| Patents for C01B 21 - Nitrogen; Compounds thereof (10,781) |
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| 10/23/1985 | EP0158698A2 Method of manufacturing B type silicon nitride whiskers |
| 10/22/1985 | US4548799 Molecular sieve reactor |
| 10/22/1985 | CA1195479A1 Process for adsorption |
| 10/16/1985 | EP0158262A2 Pressure swing process for the adsorptive separation of gas mixtures |
| 10/16/1985 | EP0157939A2 Method for producing oxygen with a low content of argon from air |
| 10/15/1985 | US4547273 Mobile atom insertion reaction, mobile atom transmissive membrane for carrying out the reaction, and reactor incorporating the mobile atom transmissive membrane |
| 10/08/1985 | US4545968 Methods for preparing cubic boron nitride sintered body and cubic boron nitride, and method for preparing boron nitride for use in the same |
| 10/01/1985 | US4544537 Method for purifying cyclic dichlorophosphazene trimer of catalytic impurities |
| 10/01/1985 | US4544536 Polychlorophosphazenes and process for their preparation |
| 10/01/1985 | US4544535 Heating boron trihalide with ammonia in presence of volatile oxygen containing compound |
| 10/01/1985 | US4544379 Rotary spray scrubber |
| 10/01/1985 | US4544378 Nitrogen adsorption process |
| 09/24/1985 | US4543242 Process of preparing nitrogen trifluoride by gas-solid reaction |
| 09/24/1985 | US4543109 Molecular sieve type gas separation systems |
| 09/18/1985 | EP0154855A2 Crystalline zeolite and agglomerate containing the same |
| 09/17/1985 | US4542010 Method and apparatus for producing oxygen and nitrogen and membrane therefor |
| 09/11/1985 | EP0154470A2 Process and plant for manufacturing nitric acid |
| 09/10/1985 | US4540803 Hydrosilazane polymers from [R3 Si]2 NH and HSiCl3 |
| 09/10/1985 | CA1193239A1 Absorption process for producing oxygen and nitrogen and solution therefor |
| 09/03/1985 | US4539068 Vapor deposition, crystallization |
| 08/28/1985 | EP0153216A1 Process for the purification of aqueous hydrazine hydrate solutions |
| 08/28/1985 | EP0153168A2 Process for preparing a hydrazine hydrohalide |
| 08/28/1985 | EP0153008A2 Preceramic organosilazane polymers |
| 08/28/1985 | EP0152962A2 Oxygen production by molten alkali metal salts using multiple absorption-desorption cycles |
| 08/28/1985 | EP0152957A2 Method for making ultra-fine ceramic particles |
| 08/27/1985 | US4537755 Selective oligomer production |
| 08/27/1985 | CA1192377A1 Synthesis of silicon nitride |
| 08/14/1985 | EP0151490A2 Process for producing ultra-fine ceramic particles |
| 08/14/1985 | EP0151249A2 Stabilized solutions of hydroxyl amine or salts thereof in water or alcohols, and preparation thereof |
| 08/13/1985 | US4535007 Reacting polysilazane with metal halide, then heating |
| 08/06/1985 | US4533413 Reinforced material incorporating fine composite powder and method and apparatus for making the same |
| 08/06/1985 | US4533365 Process for the separation and recycling of NOx gas constituents through adsorption and desorption on a molecular sieve |
| 07/31/1985 | EP0150048A2 Method for making a fine powder of a metal compound having ceramic coatings thereon |
| 07/24/1985 | EP0149154A2 Process for producing aqueous hydroxylammonium carbonate solutions |
| 07/24/1985 | EP0149153A2 Process for producing aqueous hydroxylamine solutions |
| 07/24/1985 | EP0148967A1 Manufacturing and using nitrogen fertilizer solutions on a farm |
| 07/24/1985 | EP0148833A1 Method of making yttrium silicon oxynitrides. |
| 07/23/1985 | US4530825 Process for the production of silicon nitride |
| 07/23/1985 | CA1190913A1 Recovery of precious metal |
| 07/17/1985 | EP0148432A2 Stabilized solutions of hydroxyl amine or salts thereof in water or alcohols, and their preparation |
| 07/16/1985 | US4529577 Oxygen/nitrogen production with molten alkali salts |
| 07/16/1985 | US4529412 Process for obtaining high concentration argon by pressure-swing-adsorption |
| 07/10/1985 | EP0147742A2 Stabilized solutions of hydroxylamine or its salts in the water or alcohol and their preparation |
| 07/10/1985 | EP0147706A2 Stabilized solutions of hydroxyl amine or salts thereof in water or alcohols, and their preparation |
| 07/10/1985 | EP0147639A2 Stabilized solutions of hydroxyl amine or salts thereof |
| 07/09/1985 | US4528119 Metal borides, carbides, nitrides, silicides, oxide materials and their method of preparation |
| 07/03/1985 | EP0146909A2 Method of removing oxygen from a gas mixture containing oxygen and argon |
| 07/03/1985 | EP0146802A1 Hydrosilazane polymers from (R3Si)2NH and HSiCl3 |
| 07/03/1985 | EP0146534A1 Gas scrubbing method and apparatus |
| 07/02/1985 | US4526887 Carbon molecular sieves and a process for their preparation and use |
| 07/02/1985 | US4526855 Reacting lithium nitride, lithium halide, to form pressed body, heating, annealing |
| 07/02/1985 | US4526775 Oxygen production by molten alkali metal salts using multiple absorption-desorption cycles |
| 07/02/1985 | US4526658 Evaporation carried out in presence of hydrazine |
| 07/02/1985 | US4526650 Mixing pickling acid comprising iron, chrome, nickel, nitric and hydrofluoric acids with sulfuric acid, evaporating, crystallizing, where crystallization is promoted by dividing metal salt, precipitating separately |
| 07/02/1985 | CA1189844A1 Process for improving activity of tellurium containing metal oxide catalysts |
| 06/26/1985 | EP0146016A1 Stabilized aqueous or alcoholic solutions of hydroxyl amine or its salts, and their preparation |
| 06/25/1985 | US4525226 High yield nitrogen gas generators |
| 06/19/1985 | EP0145517A1 Process for the treatment of a gas flow containing nitrogen oxides |
| 06/18/1985 | US4524052 Borate chloride polymerization catalysts |
| 06/11/1985 | US4522798 Halophosphazene polymers |
| 06/11/1985 | US4522797 Halophosphazene polymers |
| 06/11/1985 | US4522796 Reacting linear and-or cyclic phosphonnitrilic chloride oligomers with either ammonia or ammonium chloride |
| 06/11/1985 | US4522795 Phosphonitrilic chloride polymers |
| 06/11/1985 | US4522689 Vacuum distillation |
| 06/11/1985 | US4522660 Process for ion nitriding of aluminum or an aluminum alloy and apparatus therefor |
| 06/04/1985 | US4521393 Method of manufacturing β type silicon nitride whiskers |
| 06/04/1985 | US4521390 Continuous process and equipment for the recovery of nitrogen oxides from nitrous gases |
| 06/04/1985 | CA1188231A1 Repressurization for pressure swing adsorption system |
| 05/21/1985 | US4518438 Method of transport, cooling and compression of nitrogen oxide-containing gases |
| 05/14/1985 | US4517168 Grinding amorphous silicon nitride powder prior to heating to produce crystalline silicon nitride powder |
| 05/08/1985 | EP0139984A1 Process for adsorption |
| 05/07/1985 | US4515763 High specific surface area carbides and nitrides |
| 05/07/1985 | US4515615 From ammonia and air, in situ |
| 05/07/1985 | CA1186696A1 Process for producing thiosemicarbacide |
| 05/07/1985 | CA1186599A1 Epitaxial crystals and fabrication thereof |
| 04/30/1985 | US4514370 Process for preparing silicon nitride powder |
| 04/23/1985 | US4512964 Stainless steel catalyst |
| 04/23/1985 | US4512794 Manufacturing and using nitrogen fertilizer solutions on a farm |
| 04/17/1985 | EP0137652A2 Process for producing boron nitride and boron nitride obtained thereby |
| 04/16/1985 | US4511666 Process for producing beta'-silicon aluminum oxynitride (B'-SiAlON) |
| 04/16/1985 | US4511539 Recovery of precious metal |
| 04/16/1985 | US4511389 Manufacturing and using nitrogen fertilizer solutions on a farm |
| 04/09/1985 | US4509997 Organometallic chemical vapor deposition of films utilizing organic heterocyclic compounds |
| 04/03/1985 | EP0135936A2 Production of oxygen enriched air |
| 04/02/1985 | US4508695 Process for preparing hydrazines |
| 03/27/1985 | EP0135033A1 Process for reducing the nitrogen dioxide content of gas mixtures |
| 03/27/1985 | EP0134947A1 Method and apparatus for improved gettering for reactant gases |
| 03/26/1985 | US4507271 Removal of nitrous oxide from gases containing hydrogen, nitric oxide and nitrous oxide |
| 03/26/1985 | US4507248 Preparation from hydroxylammonium sulfate of oximes and hydroxamic acids via alcoholic hydroxylamine solution |
| 03/20/1985 | EP0134259A1 Improved process for preparing hydrazines |
| 03/19/1985 | US4505795 Ultrasonic, electricity, discharging |
| 03/05/1985 | US4503028 Method in the production of hydrogen peroxide |
| 02/26/1985 | US4501723 Mixing yttrium and silicon oxide, and silicon nitride, heating, grinding |
| 02/19/1985 | US4500644 Silicon and alumina briquetted, then nitrided |
| 02/19/1985 | CA1182765A1 Repressurization for pressure swing adsorption system |
| 02/14/1985 | WO1985000583A1 Method of making yttrium silicon oxynitrides |
| 02/13/1985 | EP0132756A2 Nitrogen generator process for the production of low volume of high purity nitrogen from compressed air |
| 02/12/1985 | US4499193 Process for producing beta'-silicon aluminum oxynitride (B'-SiAlON) using discrete particles |
| 01/23/1985 | EP0132188A1 Linear polychlorophosphazenes having dichlorothiophosphoryl end groups, process for their production and utilisation |
| 01/23/1985 | EP0131894A2 A method for producing alpha-form silicon nitride fine powders |