| Patents for C01B 21 - Nitrogen; Compounds thereof (10,781) |
|---|
| 01/03/2001 | EP1064667A1 Polymer formulations for gettering hydrogen |
| 01/03/2001 | EP1064224A1 Synthesis method for powder ceramic complexes of refractory metals |
| 01/03/2001 | CN1278779A Process for purifying perfluorinated products |
| 01/02/2001 | US6168774 Compact deoxo system |
| 12/27/2000 | EP1062023A1 Thermally powered oxygen/nitrogen plant incorporating an oxygen selective ion transport membrane |
| 12/26/2000 | US6165435 Method and production of nitric acid |
| 12/20/2000 | EP1060774A1 Purification of gases |
| 12/20/2000 | EP1060124A1 Method for producing hydroxylammonium salts |
| 12/20/2000 | CN1059639C Process for producing nm phosphide and nitride by thermal synthesis in organic solvent |
| 12/19/2000 | US6162512 Process for modifying surfaces of nitride, and nitride having surfaces modified thereby |
| 12/12/2000 | US6159910 Aluminum nitride composition |
| 12/12/2000 | US6159440 Process for production of ammonium thiosulphate |
| 12/12/2000 | US6159439 Nitriding aluminum powder |
| 12/07/2000 | WO2000073202A1 Process for nitrous oxide purification |
| 12/07/2000 | WO2000073201A2 Nitrogen trifluoride production apparatus |
| 12/06/2000 | EP1056937A1 Combustion engine air supply system |
| 12/06/2000 | EP1056713A2 Method for producing aqueous hydroxylamine solutions which are substantially free of metal ions |
| 12/06/2000 | CN1275527A Reaction synthesis process for aluminium nitride powder body |
| 12/06/2000 | CN1275526A Process for preparation of self-spread high-temp. synthesizing ferro-silicon nitride powder |
| 12/06/2000 | CN1059267C Production of ultrahigh purity nitrogen |
| 12/05/2000 | US6156889 Reagent useful for cleaving a protected functional group |
| 12/05/2000 | US6156096 Sweeping with fluid; eongated, hydrophobic, microporous |
| 11/30/2000 | WO2000071232A1 Isolation of sf6 from insulating gases in gas-insulated lines |
| 11/30/2000 | DE10011567A1 Luminescent material for light emitting element, comprises silicon and nitrogen, with the amount of silicon higher than stoichiometric amount of silicon in silicon nitride |
| 11/29/2000 | CN2408104Y New reaction still for synthesizing concentrated nitric acid |
| 11/28/2000 | US6153799 Method for producing highly pure aqueous hydroxylamine solutions |
| 11/23/2000 | WO2000069775A1 Energy-activated compositions for controlled sustained release of a gas |
| 11/23/2000 | DE19923155A1 Process for removing sulfur hexafluoride/nitrogen mixtures from gas-isolated lines comprises contacting the gas mixture with a membrane |
| 11/22/2000 | EP1053973A1 Spherical boron nitride process, system and product of manufacture |
| 11/22/2000 | CN1274297A Method for reducing nitrous oxide in gases and corresponding catalysts |
| 11/22/2000 | CN1273937A Preparing hydrogen and CO |
| 11/21/2000 | US6149745 Gas generant composition |
| 11/16/2000 | WO2000068143A1 Process for the nondestructive heating and supply of hot ammonia or hot ammonia containing feed gas |
| 11/16/2000 | WO2000068142A1 Methods and systems for the catalytic formation of silicon nitride using a fluidized bed of silica |
| 11/16/2000 | DE19920741A1 Concentration of nitric acid or separation of other mixtures forming azeotrope by extractive distillation uses process heat for heating feed and recycled, very concentrated extractant |
| 11/16/2000 | CA2370185A1 Process for the nondestructive heating and supply of hot ammonia or hot ammonia containing feed gas |
| 11/15/2000 | EP1052219A1 Production of hydrogen and carbon monoxide |
| 11/15/2000 | EP1051422A1 Silica gel incorporating polyazacycloalkane structural units |
| 11/14/2000 | US6146447 Oxygen generation process and system using single adsorber and single blower |
| 11/07/2000 | US6143056 Rotary valve for two bed vacuum pressure swing absorption system |
| 11/02/2000 | WO2000065649A1 CVD TiN PLUG FORMATION FROM TITANIUM HALIDE PRECURSORS |
| 11/02/2000 | WO2000065639A1 Anti-reflective coatings and methods regarding same |
| 11/01/2000 | CN1272095A Synthesis method for solution with high grade chloramine |
| 10/31/2000 | US6139604 Thermally powered oxygen/nitrogen plant incorporating an oxygen selective ion transport membrane |
| 10/31/2000 | CA2192014C Reactive purge for solid electrolyte membrane gas separation |
| 10/26/2000 | DE19919613A1 Ultra-finely crystalline silicon nitride powder, useful for sintered components, is produced by phase transformation of amorphous silicon nitride powder in a liquid phase-forming additive melt |
| 10/25/2000 | CN1271331A Method for producing an aqueous solution of free hydroxylamine |
| 10/24/2000 | US6136758 Surface treated with organosilane; grease composition used for the heat reduction of electronic devices |
| 10/24/2000 | US6136222 Liquid absorbent solutions for separating nitrogen from natural gas |
| 10/24/2000 | US6136115 Thermally-stabilized prilled ammonium dinitramide particles, and process for making the same |
| 10/24/2000 | US6136069 Separating a more strongly adsorbable component from one or more less strongly adsorbable components in a gaseous mixture |
| 10/24/2000 | CA2072651C Process for obtaining nitrogen from air or nitrogen-containing gases by pressure exchange adsorption on carbon molecular sieves |
| 10/18/2000 | EP1017621A4 Purification of hydroxylamine |
| 10/17/2000 | US6133180 Ceramic composite particle and production method thereof |
| 10/17/2000 | US6132695 Preparing a group vi metal amide complex in solvent, heating and dissolving |
| 10/17/2000 | US6132692 Barrier discharge conversion of SO2 and NOx to acids |
| 10/11/2000 | EP1043099A1 Sm-Fe-N ALLOY POWDER AND PROCESS FOR THE PRODUCTION THEREROF |
| 10/11/2000 | CN1269766A Purification of hydroxylamine |
| 10/10/2000 | CA2179800C Vsa adsorption process with feed/vacuum advance and provide purge |
| 10/04/2000 | CN1057063C Process for producing aluminum nitride powders by self diffusion process at high temp. |
| 10/03/2000 | US6127510 Polymeric reaction product of a bis(trihydrocarbyl (silyl/germanyl/stannyl))carbodiimide with a halogenotriazine which can undergo pyrolysis to form carbon nitride or borocarbonitride; cutting tool abrasive |
| 09/27/2000 | EP1038991A1 Process recovering acids from metalliferous solutions of these acids |
| 09/27/2000 | CN1268100A Stabilized hydroxylamine solutions |
| 09/27/2000 | CN1268099A Method for fabricating silicon oxynitride |
| 09/27/2000 | CN1267747A Process for recovering acid from acid metal solution |
| 09/27/2000 | CN1267633A Process for producing laughing gas |
| 09/21/2000 | DE10009639A1 Production of dinitrogen monoxide (laughing gas) by catalytic reduction of nitrogen monoxide with a reducing agent in the gas phase with heterogenic catalysis |
| 09/20/2000 | EP1036761A1 Process for the preparation of nitrous oxide |
| 09/20/2000 | EP0866885A4 Nanostructured feeds for thermal spray |
| 09/19/2000 | US6120748 High pressure |
| 09/13/2000 | EP1034572A1 Transition metal-based ceramic material and articles fabricated therefrom |
| 09/13/2000 | EP1034134A1 Ammonia oxidation catalysts |
| 09/12/2000 | US6117403 Barrier discharge conversion of Hg, SO2 and NOx |
| 09/07/2000 | DE10009059A1 Use of molecular sieve carbon for separating nitrogen from methane e.g. for purifying natural gas or biogas |
| 09/06/2000 | EP0762997B1 Ceramic production process |
| 09/06/2000 | EP0755367B1 Silicon nitride/silicon carbide composite powders, their preparation and densified materials prepared using the composite powders |
| 09/05/2000 | US6113869 Dessication; catalytic oxidation of carbon monoxide and hydrogen to water and carbon dioxide; absorption, chemisorption |
| 08/31/2000 | WO2000050363A1 Dinitramide based liquid mono-propellants |
| 08/30/2000 | EP1031536A1 Tantalum(V) nitride pigment, process for its preparation and its application |
| 08/30/2000 | EP1031535A1 Process for the preparation of nitride/oxynitride-based yellow to red pigments |
| 08/30/2000 | EP1030818A1 Process for purifying perfluorinated products |
| 08/29/2000 | US6110853 Modified composite silicon nitride powders for thermal coating technologies and process for their production |
| 08/29/2000 | US6110436 Defluorination of a fluorinated compound |
| 08/29/2000 | CA2160058C Process for decomposing ammonia in an off-gas |
| 08/24/2000 | DE19907618A1 Verfahren zur Herstellung von gelben bis roten Pigmenten auf der Basis von Nitriden und Oxidnitriden Process for the preparation of yellow to red pigments based on nitrides and oxynitrides |
| 08/24/2000 | DE19907616A1 Tantal(V)-nitrid-Pigmente, Verfahren zu deren Herstellung und deren Verwendung Tantalum (V) nitride pigments, processes for their preparation and their use |
| 08/23/2000 | EP1029578A1 Process and installation for recovery and/or purification of dinitrogen oxide contained in an exhaust gas |
| 08/23/2000 | CN1264329A Composition comprising metal salt and metal powder therefrom by calcining thereof |
| 08/23/2000 | CA2299181A1 Tantalum(v) nitride pigments |
| 08/23/2000 | CA2299180A1 Process for the production of yellow to red pigments based on nitrides and oxidenitrides |
| 08/22/2000 | US6106797 Gauze catalyst based on titanium or vanadium zeolites and inert gauze fabrics for accelerating oxidation reactions |
| 08/22/2000 | US6106795 Liquid hydrate regeneration of contaminated acids |
| 08/17/2000 | WO2000047404A1 Chemical vapor deposition of tungsten nitride |
| 08/17/2000 | DE19905753A1 Ammoniakoxidation mit verminderter Bildung von N¶2¶O Ammonia oxidation with reduced formation of N¶2¶O |
| 08/16/2000 | EP1028089A1 Oxidation of ammonia with lower N2O formation |
| 08/15/2000 | US6103214 Utility as gas separation adsorbents in processes for separating oxygen from nitrogen in air. |
| 08/10/2000 | WO2000046819A1 Capacitor substrates made of refractory metal nitrides |
| 08/10/2000 | CA2372254A1 Capacitor substrates made of refractory metal nitrides |
| 08/09/2000 | EP1025042A1 Carbonitride powder, method for producing same, and use thereof |
| 08/09/2000 | EP1025041A1 Method for fabricating silicon oxynitride |