| Patents for C01B 21 - Nitrogen; Compounds thereof (10,781) |
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| 06/20/2012 | CN102502541A Production method of high-concentration dilute nitric acid |
| 06/20/2012 | CN102502540A C3N4 preparation method |
| 06/20/2012 | CN102502539A Method for preparing yttrium-doped nano aluminum nitride powder |
| 06/20/2012 | CN102502538A Method for synthesizing ultrafine aluminum nitride powder at low temperature under assistance of calcium |
| 06/20/2012 | CN102502537A Method for preparing porous aluminum nitride or gallium nitride slice or thin strip by dealloying |
| 06/20/2012 | CN102502536A Preparation method of high-purity silicon nitride powder |
| 06/20/2012 | CN102502535A Method for preparing carbon coated hexagonal boron nitride |
| 06/20/2012 | CN102502534A Preparation method of mesoporous AlN or GaN microparticle |
| 06/20/2012 | CN102502533A Nitrogen gas recovery device for grain depot |
| 06/19/2012 | US8202819 Catalyst system to be used in automobile exhaust gas purification apparatus, exhaust gas purification apparatus using the same and exhaust gas purification method |
| 06/14/2012 | WO2012077551A1 Aluminum nitride powder and process for manufacturing same |
| 06/13/2012 | EP2463232A1 Process and installation for producing high-pressure gaseous nitrogen |
| 06/13/2012 | CN202275287U 一种基于管理终端的制氮机 Nitrogen based management terminal |
| 06/13/2012 | CN202272739U 一种具有制冷装置的制氮机 Nitrogen having a refrigeration unit |
| 06/13/2012 | CN202272738U 一种可远程监控的制氮机 One kind of remote monitoring Nitrogen |
| 06/13/2012 | CN202269339U 一种可平衡气调库压力的制氮机 One kind of balances for the gas pressure of Nitrogen |
| 06/13/2012 | CN102491569A Marine ballast water treatment system |
| 06/13/2012 | CN102491548A Ship ballast water treatment system with molecular sieve for preparing nitrogen |
| 06/13/2012 | CN102491292A Low-consumption and low-emission nitric acid production method and production equipment thereof |
| 06/13/2012 | CN102491291A Method for preparing high-purity silicon nitride micro-nano powder |
| 06/13/2012 | CN102491290A Method for preparing copper nitride powder |
| 06/13/2012 | CN102491289A Method for preparing nanoscale magnesium nitride powder |
| 06/13/2012 | CN102491288A Nitrogen recovery and reutilization system in arylboronic acid synthesis |
| 06/12/2012 | US8197779 Catalyst for removing nitrogen oxides from exhaust gas, method for preparing the same and method for removing nitrogen oxides using the same from exhaust gas |
| 06/12/2012 | US8197597 Gallium trichloride injection scheme |
| 06/07/2012 | WO2012074103A1 Crystalline material, and light-emitting device and white led using same |
| 06/07/2012 | WO2012074102A1 Method for producing crystalline material |
| 06/07/2012 | WO2012073185A1 Method and arrangement for generating nitric oxide |
| 06/07/2012 | WO2012071615A1 Process for producing nitric acid |
| 06/07/2012 | WO2012071614A1 Apparatus for use in production of nitric acid |
| 06/07/2012 | US20120141351 Controlling the emission of volatile organic compounds from equipment for reclaiming oils |
| 06/07/2012 | US20120141349 Method for producing high-purity silicon nitride |
| 06/07/2012 | US20120141348 Process for production of spheroidized boron nitride |
| 06/07/2012 | US20120138992 Method for preparing phosphor and light emitting device |
| 06/07/2012 | CA2819712A1 Process for producing nitric acid |
| 06/07/2012 | CA2819407A1 Apparatus for use in production of nitric acid |
| 06/06/2012 | EP2460867A2 Method for preparing nitride phosphors and light emitting device |
| 06/06/2012 | CN202265410U 一种碳载氮气纯化设备 A carbon contained nitrogen purification equipment |
| 06/06/2012 | CN102485646A Recovering method of silicon nitride |
| 06/06/2012 | CN102485645A Method for rapidly combusting and synthesizing silicon nitride powder by using foaming agent capable of producing nitrogen while decomposing as additive |
| 06/06/2012 | CN102485644A Method for preparing vanadium nitride |
| 06/05/2012 | CA2448467C Nitrogen rejection method and apparatus |
| 05/31/2012 | WO2012027194A3 Boron nitride with attached mettalic particles, methods of making, and uses thereof |
| 05/30/2012 | EP2456735A1 Method for implementing inorganic resins on the basis of hydrogen-free polymeric isocyanates for implementing nitridic, carbidic, and carbonitridic networks and the use thereof as protective coatings |
| 05/30/2012 | CN202253980U Cooling system of vehicle-mounted equipment of generating nitrogen by membrane for oil field |
| 05/30/2012 | CN202246069U Ammoxidation heat recoverer for nitric acid production |
| 05/30/2012 | CN202246068U Nitrogen generating device |
| 05/30/2012 | CN202246067U Multifunctional operating system of vehicle-mounted device for preparing nitrogen by using membrane |
| 05/30/2012 | CN202246066U Portable and light nitrogen generation system using membrane separation |
| 05/30/2012 | CN202237738U 压缩空气干燥系统 Compressed air drying system |
| 05/30/2012 | CN202237710U Energy-saving pressure swing adsorption gas separating device |
| 05/30/2012 | CN202237698U Four-stage air filter for nitric acid production |
| 05/30/2012 | CN1976749B Nonwoven composites and related products and methods |
| 05/30/2012 | CN102482087A 球状化氮化硼的制造法 Method for producing boron nitride spheroidized |
| 05/30/2012 | CN101913581B Method for preparing ultra-high purity gas by combining liquid pump with raw material gas cylinder |
| 05/29/2012 | US8187996 Exhaust gas-purifying catalyst |
| 05/29/2012 | US8187469 Separation of fluids using zeolite ITQ-32 |
| 05/24/2012 | WO2012041859A3 Process for working up an exhaust gas from a system for producing hydroxylamine or hydroxylammonium salts |
| 05/24/2012 | US20120128971 Coated Member |
| 05/24/2012 | US20120128569 Destruction of ammonium ions |
| 05/24/2012 | US20120125328 Conversion of Nitrogen Dioxide (NO2) to Nitric Oxide (NO) |
| 05/23/2012 | EP2454340A1 Co-doped silicooxynitrides |
| 05/23/2012 | EP2265356B1 Process for purifying dinitrogen monoxide |
| 05/23/2012 | CN202230351U Control device of nitrogen preparation machine |
| 05/23/2012 | CN202223911U Hydroxylamine hydrochloride salifying concentration evaporating system |
| 05/23/2012 | CN102471681A 共掺杂的硅氧氮化物 Co-doped silicon oxynitride |
| 05/23/2012 | CN102471063A 制造稳定的氧化型杀生剂的方法 The method of manufacturing a stable oxidized biocide |
| 05/23/2012 | CN102465227A 一种钒氮合金生产中制备原料料球的方法 A method of preparing vanadium nitrogen alloy raw material production sphere |
| 05/23/2012 | CN102465226A Method for utilizing carbon-nitrogen-oxygen vanadium to prepare vanadium-nitrogen alloy |
| 05/23/2012 | CN101963446B Vanadium and nitrogen alloy full-automatic vertical medium frequency induction heating furnace |
| 05/22/2012 | CA2477162C Abrasive particles based on aluminium oxynitride |
| 05/18/2012 | WO2012062627A1 Boron nitride agglomerates, method for producing same, and use thereof |
| 05/17/2012 | US20120121496 Method for storing a hydrazine resin |
| 05/16/2012 | CN102459085A Conducting metal oxide and metal nitride nanoparticles |
| 05/16/2012 | CN102459071A Method for producing imidic acid salt |
| 05/16/2012 | CN101060921B Hydrocarbon processing devices and systems for engines and combustion equipment |
| 05/15/2012 | US8178477 Proppants with carbide and/or nitride phases |
| 05/15/2012 | US8178068 Catalyst charge design |
| 05/15/2012 | US8176654 Method and device for preventing corrosion of a gas inlet nozzle during nitric acid condensation |
| 05/10/2012 | US20120114905 Boron nitride agglomerates, method of production thereof and use thereof |
| 05/10/2012 | US20120114768 Angiogenesis regulating composition and method for regulating angiogenesis |
| 05/10/2012 | US20120114547 Stabilization and ionic triggering of nitric oxide release |
| 05/09/2012 | CN202214220U Improved air inlet device of pressure swing adsorption nitrogen making machine |
| 05/09/2012 | CN102442651A Method for preparing nitric oxide via ammoxidation |
| 05/09/2012 | CN101700878B Nitrogen purification method |
| 05/08/2012 | US8173098 Titanium oxide, catalyst for treating exhaust gas and method for purifying exhaust gas |
| 05/08/2012 | US8173093 Iron silicide sputtering target and method for production thereof |
| 05/08/2012 | CA2720171A1 Powdered composition for the generation of persulfamic acid and use thereof to sanitize surfaces, equipments and water processes |
| 05/03/2012 | WO2012055320A1 Silicon oxynitride chromatography stationary phase material and preparation therefor and applicable thereof |
| 05/03/2012 | US20120107607 Multilayered material and method of producing the same |
| 05/03/2012 | US20120107594 Nanotube Film Electrode and an Electroactive Device Fabricated with the Nanotube Film Electrode and Methods for Making Same |
| 05/03/2012 | US20120107213 Energy Storage Devices Having Electrodes Comprising Nanowires |
| 05/03/2012 | US20120104325 Materials and Methodss for the Preparation of Nanocomposites |
| 05/02/2012 | EP1324961B1 Silicon-boron-carbon-nitrogen ceramics and precursor compounds, methods for the production and use thereof |
| 05/02/2012 | CN202207536U Device used for recovering tail gas produced during nitric acid refinement |
| 05/02/2012 | CN102432296A Comprehensive treatment technology of waste mortar in processing of photovoltaic crystalline silicon |
| 05/02/2012 | CN102431977A Method for preparing manganese-doped gallium nitride nano-material |
| 05/02/2012 | CN102431974A Oxygen-enriched combustion poly-generation process and equipment for steam injection boiler in oil field |
| 05/01/2012 | US8169767 Boron nitride agglomerated powder and devices comprising the powder |
| 04/25/2012 | CN202201710U 一种氮化硅回收装置 One kind of silicon nitride recovery |