| Patents for C01B 21 - Nitrogen; Compounds thereof (10,781) |
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| 08/19/2004 | US20040162443 Hydroxylammonium salts are obtained by acid hydrolysis of said oxime |
| 08/19/2004 | US20040161379 Method for manufacturing nanophase TiC-based composite powders by metallothermic reduction |
| 08/18/2004 | EP1343719B1 Method for continuously producing hydroxylammonium salts |
| 08/18/2004 | EP1034572A4 Transition metal-based ceramic material and articles fabricated therefrom |
| 08/17/2004 | US6777639 Radial pulsed arc discharge gun for synthesizing nanopowders |
| 08/12/2004 | WO2004067448A1 Decomposition of hydrogen peroxide and oxidation of nitric oxide |
| 08/12/2004 | US20040156774 Method for the production of a salt-free aqueous hydroxylamine solution |
| 08/12/2004 | US20040156772 Self-propagating High Temperature Synthesis by igniting powder mixture of titanium, scandium, vanadium, chromium, zirconium, niobium and tantalium; carbon and/or nitrogen; and silicon, aluminum, or tin; nitriding; carbiding |
| 08/12/2004 | US20040156766 Process for use of molecular sieve adosorbent blends |
| 08/12/2004 | DE10302955A1 Production of concentrated nitric acid by extractive distillation of dilute nitric acid with a concentrated magnesium sulfate solution comprises recovering nitric acid from water vapor and waste air streams |
| 08/11/2004 | EP1444165A2 Sintered polycrystalline gallium nitride |
| 08/11/2004 | CN1161321C Process for preparation of nitrosyl chloride |
| 08/11/2004 | CN1161271C Process for the nondestructive heating and supply of hot ammonia of ammonia containing |
| 08/10/2004 | US6773487 Process for refining silver bullion with gold separation |
| 08/05/2004 | US20040149564 Recovering high purity, concentrates; distillation; low cost |
| 08/05/2004 | US20040149563 Method for producing an aqueous hydroxylamine solution devoid of salt |
| 08/04/2004 | EP1442784A1 Inorganic porous membrane containing carbon, method of manufacturing and use thereof |
| 08/04/2004 | EP1442162A2 Substrate for epitaxy |
| 08/04/2004 | EP1301468B1 Process for the production of cyclohexanone oxime |
| 08/04/2004 | CN1517355A Method for manufacturing circular chloro-phosphonitrile oligomer |
| 08/04/2004 | CN1160314C Prepn. of hydrazine hydrate |
| 08/03/2004 | US6770400 Negative electrode material for nonaqueous electrolyte secondary battery and method for producing the same |
| 07/30/2004 | CA2437422A1 Oxygen and nitrogen enriched atmospheres in aircraft |
| 07/29/2004 | WO2004046280A3 Production of gaseous chloramine |
| 07/29/2004 | US20040146443 Method for producing cyclic chlorophosphazene oligomers |
| 07/29/2004 | US20040144450 Melting powder, nitriding, annealing, bonding |
| 07/29/2004 | DE10297150T5 Adsorbens zum Abtrennen von Stickstoff aus einem gemischten Gas aus Sauerstoff und Stickstoff und Stickstoff-Herstellungsverfahren mit dessen Verwendung Adsorbent for separating nitrogen from a mixed gas of oxygen and nitrogen and nitrogen-producing method with the use thereof |
| 07/28/2004 | EP1440450A2 Superhard dielectric compounds and methods of preparation |
| 07/28/2004 | CN1515529A All fluoride purifying method |
| 07/28/2004 | CN1515527A All fluoride purifying method |
| 07/28/2004 | CN1515488A Perfluorinate product purifying method |
| 07/28/2004 | CN1159473C Process for recovering acid from acid metal solution |
| 07/28/2004 | CN1159213C B0.4-0.6 C0.1-0.3 No.1-0.3 crystal with orthogonal structure and its preparing process |
| 07/27/2004 | US6767525 Reacting manganese nitride and copper |
| 07/27/2004 | US6767386 Method and apparatus for producing nitrogen |
| 07/22/2004 | US20040142212 Pyrolytic boron nitride crucible and method |
| 07/22/2004 | US20040141906 Novel graphite nanocatalysts |
| 07/22/2004 | US20040141905 Production of gaseous chloramine |
| 07/22/2004 | US20040139888 Containing nanofillers providing superior performance; refractive index, transparency reflection, resistivity, permittivity, permeability, coercivity, magnetic hysteresis, breakdown voltage; increased surface area, constrained domain sizes |
| 07/22/2004 | DE102004001125A1 Verfahren zur Herstellung von cyclischen Chlorophosphazen-Oligomeren A process for the preparation of cyclic oligomers chlorophosphazene |
| 07/21/2004 | CN1513756A Preparation method of hexagonal phase nano-aluminium nitride powder |
| 07/21/2004 | CN1513755A Water heat synthesis preparation method of wurtzite phase nano-nitride and its solid solution |
| 07/21/2004 | CN1158139C Improved binding type zeolite adsorbent, its producting process and its application in non-deep-cooling separation of industrial gas |
| 07/20/2004 | US6764975 Method for making high thermal diffusivity boron nitride powders |
| 07/15/2004 | WO2004058638A1 Method for the production of nitrate-containing precursors for metal oxides and oxocuptrate superconductors |
| 07/14/2004 | EP1436065A2 Method of platinum particles recovery from reaction gas in the process of nitric acid production and granular composite material for recovery of such particles |
| 07/14/2004 | CN1512981A Method for making 2,2,4,4-tetramethyl-3-pentanone oxime and hydroxylammonium salts |
| 07/14/2004 | CN1512913A Method for production of carbon molecular sieves for extracting nitrogen from air |
| 07/14/2004 | CN1157329C Method for producing nitric acid |
| 07/14/2004 | CN1157328C Method for making hydrazine by hydrolysing azine |
| 07/08/2004 | WO2004057070A2 Nanostructures |
| 07/08/2004 | CA2510748A1 Nanostructures |
| 07/07/2004 | EP1434735A1 Stabilized hydroxylamine solutions |
| 07/06/2004 | US6759556 Buffer acids or acidic salts, phosphate buffers, is continuously recycled between a hydroxylammonium synthesis zone, nitrate ions are catalytically reduced with hydrogen to hydroxylammonium |
| 07/06/2004 | US6759023 Method for making a hydrazine by hydrolysing an azine |
| 07/06/2004 | US6758990 Stabilizing agent for hydroxylamine solutions |
| 07/06/2004 | US6758946 Recycling hydroxylamine-containing stripper solutions |
| 07/06/2004 | US6758918 Permanent magnet powder, magnetic properties such as high coercive force |
| 07/01/2004 | WO2004046029A3 Enrichment of oxygen for the production of hydrogen from hydrocarbons with co2 capture |
| 07/01/2004 | US20040126299 Controlling temperature; furnace for forming borides, carbides, nitrides; high speed heating; rotation metal oxide with carbon, boron oxide |
| 06/30/2004 | EP1433748A2 Process and production reactor for the preparation of nitrogen trifluoride |
| 06/30/2004 | EP1433747A1 Method for nitrogen trifluoride production |
| 06/30/2004 | EP1432494A1 Psa process for co-producing nitrogen and oxygen |
| 06/30/2004 | CN1508064A Method for preparing high-purity nitrogen gas |
| 06/30/2004 | CN1155516C Nanometer BN nano tube and its making process |
| 06/30/2004 | CN1155509C Process for recovering, separating and purifying NO gas |
| 06/30/2004 | CN1155508C Reaction synthesis process for aluminium nitride powder body |
| 06/29/2004 | US6756024 Lithium metal is reacted with ammonia to form lithium bronze and in a second method step the lithium bronze is reacted with a 1,3-diene or an arylolefin in the presence of a solvent; no hydrogen is released |
| 06/24/2004 | WO2004052780A1 Process for mixing an acidic aqueous solution comprising hydroxylammonium and phosphate with nitric acid |
| 06/24/2004 | US20040121219 Fuel cell catalyst material, fuel cell electrode, membrane-electrode assembly, fuel cell, fuel cell catalyst material manufacturing method, and fuel cell electrode manufacturing method |
| 06/24/2004 | US20040120877 reacting fluorine gas and liquid ammonium acid fluoride in a first reaction zone having a relatively low energy input followed by treatment of the resulting reaction product in a second reaction zone having a relatively high energy input. |
| 06/24/2004 | US20040118785 containing a rhombic tantalum nitride and preferably loads a promoter of transition metal, especially platinum |
| 06/23/2004 | EP1431276A1 Preparation and purification of hydroxylamine stabilizers |
| 06/23/2004 | EP1429996A1 Method for obtaining an ammonium carbamate solution from a gas mixture containing ammonia, water and carbon dioxide |
| 06/23/2004 | CN1507368A Method for reducing the content of N2O and Nox in gases |
| 06/17/2004 | US20040116745 Circulation of phosphate contasining aqueous solution; hydroxylammonium compound is reacted with cyclohexanone |
| 06/17/2004 | US20040116735 Preparation and purification of hydroxylamine stabilizers |
| 06/17/2004 | US20040115936 Remote ICP torch for semiconductor processing |
| 06/16/2004 | EP1428792A1 Process for mixing an acidic aqueous solution comprising hydroxyl ammonium and phosphate with nitric acid |
| 06/16/2004 | EP1427669A1 An improved process for manufacturing highly concentrated hydroxylamine |
| 06/15/2004 | CA2086426C Process for the preparation of transition metal nitrido complexes |
| 06/10/2004 | WO2004047983A1 Platinoid catalyst in the form of a wire cloth |
| 06/10/2004 | WO2004047976A1 Apparatus for producing nitrate granules |
| 06/10/2004 | WO2004022269A9 Method and apparatus for controlling the size of powder produced by the armstrong process |
| 06/10/2004 | US20040110627 Passing the N2O-containing gas over a zeolite catalyst |
| 06/10/2004 | US20040110003 Method for shaping a nanotube and a nanotube shaped thereby |
| 06/10/2004 | US20040109805 Flow of gas mixture and/or amount of catalyst is/are selected so that desired degree of decomposition of N2O is achieved; iron-laden zeolites whose crystal structure |
| 06/10/2004 | US20040109801 comprises contacting with manganese oxide and vanadium oxide, then contacting with synthetic zeolite |
| 06/10/2004 | CA2729359A1 Apparatus and method for producing nitrate granules |
| 06/10/2004 | CA2413834A1 Nitric oxide gas generator |
| 06/09/2004 | EP1426333A1 SUBSTANCE OCCLUDING MATERIAL AND ELECTROCHEMICAL DEVICE USING IT, AND PRODUCTION METHOD FOR SUBSTANCE OCCLUDING MATERIAL |
| 06/09/2004 | CN1502551A Method for nitrogen trifluoride production |
| 06/09/2004 | CN1502550A Nitrogen production method and equipment |
| 06/08/2004 | US6746791 Nano-ionic products and devices |
| 06/08/2004 | US6745963 Process for recycling side dams for the continuous casting of thin steel strip |
| 06/03/2004 | WO2004046280A2 Production of gaseous chloramine |
| 06/03/2004 | WO2004046102A2 Novel graphite nanocatalysts |
| 06/03/2004 | WO2004046029A2 Enrichment of oxygen for the production of hydrogen from hydrocarbons with co2 capture |
| 06/03/2004 | US20040105803 reaction gas from ammonia combustion passed over catalyst arranged downstream of heat exchanger after ammonia combustion and upstream of the absorption column |
| 06/03/2004 | US20040105802 NOx, Hg, AND SO2 REMOVAL USING AMMONIA |