| Patents for C01B 21 - Nitrogen; Compounds thereof (10,781) |
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| 08/09/2000 | CN1055273C Apparatus for preparing rich N gas |
| 08/03/2000 | DE19903616A1 Verfahren zur Herstellung von Stickoxiden mit niedrigem Oxidationsgrad A process for the production of nitrogen oxides with a low oxidation degree |
| 08/02/2000 | EP1024112A1 Process for the preparation of nitrogen oxides with low oxidation degree |
| 08/02/2000 | EP0462216B1 Process for improving the physical and catalytic properties of a fluid cracking catalyst |
| 08/02/2000 | CN1261594A Method for producing nitric acid |
| 08/01/2000 | US6096671 Method of using hexagonal system boron nitride powder |
| 08/01/2000 | US6096282 Instantaneous synthesis of refractory nitrides from solid precursors |
| 08/01/2000 | US6096278 Air purification by compression then catalytic oxidation and/or reduction of carbon monoxide, hydrogen, methane, sulfur dioxide, nitrogen oxides or halogen compounds and cooling yields pure nitrogen and oxygen |
| 07/27/2000 | DE19901539A1 Farbbildschirm mit Farbpigment Color screen with color pigment |
| 07/26/2000 | EP1021595A2 Electrosynthesis of hydroxylammonium salts and hydroxylamine using a mediator, a catalytic film, methods of making the catalytic film, and electrosynthesis of compounds using the catalytic film |
| 07/26/2000 | CN2389147Y Concentrated nitric acid bleaching tower |
| 07/26/2000 | CN1054779C Warp-knit fabric of noble metal-containing wires and method for the production thereof |
| 07/20/2000 | DE19902824A1 Mixed catalyst use e.g. in exhaust gas treatment consists of an element or oxide of group IV b, group V band group VII b |
| 07/19/2000 | EP1020509A1 Colour display panel with colour pigment |
| 07/19/2000 | EP1019319A1 Synthesis method for solution with high grade chloramine |
| 07/19/2000 | EP0756580B1 Method and apparatus for producing nanostructured ceramic powders and whiskers |
| 07/19/2000 | CN1260762A Method for preparing highly pure aqueous hydroxylamine solutions |
| 07/19/2000 | CN1260231A Purification for gas |
| 07/18/2000 | US6090358 Crystalline Six Cy Nz and method for synthesis |
| 07/18/2000 | US6089051 Warp-knit fabric of noble metal-containing wires, and method for the production thereof |
| 07/18/2000 | CA2143099C Process for the purification of inert gases |
| 07/13/2000 | WO2000040776A1 In situ chemical generator and method |
| 07/13/2000 | WO2000040329A1 Catalyst support |
| 07/13/2000 | WO2000022204A3 Simulated diamond gemstones formed of aluminum nitride and aluminum nitride:silicon carbide alloys |
| 07/13/2000 | CA2353399A1 Catalyst support |
| 07/12/2000 | EP1017621A1 Purification of hydroxylamine |
| 07/12/2000 | EP1017478A1 Method for reducing nitrous oxide in gases and corresponding catalysts |
| 07/05/2000 | EP0736109B1 Material of chemical compounds with a metal in group iv a of the periodic system, nitrogen and oxygen and process for producing it |
| 07/04/2000 | US6083468 Method of manufacturing a hydrogenation catalyst |
| 06/29/2000 | WO2000037357A1 Method for making a hydrazine by hydrolysing an azine |
| 06/28/2000 | EP1013604A1 Method for production of nitric acid |
| 06/28/2000 | EP1013333A2 Process for the removal of carbon monoxide, hydrogen, carbon dioxide and water from a gas |
| 06/28/2000 | EP1013330A2 Rotary valve for two bed vacuum pressure swing adsorption system |
| 06/28/2000 | EP1012114A1 Method for producing an aqueous solution of free hydroxylamine |
| 06/28/2000 | CN1053843C High-efficiency deoxidizing and dehydrogenation catalyst, its preparation and use |
| 06/27/2000 | US6080226 Selective adsorption of nitrous oxide from waste stream containing oxygen and nitrogen onto zeolite bed to provide a nitrous oxide product essentially free of oxygen; continuous processing |
| 06/27/2000 | CA2073651C Non-stoichiometric titanium nitride coating |
| 06/22/2000 | WO2000036639A1 Silicon oxynitride film |
| 06/21/2000 | EP1010665A1 Tantalum(V) nitride pigment, process for its preparation and its application |
| 06/21/2000 | DE19858255A1 Tantal(V)-nitrid-Pigment, Verfahren zu seiner Herstellung und seine Verwendung Tantalum (V) nitride pigment, process for its preparation and its use |
| 06/21/2000 | CN1256959A Reverising valve for double-bed vacuum pressure variation adsorption system |
| 06/20/2000 | US6077457 Cr, w, mn, fe, co, or ni complex comprising at least one molecular nitrogen ligand; and at least one other monodentate or multidentate ligand |
| 06/17/2000 | CA2292371A1 Tantalum(v) nitride pigment |
| 06/15/2000 | DE19857190A1 Material zur Reduzierung oder Beseitigung von unerwünschten Beimengungen in Gasen, Verfahren zu dessen Herstellung und Anwendung Material for reducing or eliminating undesirable constituents in gases, process for its preparation and application |
| 06/14/2000 | EP1008551A2 Method for making a catalyst composition |
| 06/14/2000 | EP1008376A1 Material for reducing or removing of unwanted impurities from a gas, process for the production and use thereof |
| 06/14/2000 | EP1007473A1 Method for performing catalytic or non-catalytic processes, with enriched oxygen as one of the reactants |
| 06/14/2000 | EP0655013B1 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures |
| 06/14/2000 | CN1256281A Process for preparing catalytic component |
| 06/13/2000 | US6074622 Catalyst based on titanosilicalites and process for producing N,N-disubstituted hydroxylamine |
| 06/13/2000 | US6074621 Compression, heating, catalytic oxidation, adsorption |
| 06/08/2000 | DE19855514A1 New cubic silicon nitride, useful in production of hard material, ceramics and composites, e.g. grinding and cutting tools, or for optical, acoustic, magnetic or electronic purposes is produced e.g. by nitriding silicon |
| 06/07/2000 | EP1005895A1 Purification of gases |
| 06/07/2000 | CN2381375Y Pressure variable double layer adsorbing apparatus |
| 05/31/2000 | EP1004342A2 Pressure swing adsorption gas separation process and system using single adsorber and product recycle |
| 05/31/2000 | CN1254679A Process and equipment for preparing aqueous solution of nitric acid |
| 05/30/2000 | CA2049014C Method of separating dinitrogen pentoxide from its solution in nitric acid |
| 05/24/2000 | EP1002964A1 Rolling bearing with coated element |
| 05/24/2000 | EP1001910A1 Method for producing nitric acid and device for carrying out said method |
| 05/24/2000 | CN1254061A Rolling bearing with coating layer portion |
| 05/23/2000 | US6066414 Material of negative electrode and nonaqueous-electrolyte secondary battery using the same |
| 05/19/2000 | CA2289913A1 Rotary valve system for two bed vacuum pressure swing absorption system |
| 05/10/2000 | EP0998363A1 A composition comprising a metal salt and metal powder therefrom by the calcining thereof |
| 05/10/2000 | CN1252403A Process for preparing hydrazine |
| 05/09/2000 | US6059858 High temperature adsorption process |
| 05/09/2000 | CA2037413C Method for producing a fine grained powder consisting of nitrides and carbonitrides of titanium |
| 05/03/2000 | EP0996589A1 Method for preparing mesomorphic polyborazylene, mesomorphic polyborazylene, use as bn precursor |
| 05/03/2000 | EP0996493A1 Process and plant for the separation of nitrogen and oxygen from gases rich of nitrogen and/or oxygen |
| 05/03/2000 | EP0741667B1 Production of no from n 2?o |
| 05/02/2000 | US6056928 Stage for absorbing the nitrogen oxides other than n2o in an absorbent or reacting the nitrogen oxides other than n2o with an absorbent, and stage for reducing n2o. |
| 05/02/2000 | CA2197436C Process for producing ceramic powders, especially titanium dioxide useful as a photocatalyst |
| 04/27/2000 | WO1999061371A3 New class of diamond-based materials and techniques for their synthesis |
| 04/26/2000 | EP0994829A1 Thermally-stabilized prilled ammonium dinitramide particles, and process for making the same |
| 04/25/2000 | US6054520 Heat conductive BN filler and electrically insulating/heat dissipating sheet |
| 04/20/2000 | WO2000022204A2 Simulated diamond gemstones formed of aluminum nitride and aluminum nitride:silicon carbide alloys |
| 04/20/2000 | WO2000021921A1 Method for preparing hydrazine |
| 04/19/2000 | EP0994085A2 Method of manufacturing spherical bodies |
| 04/19/2000 | CN1051525C Process for prepn. of hydroxylammonium salts |
| 04/19/2000 | CN1051475C Pressure swing adsorption process |
| 04/18/2000 | CA2198557C Method and apparatus for the production of nitric oxide gas mixture |
| 04/11/2000 | US6048813 Simulated diamond gemstones formed of aluminum nitride and aluminum nitride: silicon carbide alloys |
| 04/11/2000 | US6047561 Cryogenically distilling compressed air, recovering an impure inert fluid containing hydrogen and residual impurity,, adsorbing residual impurity by means of a bed of adsorbent, removing the hydrogen impurities by means of permeation |
| 04/05/2000 | EP0989952A1 Method for producing highly pure aqueous hydroxylamine solutions |
| 04/05/2000 | EP0868397B1 Stabilised hydroxylamine solutions |
| 04/05/2000 | CN1249268A Method for mfg. nitrizing film |
| 03/30/2000 | WO2000017414A1 Tantalum films and methods for their deposition |
| 03/30/2000 | DE19842538A1 Production of hydroxyl ammonium sulfate using a multi-stage purification and separation process |
| 03/29/2000 | CN1248546A Process for preparation of hydrazine hydrate |
| 03/29/2000 | CN1050767C Variable-pressure adsorption for preparing high-purity nitrogen utilizing controlled internal flow |
| 03/23/2000 | WO2000015586A1 Field assisted transformation of chemical and material compositions |
| 03/22/2000 | CN1248233A Method for making submicrometer transition metal carbonitrides |
| 03/22/2000 | CN1247862A Prepn. of hydrazine hydrate |
| 03/09/2000 | WO2000012430A1 Method for preparing hydrazine hydrate |
| 03/09/2000 | DE19840018A1 Verfahren und Vorrichtung zur Herstellung von Distickstoffpentoxid Method and apparatus for the preparation of dinitrogen pentoxide |
| 03/08/2000 | EP0983965A1 Process and apparatus for preparing dinitrogen pentoxide |
| 03/08/2000 | EP0983209A4 Pyridine and pyridone stabilizers for hydroxylammonium nitrate |
| 03/08/2000 | EP0983209A1 Pyridine and pyridone stabilizers for hydroxylammonium nitrate |
| 03/08/2000 | EP0983208A1 Material with reduced optical absorption |
| 03/07/2000 | US6033460 Reactive matrix for removing moisture from a fluorine containing gas and process |
| 03/02/2000 | WO2000010915A1 Production of nitrous oxide |