Y Four-tower multi-mode nitrogen making machine
04/11/2007CN2887837Y High-purity three-tower nitrogen making machine
04/11/2007CN2887423Y Nitrogen purifier
04/11/2007CN1944268A Method for preparing gallium nitride nano crystal using sol-gel method
04/11/2007CN1944267A Process for preparing tipped gallium nitride conical stick using self catalytic mode
04/11/2007CN1944249A Super fine titanium carbonitride powder and its preparing method
04/11/2007CN1944243A Continuously producing method for compounds containing carbon or nitrogen and its producing equipment
04/05/2007WO2007038581A1 A method of removing nitrous oxide
04/05/2007WO2006128742A3 Treatment and pre-treatment device, and manufacturing method therefor, involving nitric oxide
04/05/2007WO2005118468A3 Rotary kiln process for phosphoric acid manufacture
04/05/2007DE102005046108A1 Scintillator, useful for detecting thermal neutrons, comprises boron nitride
04/04/2007EP1769839A1 An improved two stage pressure swing adsorption process for producing enriched-oxygen
04/04/2007CN1942707A Method for in-furnace reduction flue gas acidity
04/04/2007CN1308229C Nitrogen-containing carbonaceous material and process for production thereof
04/03/2007US7198769 Multi-stage process for SCR of NOx
03/2007
03/29/2007US20070071666 Synthesis and use of nanocrystalline zeolites
03/28/2007EP1765745A2 Dissociation of molecular water into molecular hydrogen
03/28/2007EP1765727A1 Method for processing aqueous media containing metal nitrate or sulphate salts
03/28/2007EP1765726A1 Process and apparatus for producing concurrently hydrogen or ammonia and metal oxide nanoparticles
03/28/2007CN2883325Y Combined nitrogen, oxygen producer
03/28/2007CN1938221A Aluminum nitride powder and aluminum nitride sintered compact
03/28/2007CN1307090C Method for prodn, of nitrate-Containing products from undercooling metals
03/28/2007CN1307089C Temperature-controlling activated self-spreading combustion process of synthesizing alpha-phase SiN powder
03/28/2007CN1307047C High solid HBV slurry, paste, spherical powder, and method of making and using them
03/28/2007CN1306986C PSA process for co-producing nitrogen and oxygen
03/22/2007WO2007032090A1 Process for producing aluminum nitride
03/22/2007WO2006108991A3 Obtaining ammonium dinitramide (adn) crystals, and crystals and the energetic composites containing them
03/22/2007WO2006037311A3 Method for increasing the conversion of group iii metals to group iii nitrides in a fused metal containing group iii elements
03/22/2007US20070065665 Polylactic acid polymer and plasticizer, flexibility, in order for the material not to become damaged by cold stretching when bent or folded
03/21/2007EP1763488A1 Method for the preparation of a gas or mixture of gases containing molecular fluorine
03/21/2007CN2880799Y Bottom reversing flow device for producing nitrogen 15
03/21/2007CN2880798Y Top reversing flow device for producing nitrogen 15
03/21/2007CN1934286A Process for producing material film and material film production apparatus
03/21/2007CN1934029A Oxynitride powder and method for producing same
03/21/2007CN1305758C Method for the production of an aqueous hydroxylamine solution
03/20/2007US7192644 Non-aqueous borate routes to boron nitride
03/20/2007US7192566 Process for the catalytic decomposition of N2O to N2 and O2 carried out at high temperature
03/15/2007WO2007029940A1 Method for purifying nitrogen trifluoride
03/15/2007WO2007029744A1 Group iii/v nitride semiconductor, photocatalyst semiconductor element, photocatalytic redox reaction apparatus, and photoelectrochemical reaction execution method
03/15/2007WO2007028267A1 Methods and devices for flame spray pyrolysis
03/15/2007WO2006018545A3 Mesoporous boron nitride having a homogeneous and ordered porosity and a high specific surface area and preparation method
03/14/2007EP1762543A1 Device for cooling process gas
03/14/2007EP1761325A1 METHOD AND APPARATUS UTILISING HYDROGEN PEROXYDE TO REDUCE SOx, NOx AND HEAVY METAL EMISSIONS
03/14/2007CN1927702A Energy-saving process of producing hydrazine hydrate
03/14/2007CN1304278C Method for producing cubic boron nitride
03/14/2007CN1304277C Preparation method of nano V-Cr oxygen nitride powders
03/13/2007US7189774 Method for making high thermal diffusivity boron nitride powders
03/13/2007CA2242621C Improved faujasite-aggregate absorbent, the procedure for producing it, and its use in the non-cryogenic separation of industrial gases
03/08/2007WO2006084910A3 Device and method for treatment of dermatomycosis, and in particular onychomycosis
03/08/2007WO2005095883A3 Apparatus for processing highly corrosive agents
03/08/2007DE19952337B4 Verfahren zur Herstellung von siliciumhaltigen Vorläufern, den Vorläufer selbst und Verfahren zur Herstellung von Keramikmaterialien Process for the preparation of silicon-containing precursors, the precursors themselves and methods for the preparation of ceramic materials
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