| Patents for C01B 21 - Nitrogen; Compounds thereof (10,781) |
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| 10/03/2013 | WO2013146713A1 Silicon nitride powder production method, silicon nitride powder, silicon nitride sintered body and circuit substrate using same |
| 10/03/2013 | US20130260094 Substrates with conductive coatings |
| 10/03/2013 | US20130259793 Method for Obtaining or Recovering Nitric Acid and Hydrofluoric Acid from Solutions of Stainless Steel Pickling Systems |
| 10/02/2013 | CN203220839U Separation sleeve type adsorption tower for carbon molecular sieve nitrogen-making device |
| 10/02/2013 | CN203220836U Blow-down device for nitrogen purifying machine |
| 10/02/2013 | CN103339456A Apparatus for use in production of nitric acid |
| 10/02/2013 | CN103332663A Microfluidics-based initiating explosive synthesis system and method thereof |
| 10/02/2013 | CN103332662A Method for preparing alpha phase and beta phase silicon nitride powder by improved direct nitriding method |
| 10/02/2013 | CN103332661A Porous GaN preparation method |
| 10/02/2013 | CN103332660A Nitrogen recycling device |
| 10/01/2013 | US8546296 Exhaust gas-purifying catalyst, powdery material, and method of manufacturing exhaust gas-purifying catalyst |
| 10/01/2013 | US8545789 Method for manufacturing hydroxylamine |
| 10/01/2013 | US8545779 Sulfur-tolerant perovskite NOx oxidation catalysts |
| 10/01/2013 | US8545626 Nitride semiconductor crystal and its production method |
| 09/26/2013 | WO2013138874A1 Method and device for separating gases |
| 09/26/2013 | US20130251615 Polycrystalline group iii metal nitride with getter and method of making |
| 09/25/2013 | CN203216257U Pushed slab kiln for compounding and sintering vanadium nitride through microwave-electric hybrid heating |
| 09/25/2013 | CN203212333U Marine movable membrane separation nitrogen making machine |
| 09/25/2013 | CN103328134A Ferromagnetic granular powder and method for manufacturing same, as well as anisotropic magnet, bonded magnet, and pressed-powder magnet |
| 09/25/2013 | CN103319291A Novel green initiating explosive copper hydrazine azide and preparation method thereof |
| 09/25/2013 | CN103318859A Rectification dehydration tower and dehydration method for nitrogen dioxide |
| 09/25/2013 | CN103318858A Method of preparing hydroxylamine salt by using reaction-extractive distillation coupling technology |
| 09/25/2013 | CN103318857A Method for synthesizing silicon nitride nano ring by CVD (chemical vapor deposition) method |
| 09/25/2013 | CN103318856A Cubic boron nitride current drop prevention technology |
| 09/25/2013 | CN103318855A Preparation method of chromium nitride |
| 09/25/2013 | CN102046266B Process for purifying dinitrogen monoxide |
| 09/24/2013 | US8541334 Catalyst carrier, catalyst and process for producing the same |
| 09/19/2013 | US20130244036 Aluminum nitride powder and method of producing the same |
| 09/19/2013 | US20130243680 Group 13 nitride crystal and group 13 nitride crystal substrate |
| 09/18/2013 | EP2637985A1 Boron nitride agglomerates, method for producing same, and use thereof |
| 09/18/2013 | CN203203315U Air-conditioned refrigerator freshness-keeping system |
| 09/18/2013 | CN203200026U Two-tower middle-and-upper-pressure-equalizing nitrogen making machine |
| 09/18/2013 | CN203200025U Nitrogen production equipment |
| 09/18/2013 | CN203200024U Automatic-control outputting and unloading device of nitrogen making machine |
| 09/18/2013 | CN103313933A Method for producing fluorine compound |
| 09/18/2013 | CN103303880A Production process for preparing high-nitrogen vanadium nitride by using vacuum furnace method |
| 09/18/2013 | CN102627263B Method for preparing magnesium-doped aluminum nitride nanowire |
| 09/18/2013 | CN102556986B Method for synthesizing sub-micron single-phase silicon nitride powder |
| 09/17/2013 | US8535632 Ceramic nanofibers containing nanosize metal catalyst particles and medium thereof |
| 09/12/2013 | WO2013134645A1 System and method for concentrating gas by adsorption |
| 09/12/2013 | WO2013133992A1 Ammonia oxidation reactor with internal filter element |
| 09/11/2013 | CN203187406U Energy-saving nitric acid purifying device |
| 09/11/2013 | CN203183925U Device for detecting hollow fiber membrane used in nitrogen preparation |
| 09/11/2013 | CN103289274A Preparation method of super material substrate and super material antenna |
| 09/11/2013 | CN103288645A Method for separating dimethyl ether and recovering ammonia in co-production process for dimethyl carbonate and dimethyl ether via urea alcoholysis method |
| 09/11/2013 | CN103288062A Method for synthesizing silicon nitride powder in ordinary pressure nitridation reaction mode |
| 09/11/2013 | CN102659088B Water-phase synthesis method of sodium azide |
| 09/11/2013 | CN102105224B Stable ferrous-ferric nitrate solutions for fischer-tropsch catalyst preparation |
| 09/10/2013 | US8530544 Modification of the surface chemistry of macromolecular species in the presence of a conjugated guanidine |
| 09/10/2013 | US8529861 Method to carry out strongly exothermic oxidizing reactions in pseudo-isothermal conditions |
| 09/05/2013 | US20130230447 Gallium nitride substrate and optical device using the same |
| 09/05/2013 | US20130230436 Hollow fiber membrane separator with integral ozone converter |
| 09/04/2013 | EP2633897A1 Pressure swing adsorption system and pressure swing adsorption method without connection line between adsorber chamber outlet and gas discharge lines |
| 09/04/2013 | CN203173820U Cooling water recirculation system of oxidation absorption tower for nitric acid production device |
| 09/04/2013 | CN103282307A Polycrystalline silicon ingot casting mold, and silicon nitride powder for mold release material, slurry containing silicon nitride powder for mold release layer and casting release material therefor |
| 09/04/2013 | CN103274376A Method and device for producing NO gas by atmosphere pressure air source micropore plasma discharging |
| 09/04/2013 | CN103274375A Method for preparing aluminum nitride powder |
| 09/04/2013 | CN103274374A Cubic boron nitride (CBN) diamond and manufacturing method thereof |
| 09/04/2013 | CN103274373A Method for preparing room-temperature ferromagnetic Ge-doped GaN powder |
| 09/04/2013 | CN102583275B GaN nanocrystalline prepared through alcohol-thermal method and preparation method of GaN nanocrystalline |
| 09/04/2013 | CN102502534B Preparation method of mesoporous AlN or GaN microparticle |
| 09/04/2013 | CN102465226B Method for utilizing carbon-nitrogen-oxygen vanadium to prepare vanadium-nitrogen alloy |
| 09/03/2013 | US8524114 Nitrates |
| 09/03/2013 | CA2745175C Recycle tsa regen gas to boiler for oxyfuel operations |
| 08/28/2013 | CN203159227U Intelligent nitrogen-making device |
| 08/28/2013 | CN203159226U Membrane separation nitrogen making machine |
| 08/28/2013 | CN203159225U Nitrogen making machine |
| 08/28/2013 | CN203159224U Nitrogen generator capable of automatically adjusting pressure |
| 08/28/2013 | CN203159223U High-purity nitrogen maker |
| 08/28/2013 | CN203155049U Pressure swing adsorption system |
| 08/28/2013 | CN103269975A Polycrystalline silicon ingot casting mold and method for producing same, and silicon nitride powder for mold release material for polycrystalline silicon ingot casting mold and slurry containing same |
| 08/28/2013 | CN103269973A Method and arrangement for generating nitric oxide |
| 08/28/2013 | CN103265094A Method for recycling nitric acid and copper from waste water generated in production of printed circuit board |
| 08/28/2013 | CN102001635B Process for preparing ultrapure nitric acid |
| 08/27/2013 | US8518362 Stabilization and ionic triggering of nitric oxide release |
| 08/22/2013 | US20130216461 Nitric acid production |
| 08/21/2013 | CN203144108U Small pressure-swing adsorption nitrogen-making device |
| 08/21/2013 | CN203144096U Hydrogen and nitrogen purification integrated device |
| 08/21/2013 | CN203139992U Automatic feeder for production of nickel aminosulfonate or cobalt aminosulfonate |
| 08/21/2013 | CN203139671U Recycling device of extraction agent and nitrogen used for analysis on special tobacco nitrosamine in cigarette smoke |
| 08/21/2013 | CN103255431A Method of preparing mixed gas of N2O3 or NO2 and NO by virtue of indirect electrolysis |
| 08/21/2013 | CN102503434B Method for synthesizing silicon nitride powder by nitriding silicon powder under conditions of medium temperature and micro positive pressure |
| 08/21/2013 | CN102417168B Method for producing calcium nitride powder |
| 08/21/2013 | CN101541673B Process for purifying perfluorinated products |
| 08/20/2013 | US8512667 High temperature stable nanocrystalline SiGe thermoelectric material |
| 08/20/2013 | US8512447 Method for purifying a chlorine supply |
| 08/15/2013 | WO2013119902A1 Liquid phase synthesis of trisilylamine |
| 08/15/2013 | WO2013119883A1 Gas purifier |
| 08/15/2013 | US20130209343 Liquid phase synthesis of trisilylamine |
| 08/14/2013 | CN203128202U Nitrogen making device for automatic control air compression station |
| 08/14/2013 | CN203128201U System for purifying electrolytic copper powder in reducing atmosphere |
| 08/14/2013 | CN203128200U Device for improving purity of electrolytic copper powder in reducing atmosphere |
| 08/14/2013 | CN103249695A Boron nitride agglomerates, method for producing same, and use thereof |
| 08/14/2013 | CN103249671A Processes for removing hydrazine form hydroxylamine solutions |
| 08/14/2013 | CN103241718A Full-automatic nitrogen charging apparatus for photoelectric instruments |
| 08/14/2013 | CN102177092B Destruction of ammonium ions |
| 08/08/2013 | WO2013115831A1 Nickel-free titanium dioxide surfaces and methods for making and using them |
| 08/08/2013 | WO2013113592A1 Method for producing chlorine dioxide |
| 08/07/2013 | EP2623458A1 Method for manufacturing spherical aluminum nitride powder |
| 08/07/2013 | EP2621871A1 Nitride nuclear fuel and method for its production |