| Patents for C01B 21 - Nitrogen; Compounds thereof (10,781) |
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| 06/18/2002 | US6408125 Germanium silicon oxynitride high index films for planar waveguides |
| 06/18/2002 | US6406677 Methods for low and ambient temperature preparation of precursors of compounds of group III metals and group V elements |
| 06/18/2002 | US6406518 Gas separation process using ceramic membrane and regenerators |
| 06/14/2002 | CA2365027A1 Method for purifying semiconductor gases |
| 06/13/2002 | WO2002046130A1 Processes for electrically activated transformation of chemical and material compositions |
| 06/13/2002 | WO2002046096A1 Method for making hydrazine in aqueous solution |
| 06/13/2002 | US20020070426 Telescoped multiwall nanotube and manufacture thereof |
| 06/12/2002 | EP1213273A1 Method of recycling side-dam plates for thin sheet casting of steel |
| 06/11/2002 | CA2085026C Nitrogen sorption |
| 06/06/2002 | WO2002026625A3 Novel concept for generating power via an inorganic nitrogen cycle, based on sand as the starting material and producing higher silanes |
| 06/04/2002 | US6399225 Silicon-and-nitrogen-containing luminescent substance, method for forming the same, and light emitting device using the same |
| 06/04/2002 | US6398125 Process and apparatus for the production of nanometer-sized powders |
| 05/30/2002 | US20020064598 Method of depositing a thick titanium nitride film |
| 05/30/2002 | US20020064494 Production of hydrogen and carbon monoxide |
| 05/30/2002 | US20020062734 Isolation of SF6 from insulating gases in gas-insulated lines |
| 05/29/2002 | EP0739228B1 Recycling of wafer cleaning substances |
| 05/29/2002 | DE10055442A1 Process for recycling hexagonal boron nitride ceramic components used in metallurgical installations comprises cleaning the surface of the components, and converting into a boron nitride-containing powder by breaking and grinding |
| 05/29/2002 | CN1085616C Process for producing barium azide |
| 05/28/2002 | US6395245 Method for preparing carbon-containing composition |
| 05/28/2002 | US6395243 Catalytic or non-catalytic processes with enriched oxygen as a reactant |
| 05/28/2002 | US6393867 Expansion using a turbine |
| 05/23/2002 | WO2002040135A1 Purification of argon |
| 05/23/2002 | US20020059863 Gas separation apparatus and gas separation method |
| 05/22/2002 | CN1085114C Catalyst for purifying nitrogen-contained gas to remove carbon monoxide and use thereof |
| 05/16/2002 | US20020056289 Ultra pure nitrous oxide product having a purity of 99.9998% or higher can be delivered to a point of use. |
| 05/16/2002 | DE10152934A1 Verfahren zur Herstellung von wasserfreiem Hydrazin und Vorrichtung zu dessen Durchführung A process for preparing anhydrous hydrazine and device for its implementation |
| 05/15/2002 | EP1205232A2 Gas separation apparatus and gas separation method |
| 05/15/2002 | EP1204473A1 Rejuvenable ambient temperature purifier |
| 05/15/2002 | EP0963359B1 Method for making submicrometer transition metal carbonitrides |
| 05/15/2002 | CN1349477A Process for the nondestructive heating and supply of hot ammonia of hot ammonia containing |
| 05/15/2002 | CN1348835A Prepn and application of hydrazine decomposing catalyst |
| 05/14/2002 | US6388366 An electronic device, comprising: a body defining a vacuum space; a cathode formed of carbon nitride, said carbon nitride being doped n-type and an electrode associated with said carbon nitride cathode; vacuum such that electrons are emitted |
| 05/14/2002 | US6387560 Nanostructured solid electrolytes and devices |
| 05/14/2002 | US6387342 Production of carbides and nitrides |
| 05/14/2002 | US6387161 Nitrous oxide purification system and process |
| 05/09/2002 | US20020055045 Novel materials useful as electrolytic solutes |
| 05/09/2002 | US20020055033 Nanostructured deposition and devices |
| 05/09/2002 | US20020053557 Method and apparatus for producing bulk quantities of nano-sized materials by electrothermal gun synthesis |
| 05/09/2002 | US20020053522 Shaping electrode removes material under a potential difference to controllably shape to a desired contour |
| 05/08/2002 | EP1203610A1 Single bed pressure swing adsorption process |
| 05/08/2002 | CN1084443C Rolling bearing with coating layer portion |
| 05/07/2002 | US6383465 Cubic boron nitride and its gas phase synthesis method |
| 05/02/2002 | WO2002034382A1 Carbamate condensation unit |
| 05/02/2002 | WO2002008120A3 Telescoped multiwall nanotube and manufacture thereof |
| 05/02/2002 | US20020051883 Processing and manufacturing methods enabled using non-stoichiometric nanomaterials |
| 05/02/2002 | EP1201298A1 Carbamate condensation unit |
| 05/02/2002 | EP1200340A1 Method for preparing highly stabilised hydroxylamine solutions |
| 05/02/2002 | EP1200339A1 Methods and systems for the catalytic formation of silicon nitride using a fluidized bed of silica |
| 05/01/2002 | CN1346788A Process for purifying gas |
| 04/30/2002 | US6379449 Process for the production of yellow to red pigments based on nitrides and oxidenitrides |
| 04/25/2002 | WO2002033334A2 Method and installation for purifying and recycling helium and use in optical fibre manufacture |
| 04/25/2002 | WO2002032573A1 The preparation of a hydrazine decomposition catalyst and its use |
| 04/25/2002 | US20020048543 Cubic, parallelepipedal or spherical particles that have a dispersion index of not more than 0.8; rare earth hydroxycarbonate and rare earth boron hydroxycarbonate precursors |
| 04/25/2002 | US20020047110 Nitridation reaction of a highly dispersed and stable fluidized or aerosol state of a raw material powder is caused to proceed in a vapor phase in the presence of a flame |
| 04/24/2002 | EP1198413A1 Process for nitrous oxide purification |
| 04/24/2002 | EP1198412A1 Energy-activated compositions for controlled sustained release of a gas |
| 04/24/2002 | EP0852575B1 Silicon nitride nanowhiskers and method of making same |
| 04/23/2002 | CA2105776C Moving bed process for carbothermally synthesizing nonoxide ceramic powders |
| 04/23/2002 | CA2066034C Process of and apparatus for preparing dinitrogen pentoxide |
| 04/18/2002 | WO2002030549A1 Method for separating dinitrogen monoxide from gases containing hydrogen, nitrogen monoxide and dinitrogen monoxide |
| 04/18/2002 | WO2001085603A3 Process for producing nitrogen trifluoride and use thereof |
| 04/18/2002 | US20020045529 Instantaneously pressing a press-molded product made of a mixture of a copper powder and a powder of a low pressure phase beta sialon of chemical formula Si6-x-AlxOxN8-x by an impulse wave to create a phase transition from beta to spinel |
| 04/18/2002 | DE10050906A1 Separation of nitrous oxide from gases containing nitric oxide and hydrogen, e.g. exhaust gases from hydroxylamine production, by using a polymeric, ceramic or carbon sieve to give a recyclable retentate |
| 04/18/2002 | DE10050775A1 Hot tube gas phase pyrolysis of organosilicon compounds to give silicon carbide/nitride powders involves high flow speed and high turbulence mixing with one inflow below precursor decomposition temperature and other above |
| 04/18/2002 | DE10049327A1 Verfahren und Vorrichtung zur Herstellung von Nickelsulfamat Method and apparatus for the production of nickel sulfamate |
| 04/16/2002 | US6370911 Ultra pure nitrous oxide product having a purity of 99.9998% or higher |
| 04/11/2002 | WO2002028772A1 Method and device for producing nickel sulphamate |
| 04/11/2002 | DE10048472A1 Neuartiges Konzept zur Energieerzeugung über einen anorganischen Stickstoff-Zyklus, ausgehend vom Grundstoff Sand unter Erzeugung Höherer Silane New concept for power generation to an inorganic nitrogen cycle, starting from raw material to produce sand Higher silanes |
| 04/11/2002 | CA2426749A1 Method and device for producing nickel sulphamate |
| 04/09/2002 | US6368713 Pitch-free; three-dimensional reinforce composite |
| 04/04/2002 | WO2002026625A2 Novel concept for generating power via an inorganic nitrogen cycle, based on sand as the starting material and producing higher silanes |
| 04/04/2002 | WO2002026359A1 Gas permeation device and method |
| 04/04/2002 | US20020039554 Process for regeneration of acids from spent acids |
| 04/04/2002 | US20020039550 Process and catalyst for reducing nitrogen oxides |
| 04/03/2002 | EP1192115A1 Dinitramide based liquid mono-propellants |
| 04/03/2002 | CN2484105Y Field-flow fractionating oxygenator |
| 04/02/2002 | US6365301 Delocalized nitrogen, oxygen, sulfur or phoshorous onium cation; bis-fluorosulfonimidide anion or bis-difluorophos-phonylamidide anion |
| 03/28/2002 | DE10045428A1 Silicium-Bor-Kohlenstoff-Stickstoff-Keramiken und Vorläuferverbindungen, Verfahren zu deren Herstellung sowie deren Verwendung Silicon-boron-carbon-nitrogen ceramic and precursor compounds, processes for their preparation and their use |
| 03/27/2002 | EP1189838A1 Process for the nondestructive heating and supply of hot ammonia or hot ammonia containing feed gas |
| 03/27/2002 | EP0998363B1 A composition comprising a metal salt and metal powder therefrom by the calcining thereof |
| 03/27/2002 | CN1341476A Gas separating method using ceramic film and reproducing furnace |
| 03/26/2002 | CA2226810C Oxygen selective sorbents |
| 03/26/2002 | CA2087265C Catalyst and process for removal of sulphur compounds and oxides from fluid streams |
| 03/26/2002 | CA2058682C Low melting point metal direct nitriding process |
| 03/21/2002 | WO2002022624A1 Silicoboroncarbonitride ceramics and precursor compounds, method for the production and use thereof |
| 03/21/2002 | WO2002022522A2 Silicon-boron-carbon-nitrogen ceramics and precursor compounds, methods for the production and use thereof |
| 03/21/2002 | WO2001083371A3 Highly delaminated hexagonal boron nitride powders, process for making, and uses thereof |
| 03/20/2002 | EP0867029B1 Method for recovering nitrate ions as nitric acid from nuclear industry effluents |
| 03/20/2002 | CN1341086A Dinitramide based liquid mono-propellants |
| 03/14/2002 | US20020029824 Combination of reduction-diffusion of a metal oxide and nitriding the reduced alloy with nitrogen |
| 03/13/2002 | CN1339335A Platinum based alloy for ammonia oxidation catalyst and the catalyst net made therefrom |
| 03/13/2002 | CN1080586C Heat treatment nitrogen base atmosphere selection deoxidizing catalyst |
| 03/12/2002 | CA2238304C Nitric acid production and recycle |
| 03/07/2002 | WO2002018299A1 Sialon spinel and multi-component (oxide)-nitride-spinels, a method for their production and the use thereof |
| 03/06/2002 | CN1080135C Pressure-changing absorption method for gas in circulating space |
| 02/28/2002 | WO2002016006A1 Method and device for separating or enriching concentration in a mixture of gaseous or liquid constituents |
| 02/28/2002 | US20020023540 Gas separation apparatus |
| 02/27/2002 | EP1181968A2 Gas separation process using ceramic membrane and regenerators |
| 02/27/2002 | EP1181087A1 Isolation of sf 6? from insulating gases in gas-insulated lines |
| 02/26/2002 | US6350891 Method for making a catalyst composition |