| Patents for C01B 21 - Nitrogen; Compounds thereof (10,781) |
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| 10/10/2001 | CN1316381A Preparing process and application of high-efficiency nm-class semiconductor material |
| 10/09/2001 | US6300518 Aqueous hydroxylamine solution |
| 10/09/2001 | US6299734 Treating a hydroxylammonium salt with ammonia by the countercurrent method in a stripping column by a process in which hydroxylamine is liberated and at the same time the solution obtained is separated by distillation |
| 10/04/2001 | WO2001072407A1 Apparatus for self-propagating high temperature synthesis |
| 10/04/2001 | US20010025943 Ionic conducting material having good anticorrosive properties |
| 10/02/2001 | US6296827 Passing process gas containing nitrogen and oxygen through discharge zone of dielectric barrier gas pulse discharges, producing non-thermal plasma with gas temperature at least 400 degrees c., to form nitrogen monoxide |
| 09/26/2001 | CN1314877A Method of producing an aliphatic diacid and nitrous oxide |
| 09/25/2001 | US6294009 Nitriding a tantalum oxide or its hydrate or tantalum(v) oxide nitride with ammonia in presence or absence of flux; treating with salt melt before or after washing; extracting tantalum(v) nitride pigment by dissolving salts in water |
| 09/20/2001 | WO2001068520A1 Method for producing nitric acid |
| 09/20/2001 | US20010023021 BxCyNz nanotubes and nanoparticles |
| 09/20/2001 | DE10011335A1 Production of nitric acid of specified concentration, useful in the production of adipic acid, caprolactam, toluene diisocyanate etc., by one- or 2-pressure combustion of ammonia and absorption uses dried air supply |
| 09/19/2001 | EP0989952B1 Method for producing highly pure aqueous hydroxylamine solutions |
| 09/19/2001 | CN1313144A Zin-aluminium silicates with FAU structure |
| 09/18/2001 | US6290757 Nitrogen purification device |
| 09/18/2001 | US6290750 Production plant and process comprising several treatment steps |
| 09/12/2001 | CN1312218A Titania nitriding process for preparing nanometer titanium nitride powder |
| 09/12/2001 | CN1312217A Nanometer BN tube and its making process |
| 09/12/2001 | CN1070933C Material of chemical compounds with a metal in group IVB of the periodic system, nitrogen and oxygen and process for producing it |
| 09/11/2001 | US6287889 Diamond thin film or the like, method for forming and modifying the thin film, and method for processing the thin film |
| 09/11/2001 | US6287714 Grain growth inhibitor for nanostructured materials |
| 09/07/2001 | WO2001064594A1 MATERIAL FOR SiON-OPTICAL WAVEGUIDES AND METHOD FOR FABRICATING SUCH WAVEGUIDES |
| 09/07/2001 | CA2397845A1 Material for sion-optical waveguides and method for fabricating such waveguides |
| 09/04/2001 | US6284358 Textile preforms sheathed in a boron nitride coating, composites incorporating them and their preparation |
| 09/04/2001 | US6284212 Method of nitric acid formation using a catalytic solution |
| 08/30/2001 | WO2001062710A1 Stabilizing agent for hydroxylamine solutions |
| 08/30/2001 | WO2001062366A1 Separation of gases containing sf¿6? |
| 08/30/2001 | WO2000069775A8 Energy-activated compositions for controlled sustained release of a gas |
| 08/30/2001 | WO2000047404A9 Chemical vapor deposition of tungsten nitride |
| 08/30/2001 | US20010018137 Ultra-low resistivity tantalum films and methods for their deposition |
| 08/28/2001 | US6279345 Kettle liquid is vaporized in two steps using a split kettle top condenser and vapor from the first step compressed and then recycled to the cryogenic rectification column; ultra high purity oxygen or nitrogen |
| 08/23/2001 | DE10008080A1 New alkoxy- and hydroxy-substituted N,N,N-tri((het)aryl-(hetero)alk(e n)yl, (het)aryl-(hetero)alkynyl and (het)aryl-(hetero)cycloalk(en)yl) -amines and salts are used for stabilizing hydroxylamine solution |
| 08/22/2001 | EP0871587B1 Low compressibility carbon nitrides |
| 08/21/2001 | US6277774 Mixing with crystal growth inhibitor; forming composite |
| 08/21/2001 | US6277448 Plasma flame |
| 08/21/2001 | US6277348 Polycondensation of borazine in a closed reactor and the addition, to said polyborazylene obtained by polycondensation, of a solvent selected from aromatic solvents, borazine solvents and mixtures thereof |
| 08/21/2001 | US6276168 Feeding a mixture of nitrogen trifluoride (nf3) and other components with greater or lesser volatility and a cryogenic fluid into a distillation column; removing more volatile components; removing nf3 from less volatile fluid |
| 08/17/2001 | CA2298890A1 A technique to produce nanometer-sized ceramic powders |
| 08/16/2001 | WO2001058570A1 Catalyst for decomposing n2o, its use and method for the production thereof |
| 08/16/2001 | DE10006103A1 Katalysator zum Abbau von N¶2¶O, dessen Verwendung bei der Salpetersäureproduktion sowie Verfahren zu seiner Herstellung Catalyst for the degradation of N¶2¶O, its use in the production of nitric acid, and process for its preparation |
| 08/15/2001 | CN1069550C Deoxidation method for inert gas |
| 08/14/2001 | US6274102 Catalytic chemical reactor which efficiently produces low flow rates of a nitrogen or nitrogen/hydrogen stream from an initial feed containing oxygen which reacts with the hydrogen to form water subsequently separated from the nitrogen |
| 08/09/2001 | US20010011633 For electronics; steam stripping |
| 08/09/2001 | DE10004818A1 Verfahren zum Recycling hydroxylaminhaltiger Stripperlösungen Method for recycling hydroxylamine-stripper solutions |
| 08/08/2001 | EP1122774A1 Plasma treatment of a titanium nitride film formed by chemical vapor deposition |
| 08/08/2001 | EP1122215A2 Process for recycling stripping solutions containing hydroxylamins |
| 08/08/2001 | EP1121343A1 Method for preparing hydrazine |
| 08/08/2001 | CN1069289C Method for preparing iron nitrogen nm alloy and iron nitrogen-boron nitride nm composite material |
| 08/07/2001 | US6270569 Melting a group iii metal, injecting ammonia into melt produces nitride microcrystal; the two then react on the surface of a seed/substrate crystal, allowing the nitride crystal to be grown; blue laser diodes |
| 08/02/2001 | WO2001055462A1 Process for refining silver bullion with gold separation |
| 08/02/2001 | DE10001541A1 Process for purifying residual gas from nitric acid production uses iron zeolite catalyst for decomposing dinitrogen monoxide after reduction of other nitrogen oxides to specified ratio |
| 08/02/2001 | DE10001540A1 Beseitigung von Lachgas bei der Salpetersäureproduktion Elimination of nitrous oxide in nitric acid production |
| 08/01/2001 | EP1119653A2 Simulated diamond gemstones formed of aluminum nitride and aluminum nitride:silicon carbide alloys |
| 08/01/2001 | CN1306601A Exhaust purifier of I.C. Engine |
| 07/31/2001 | US6267864 Field assisted transformation of chemical and material compositions |
| 07/25/2001 | CN1304780A Method and apparatus for production of carbon dioxide |
| 07/24/2001 | US6264910 Process for the production of nitric acid |
| 07/24/2001 | US6264908 Using nitrogen gas and fine carbon particles |
| 07/19/2001 | WO2001051415A1 Removal of laughing gas in nitric acid production |
| 07/19/2001 | WO2001051182A1 METHOD FOR THE REMOVAL OF NOx AND N2O FROM THE RESIDUAL GAS IN NITRIC ACID PRODUCTION |
| 07/18/2001 | EP1115898A1 Tantalum films and methods for their deposition |
| 07/18/2001 | EP1115685A1 Method of producing an aliphatic diacid and nitrous oxide |
| 07/17/2001 | US6261511 Ceramic composite particles and binders with heat treatment |
| 07/12/2001 | WO2001049603A1 Catalyst for selective oxidation of ammonia with molecular oxygen to nitrogen monoxide |
| 07/11/2001 | EP1114792A2 Cubic boron nitride and its gas phase synthesis method |
| 07/11/2001 | EP1114012A1 Field assisted transformation of chemical and material compositions |
| 07/11/2001 | EP1113985A1 Production of nitrous oxide |
| 07/11/2001 | EP1113984A1 Method for preparing hydrazine hydrate |
| 07/10/2001 | US6258983 Method of preparing solid hydroxylamine nitrate |
| 07/05/2001 | WO2001047805A1 Method for concentrating aqueous hydrazine solution and device therefor |
| 07/03/2001 | US6254940 Forming nanoparticles; heating, flaming, applying perpendicular electric field; carbiding, alloying |
| 07/03/2001 | US6254928 Mechanical polishing slurry contains liquids and abrasives |
| 07/03/2001 | US6254797 Ionic conducting material having good anticorrosive properties |
| 07/03/2001 | US6254735 Process for separating medium boiling substances from a mixture of low, medium and high boiling substances |
| 07/03/2001 | US6254705 Liquid propellant |
| 06/28/2001 | WO2001046070A1 Process for the separation of a hydroxylammonium salt solution |
| 06/27/2001 | EP1109641A1 Method and apparatus for producing material vapour |
| 06/27/2001 | CN1067654C High specific surface bi-component transition metal nitride and its synthesis |
| 06/27/2001 | CN1067653C Process for preparing high purity nitrogen by deep purification fo coarse nitrogen and technological flow |
| 06/26/2001 | US6251354 Recovering metal nitrate and separation |
| 06/26/2001 | US6251164 Fluid separation process and separation system therefor |
| 06/21/2001 | US20010004473 Delivering solution of liquid precursor to thermal spray device, forming nanaostructured particles from liquid precursor solution within thermal spray device and delivering formed nanostructured particles to substrate |
| 06/21/2001 | US20010004471 Method of processing a nanotube |
| 06/21/2001 | US20010004131 Adhesion method and electronic component |
| 06/20/2001 | EP1108766A2 Adhesion method and electronic component |
| 06/20/2001 | EP0883439B1 Grid catalyst based on titanium zeolite or vanadium zeolite and on inert reticulated fabrics for use in the catalysis of oxidation reactions |
| 06/13/2001 | EP1106799A1 Exhaust emission control device of internal combustion engine |
| 06/13/2001 | EP1106234A2 Zincoaluminosilicates of the fau structure |
| 06/07/2001 | WO2001026853A3 Production of a powder from molten metal by pulverization with a reactive gas |
| 06/06/2001 | CN1297848A Preparation of sodium 15 N-nitrite |
| 06/05/2001 | US6242045 Process of preparing metal nitride films using a metal halide and an amine |
| 06/05/2001 | CA2055298C Industrial adsorbants with low silica concentration x zeolites for the non cryogenic extraction of atmospheric gases, and process for their extraction |
| 05/30/2001 | EP1102953A1 Installation producing low voltage electricity integrated in a unit separating gas from air |
| 05/30/2001 | EP0689619B1 Apparatus and method for delivering reagents in vapor form to a cvd reactor |
| 05/30/2001 | CN1297422A Method for producing aqueous hydroxylamine solutions which are substantially free of metal ions |
| 05/29/2001 | US6238639 Process for removing NOx from nitrosylsulphuric acid |
| 05/29/2001 | US6238638 From a water-free solution of nitrosylsulphuric acid in sulphuric acid and from hydrogen chloride |
| 05/29/2001 | US6238634 Process for the nondestructive heating and supply of hot ammonia or hot ammonia containing feed gas |
| 05/29/2001 | US6238593 Rare-earth borate and its precursor, preparation processes and use of borate as luminophore |
| 05/25/2001 | WO2001036081A1 Cubic boron nitride clusters |
| 05/23/2001 | EP0907402B1 Method of removing, from a stream of gas, fluorinated compounds which contribute to destruction of the ozone layer and/or changes in climate, and use of the method |