| Patents for C01B 21 - Nitrogen; Compounds thereof (10,781) |
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| 01/16/2013 | CN202671206U Intelligent blowdown system |
| 01/16/2013 | CN202671205U PSA (pressure swing adsorption) nitrogen generating system for vehicular air conditioner |
| 01/16/2013 | CN1890021B Mixed metal oxide sorbents |
| 01/16/2013 | CN102874778A Method for preparing BCNO fluorescent powder by sintering precursors at low temperature |
| 01/16/2013 | CN102874777A High-specific-surface-area mesoporous graphite-phase carbon nitride material and preparation method thereof |
| 01/16/2013 | CN102874776A Method for preparing boron nitride nanotubes with pipe diameters less than 100 nanometers in batch |
| 01/16/2013 | CN102874775A Preparation method of scandium nitride cubic crystal |
| 01/10/2013 | WO2013004423A1 Process for the preparation of trisilylamine from monochlorosilane and ammonia |
| 01/10/2013 | US20130011317 Method for the preparation of boron nitride powder |
| 01/10/2013 | DE102011051647A1 Preparing aluminum nitride in common salt structure comprises reacting a powdery nanoscale sample of a nitrogen-rich aluminum compound or a mixture of aluminum compound and a nitrogenous substance in a closed cavity of a sample container |
| 01/09/2013 | CN202657960U Novel device for refining ammonium carbamate by high-purity carbon dioxide |
| 01/09/2013 | CN202657959U Multifunctional nitrogen making machine |
| 01/09/2013 | CN202654906U Air separation device |
| 01/09/2013 | CN101905874B Nitrogen making machine with three-tower structure |
| 01/08/2013 | CA2621462C Hydrocarbon processing devices and systems for engines and combustion equipment |
| 01/03/2013 | WO2013003074A1 Synthesis method of transition metal nitride and transition metal nitride |
| 01/03/2013 | US20130005112 Method of forming phase change material layer using ge(ii) source, and method of fabricating phase change memory device |
| 01/03/2013 | US20130004401 Device and method for producing a tubular refractory metal compound structure |
| 01/02/2013 | CN202649015U Dynamic standard gas generator |
| 01/02/2013 | CN202645659U Steam waste heat utilization device used for nitric acid production line |
| 01/02/2013 | CN202643325U Device for improving ammonia oxidation rate of diluted nitric acid |
| 01/02/2013 | CN102849696A Preparation method of hydrazine hydrate under intense mixing |
| 01/02/2013 | CN102849695A Method for preparing silicon nitride by using recovery purification silicon wafer sawdust powder |
| 01/02/2013 | CN102849694A Preparation method of batch preparation of boron nitride nanotube |
| 01/02/2013 | CN102847433A Treatment method for tail gas generated in production of sodium nitrate and sodium nitrite |
| 01/02/2013 | CN102219195B Method for removing magnesium nitride from porous aluminum nitride or porous gallium nitride particles |
| 01/02/2013 | CN102211763B Method for preparing copper nitride nano crystalline |
| 01/02/2013 | CN101654229B Method for preparing fluorine-containing sulphonyl (phosphoryl) imine and alkali metal salt thereof |
| 01/02/2013 | CN101531348B System for preventing unnecessary shutdown of a high-purity gas production plant |
| 01/01/2013 | US8343449 Device and method for producing a tubular refractory metal compound structure |
| 12/27/2012 | WO2012176448A1 Sterilization system and gas filling method |
| 12/27/2012 | WO2012176291A1 Method for forming silicon oxynitride film, and substrate having silicon oxynitride film produced using this formation method |
| 12/27/2012 | WO2012134424A3 Purification of barium ion source |
| 12/27/2012 | US20120329245 Group III Nitride Crystal and Method for Producing the Same |
| 12/27/2012 | US20120328883 Synthesis method of transition metal nitride and transition metal nitride |
| 12/27/2012 | US20120328504 Method for preparing a solution including monochloramine |
| 12/26/2012 | CN202632074U Intelligent control system of nitrogen making machine |
| 12/26/2012 | CN202625856U Abrasion-free compressing device for adsorption tower of nitrogen making machine |
| 12/26/2012 | CN202625855U Nitrogen making machine silencer |
| 12/26/2012 | CN202625854U Nitrogen recycling device |
| 12/26/2012 | CN202625853U Nitrogen generating system |
| 12/26/2012 | CN202624027U Gas source vehicle |
| 12/26/2012 | CN202620980U Airflow even distribution device for nitrogen making machine adsorber |
| 12/26/2012 | CN102838096A Joint production method and production device of dilute nitric acid and concentrated nitric acid |
| 12/26/2012 | CN102179252B Cu/CeOx-TiO2 catalyst for selective catalytic oxidization of ammonia and preparation method thereof |
| 12/26/2012 | CN102036911B A method and apparatus for on-site production of nitrate ions |
| 12/26/2012 | CN101745392B Catalyst composition for preparing hydroxylammonium salt |
| 12/25/2012 | US8337798 Crystal producing apparatus, crystal producing method, substrate producing method, gallium nitride crystal, and gallium nitride substrate |
| 12/25/2012 | US8337797 Method for producing bis(fluorosulfonyl)imide |
| 12/20/2012 | WO2012172860A1 Inorganic polysilazane, silica film-forming coating liquid containing same, and method for forming silica film |
| 12/20/2012 | US20120318662 Method for forming bond between different elements |
| 12/19/2012 | EP2535971A1 Method of producing fuel cell electrode catalyst, method of producing transition metal oxycarbonitride, fuel cell electrode catalyst, and uses of same |
| 12/19/2012 | EP2533894A1 Catalyst structures |
| 12/19/2012 | CN202605985U Middle barrel mechanism for nitric acid absorption tower |
| 12/19/2012 | CN202605984U Middle barrel liquid distribution pipe mechanism for nitric acid absorption tower |
| 12/19/2012 | CN202605983U Middle cylinder body packing mechanism for nitric acid absorption tower |
| 12/19/2012 | CN102826521A Control system of nitrogen dioxide content |
| 12/19/2012 | CN102826520A Method for implementing co-production of ammonium sulfate from ADC foaming agent wastewater by extracting hydrazine hydrate |
| 12/18/2012 | US8333997 Compositions for sustained release of nitric oxide, methods of preparing same and uses thereof |
| 12/13/2012 | WO2012169909A1 Triaminocyclopropenium salts |
| 12/13/2012 | US20120315568 Process for producing fuel cell electrode catalyst, process for producing transition metal oxycarbonitride, fuel cell electrode catalyst and uses thereof |
| 12/13/2012 | US20120315210 HYDRAZINE-COORDINATED Cu CHALCOGENIDE COMPLEX AND METHOD OF PRODUCING THE SAME |
| 12/13/2012 | US20120315208 Crucible for photovoltaics |
| 12/12/2012 | EP1571194B1 Oxonitride phosphor and method for production thereof, and luminescent device using the oxonitride phosphor |
| 12/12/2012 | CN202594788U Heating device for synthesis of superhard material |
| 12/12/2012 | CN202594786U Heating device for synthesizing cubic boron nitride |
| 12/12/2012 | CN202590740U Anti-squeezing-hand pressing machine for production of cubic boron nitride (CBN) |
| 12/12/2012 | CN102814056A Treating method for tail gas containing nitrogen dioxide |
| 12/11/2012 | US8329607 Layered diesel oxidation catalyst composites |
| 12/11/2012 | US8329130 Method of synthesizing crystalline polymeric boron-nitrogen compound and dehydrogenation of boron-nitrogen-hydrogen complex |
| 12/11/2012 | US8328917 System and method for photocatalytic oxidation air filtration using a substrate with photocatalyst particles powder coated thereon |
| 12/06/2012 | WO2012087862A3 Microdispersions of hydroxamated polymers and methods of making and using them |
| 12/06/2012 | US20120308759 Low-dislocation monocrystalline aln substrate |
| 12/06/2012 | US20120305497 Fenton and Fenton-Like System Hardening Agent and Usage Thereof |
| 12/06/2012 | US20120304762 Method for making a pyrolytic boron nitride article |
| 12/06/2012 | DE19701771B4 Verfahren zum Herstellen von hexagonalem Bornitrid-Pulver A process for producing hexagonal boron nitride powder |
| 12/05/2012 | EP2530049A1 Process for production of spherical aluminum nitride powder, and spherical aluminum nitride powder produced by the process |
| 12/05/2012 | EP2530048A1 Semiconductor Nanoparticle Production Method, Semiconductor Nanoparticle, and Phosphor Using the Same |
| 12/05/2012 | EP2528867A2 Purification of barium ion source |
| 12/05/2012 | CN202575981U Nitrogen oxide gas recovery device |
| 12/05/2012 | CN202575980U Nitrogen making machine |
| 12/05/2012 | CN202575979U Nitrogen recovery device |
| 12/05/2012 | CN102807204A Method for preparing aluminum nitride/carbon nano tube composite material |
| 12/05/2012 | CN102807198A Nitrogen dioxide recovery system |
| 12/05/2012 | CN102807197A Control and recovery system for nitrogen dioxide content |
| 12/05/2012 | CN102807196A Method for preparing silicon nitride nano material |
| 12/05/2012 | CN102174324B Phosphor and light emission appliance using phosphor |
| 12/05/2012 | CN102139920B Preparation method for nanoscale transition metal nitride/carbon composite material |
| 12/05/2012 | CN102092694B Technology for preparing nickel sulfamate through extraction method |
| 12/04/2012 | US8323601 Catalysts for lean burn engines |
| 12/04/2012 | US8323407 Gallium trichloride injection scheme |
| 11/29/2012 | WO2012160280A2 Method for producing lithium or sodium bis(fluorosulfonyl)imidide |
| 11/29/2012 | CA2833821A1 Method for producing lithium or sodium bis(fluorosulfonyl)imidide |
| 11/28/2012 | EP2527294A1 Nitrogen-containing carbon material and method of producing the same |
| 11/28/2012 | CN202558631U Optimization control structure for product load of nitrogen making machine |
| 11/28/2012 | CN102795654A Method for recovering nitric acid and copper sulfate pentahydrate from circuit board cutting-hanging liquid waste |
| 11/28/2012 | CN102795608A Method for purification and recovery of argon, nitrogen and hydrogen by rare earth alloy-sponge titanium mixture |
| 11/28/2012 | CN102795606A Method for preparing aluminum nitride sheet |
| 11/28/2012 | CN102794099A Flue gas wet-type reduction denitration and harmless processing method |
| 11/27/2012 | US8318630 Catalyst for removing nitrogen oxides and method for removing nitrogen oxides using the same |