C01B 21 - Nitrogen; Compounds thereof

Patents for C01B 21 - Nitrogen; Compounds thereof (10,781)
11/2004
11/18/2004	WO2004046102A3 Novel graphite nanocatalysts
11/17/2004	EP1476420A1 Ammoxidation of hydrocarbons and hydrogenated metallo oxynitride catalysts therefor
11/17/2004	EP1406833B1 Method for producing an aqueous hydroxylamine solution devoid of salt
11/17/2004	CN2656398Y Apparatus for preparing iron nitride magnetic liquid using plasma
11/17/2004	CN1547629A Method of making nanotube-based material with enhanced electron field emission properties
11/17/2004	CN1547552A Method for continuous producing hydroxylammonium salts
11/17/2004	CN1547504A Adsorbent for separating nitrogen from mixed gas of oxygen and nitrogen, and process for producing nitrogen by using same
11/17/2004	CN1546370A Method for reduction nitridation preparation of nano cubic zirconium nitride powders
11/17/2004	CN1176010C Modified nano silicon particles
11/17/2004	CN1176009C Synthesis of cubic boron nitride
11/16/2004	US6818356 Thin film battery and electrolyte therefor
11/11/2004	WO2004096703A2 Ammonia oxidation process
11/11/2004	WO2004096702A2 Improved catalyst charge design
11/11/2004	US20040224418 Process and system for purifying gases
11/10/2004	CN1545434A Catalyst or sorbent beds
11/10/2004	CN1544316A Method for synthesizing high performance aluminium nitride powder
11/10/2004	CN1544315A Unidimensional aluminium nitride nanometer structure array and its preparation method
11/10/2004	CN1544314A High performance aluminium nitride powder combustion synthesis method of gradient distribution
11/10/2004	CN1174960C Stabilizing agent for hydroxylamine solutions
11/04/2004	WO2004094023A2 Process for the treatment of waste or gaseous streams
11/04/2004	US20040218345 Products comprising nano-precision engineered electronic components
11/03/2004	CN1173880C Low pressure combustion process of synthesizing alpha-phase silicon nitride powder
11/03/2004	CN1173879C Process for preparing nitride ultromicro powder and nitride crystal under hydrothermal condition
11/02/2004	CA2148352C Method of preparing hydrazine nitroform
11/02/2004	CA2141603C Gas separations utilizing glassy polymer membranes at sub-ambient temperatures
10/2004
10/28/2004	WO2004092425A1 Method for processing sulfide minerals and concentrates
10/28/2004	WO2004092066A1 Distillation process for reducing the concentration of dinitrogen difluoride and dinitrogen tetrafluoride in nitrogen trifluoride
10/28/2004	US20040213725 Process for manufacturing highly concentrated hydroxylamine
10/28/2004	CA2522211A1 Distillation process for reducing the concentration of dinitrogen difluoride and dinitrogen tetrafluoride in nitrogen trifluoride
10/27/2004	EP1471168A1 Device and method for producing single crystals by vapour deposition
10/27/2004	EP1311335B1 Method and device for separating or enriching concentration in a mixture of gaseous or liquid constituents
10/27/2004	CN1539729A Method for synthesizing boron nitride from aether boron trifluoride and lithium nitride
10/27/2004	CN1172847C Array nanotube, mfg. method and use thereof
10/21/2004	US20040208812 Method for making high thermal diffusivity boron nitride powders
10/21/2004	US20040206008 SiCN compositions and methods
10/21/2004	DE102004012666A1 Redundantes Gasreinigungssystem Redundant gas cleaning system
10/20/2004	EP1467811A2 Process for production of molecular sieve adsorbent blends
10/20/2004	EP1261554B1 Method for fabricating SiON-waveguides
10/20/2004	CN1538944A Metod of producing metal-containing single-phase composition
10/20/2004	CN1538908A High solid HBV slurry, paste, spherical powder, and method of making and using them
10/20/2004	CN1171779C Non-chemical measured lithium magnesium nitride and preparation process and application thereof
10/19/2004	US6805726 Atomizing a jet of molten metal with reactive gas; pulverization; alloying, oxidation, carbiding, and/or nitriding; one step cooling
10/19/2004	CA2141123C Preparation of hydroxylammonium salts
10/14/2004	WO2004087569A2 Thermal process for reducing the concentration of dinitrogen difluoride and dinitrogen tetrafluoride in nitrogen trifluoride
10/14/2004	DE10314492A1 Verfahren zur Herstellung einer wässrigen Lösung von Hydroxylamin A process for preparing an aqueous solution of hydroxylamine
10/14/2004	DE10313497A1 Preparation of trifluoramine, useful as etchant, oxidant and for cleaning apparatus used for chemical vapor deposition, by reacting ammonia and fluorine in fluidized bed of ammonium hydrogendifluoride
10/14/2004	DE10313494A1 Preparation of trifluoramine, useful as etchant, oxidant and for cleaning apparatus used for chemical vapor deposition, by reacting ammonia and fluorine in small diameter tubular reactors
10/14/2004	CA2514345A1 Thermal process for reducing the concentration of dinitrogen difluoride and dinitrogen tetrafluoride in nitrogen trifluoride
10/13/2004	EP1465833A1 A method for manufacturing a nanostructure in-situ, and in-situ manufactured nanostructure devices
10/13/2004	CN1535916A 三氟化氮生产反应器 Nitrogen trifluoride production reactor
10/12/2004	US6803073 Particle forming method
10/07/2004	WO2004085941A1 Air separator
10/07/2004	WO2004085308A1 Method for the production of an aqueous hydroxylamine solution
10/07/2004	US20040199013 Method for obtaining an ammonium carbamate solution from a gas mixture containing nh3, h2o and co2
10/07/2004	US20040197559 Silicon nitride material and making method
10/07/2004	US20040197250 Method of platinnum particles recovery from reaction gas in the process of nitric acid production and granular composite material for recovery of such particles
10/06/2004	EP1358010B1 Three-dimensional catalyst gauzes knitted in two or more layers
10/06/2004	EP1109641A4 Method and apparatus for producing material vapour
10/06/2004	CN1535245A Ammonia oxidation
10/06/2004	CN1169711C Method for prepn. of high concentration hydroxymaline in the prodn. process of hexanolactam
10/05/2004	US6800559 Method and apparatus for generating H20 to be used in a wet oxidation process to form SiO2 on a silicon surface
09/2004
09/30/2004	WO2003080275A8 Powder and coating formation method and apparatus
09/30/2004	US20040191156 Method and apparatus for the production of nitrogen trifluoride
09/30/2004	US20040191155 Thermal process for reducing the concentration of dinitrogen difluoride and dinitrogen tetrafluoride in nitrogen trifluoride
09/30/2004	US20040191151 Containing silicon or carbon, boron or nitrogen, gallium or aluminum and oxygen; low temperature thin film deposition on silicon substrate
09/29/2004	CN1533362A Method for obtaining ammonium carbamate solution from gas mixture containing NH3, H2O and CO2
09/29/2004	CN1168655C Method and device for reduction of nirogen protoxide
09/23/2004	WO2004080892A1 Process for producing slush nitrogen and apparatus therefor
09/23/2004	CA2511993A1 Process for producing slush nitrogen and apparatus therefor
09/22/2004	EP1459797A2 Redundant gas purification system
09/21/2004	US6794435 Agglomerated hexagonal boron nitride powders, method of making, and uses thereof
09/21/2004	US6793903 Gas-phase oxidation of nitric oxide to nitrogen dioxide
09/16/2004	US20040180203 Nanomaterial compositions with distinctive shape and morphology
09/16/2004	US20040178530 High volume manufacturing of nanoparticles and nano-dispersed particles at low cost
09/16/2004	DE10309290A1 Protective gas recirculation equipment for automatic soldering plant, is initially filled with nitrogen, and includes components subsequently producing required gas quality
09/15/2004	EP1456224A2 Industrially applicable process for the sulfamoylation of alcohols and phenols
09/15/2004	EP1456117A1 Reversible storage of hydrogen using doped alkali metal aluminum hydrides
09/15/2004	CN1166557C Process for preparing nano cubic niobium nitride powder
09/14/2004	US6790428 Stripping using gas; separation or recirculation
09/09/2004	US20040175309 Nitric oxide gas generator
09/08/2004	EP1454880A1 Method for preparing functional nano-material utilizing endothermic reaction
09/08/2004	EP1285100B1 Non-evaporable getter alloys
09/08/2004	CN1526546A Composit Pd-containing material wire and its prepn and use
09/07/2004	US6787122 Method of making nanotube-based material with enhanced electron field emission properties
09/07/2004	US6787119 Catalyzing nitration of ammonium sulfamate with fuming nitric acid in presence of an acid catalysts montmorillonite clay and a catalyst supports
09/07/2004	US6786950 High purity fine metal powders and methods to produce such powder
09/02/2004	US20040170820 Multimetallic nanofillers with domain size less than 100 nanometers exhibiting transparency to visible light that differs by more than 20% as compared to fillers having a domain size of at least one micron.
09/02/2004	US20040170553 Using air and oxidation catalyst on support; pretreatment air with absorber to remove acid gas
09/01/2004	EP1452578A1 Process for reducing the nitrogen content of fuel gases
09/01/2004	EP1451100A1 Process for treating an aqueous medium containing phosphate salt and organic compounds
09/01/2004	EP1451096A2 Method for reversible storage of hydrogen and materials for hydrogen storage
09/01/2004	CN1164482C Process for preparing concentrated solution of hydrazine hydrate
09/01/2004	CN1164481C Preparation method of nanometer indium nitride powder
08/2004
08/26/2004	US20040166042 reacting compressed air with iron powder to form iron oxide, so that oxygen contained in the compressed air is reduced to obtain remained nitrogen gas.
08/25/2004	CN1524061A Method for producing an aqueous hydroxylamine solution devoid of salt
08/25/2004	CN1524060A Method for the production of a salt-free aqueous hydroxylamine solution
08/25/2004	CN1524059A Method for producing an aqueous hydroxylamine solution devoid of salt
08/24/2004	US6780370 Process for producing microceramic tubes by radiation exposure of silicon-based polymers
08/24/2004	US6780255 Sm-fe-N based alloy powder and process for producing the same
08/19/2004	WO2004057070A3 Nanostructures

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