| Patents for C01B 21 - Nitrogen; Compounds thereof (10,781) |
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| 01/22/1985 | US4494966 Process for nitrogen enrichment |
| 01/09/1985 | EP0048279B1 Process for manufacuring boron nitride fiber mats using a needler |
| 01/01/1985 | USRE31788 Process for producing metallic nitride powder |
| 01/01/1985 | US4491567 Manufacture of hydroxylammonium salts |
| 12/27/1984 | EP0129304A2 Molecular sieve type gas separation systems |
| 12/25/1984 | US4490345 Conversion of FS smoke agent (a mixture of sulfur trioxide and chlorosulfonic acid) to sulfamic acid and ammonium chloride |
| 12/25/1984 | US4490160 Method for enrichment of nitrogen in air by the method of adsorption and a carbonaceous adsorbent suitable therefor |
| 12/19/1984 | EP0128545A2 Air separation process |
| 12/19/1984 | EP0128359A1 Reinforced material incorporating fine composite powder and method and apparatus for making the same |
| 12/18/1984 | US4489128 Structure containing epitaxial crystals on a substrate |
| 12/12/1984 | EP0048277B1 Process for manufacturing boron nitride fiber batts using a spinner |
| 12/11/1984 | US4487023 Process for preparing a gasified ice product |
| 11/27/1984 | US4484961 Preparation and purification of N2 O4 containing rocket propellant oxidizer |
| 11/27/1984 | US4484943 Method and apparatus for making a fine powder compound of a metal and another element |
| 11/21/1984 | EP0125486A1 Method of making silicon or metal compound articles or powders by the reaction of solid state silicon or metal articles or powders with a gas |
| 11/20/1984 | US4483839 Process for producing silicon nitride |
| 11/20/1984 | US4483836 Method of producing diamond and/or diamond-like modifications of boron nitride |
| 11/14/1984 | EP0124981A2 Molecular sieve type gas separation systems |
| 11/14/1984 | EP0124901A2 Process and apparatus for manufacturing fine powder |
| 11/13/1984 | US4482669 Preceramic organosilazane polymers |
| 11/13/1984 | US4482525 Nitrogen fixation apparatus |
| 11/13/1984 | US4482362 Method for producing purified gases |
| 11/07/1984 | EP0124037A2 Method for preparing composite ceramic powder |
| 11/07/1984 | EP0123911A2 Pressure swing adsorption process for a medical oxygen generator for home use |
| 11/06/1984 | US4481300 Aluminum oxynitride having improved optical characteristics and method of manufacture |
| 11/06/1984 | US4481229 Method for growing silicon-including film by employing plasma deposition |
| 10/30/1984 | CA1176995A1 Repressurization for pressure swing adsorption system |
| 10/30/1984 | CA1176994A1 Repressurization for pressure swing adsorption system |
| 10/25/1984 | WO1984004110A1 HARD LAYER FORMED BY INCORPORATING NITROGEN INTO Mo OU W METAL AND METHOD FOR OBTAINING THIS LAYER |
| 10/24/1984 | EP0122897A2 A process for the production of silicon nitride |
| 10/24/1984 | EP0122874A1 Process for separating a mixed gas into oxygen and nitrogen under low temperature and low pressure conditions |
| 10/16/1984 | US4477424 Catalytic reduction of nitric oxide, maintaining ph at less than 2.0 |
| 10/16/1984 | US4477418 Process for adsorption |
| 10/16/1984 | US4477264 Pressure swing adsorption process for a medical oxygen generator for home use |
| 10/10/1984 | EP0121314A2 High hardness hafnium nitride |
| 10/10/1984 | EP0121042A2 Process for the production of nitrogen |
| 10/09/1984 | US4476324 Improved catalyst of anionic clay mineral |
| 10/09/1984 | US4476102 Molybdenum oxycarbonitride compositions and process for preparing the same |
| 10/02/1984 | CA1175238A1 Method and apparatus for the thermal production of metal carbides and metals |
| 09/27/1984 | WO1984003641A1 Gas scrubbing method and apparatus |
| 09/26/1984 | EP0119924A2 Carbon molecular sieves and a process for their preparation and use |
| 09/25/1984 | CA1174832A1 Method and arrangement for concentrating mineral acids, especially sulphuric acid |
| 09/18/1984 | US4471821 Ammonia-air mixture |
| 09/11/1984 | US4470799 For heating a screen |
| 09/04/1984 | US4469801 Titanium-containing silicon nitride film bodies and a method of producing the same |
| 09/04/1984 | US4469666 Catalyst units for producing hydrocyanic acid |
| 09/04/1984 | US4469508 Chemical reactors |
| 09/04/1984 | CA1173632A1 Apparatus for distributing a gas, coming from a pipe, over the cross-section of a vessel |
| 08/15/1984 | EP0115745A1 Refractory metal borides, carbides and nitrides, and composites containing them |
| 08/08/1984 | EP0114912A1 Novel repressurization for pressure swing adsorption system |
| 08/08/1984 | EP0114911A1 Novel repressurization for pressure swing adsorption system |
| 07/31/1984 | US4463065 Ribbed catalysts coated electrolytes |
| 07/17/1984 | US4460697 Process for producing non-oxide powders |
| 07/11/1984 | EP0113023A1 Process for eliminating di-nitrogen oxide from gases containing hydrogen, nitrogen monoxide and di-nitrogen oxide |
| 07/10/1984 | US4459363 Synthesis of refractory materials |
| 07/04/1984 | EP0112640A1 Process for obtaining high concentration argon by pressure-swing-adsorption |
| 07/03/1984 | US4457906 Preparation of hydroxylammonium salts |
| 06/26/1984 | US4456583 Preparation of simple nitronium salts |
| 06/26/1984 | CA1169629A1 Phosphonitrilic chloride polymers |
| 05/29/1984 | US4451436 Nitrogen fixation by plasma and catalyst |
| 05/29/1984 | US4451270 Using a solution of lewis base, oxygen-carrier metal comples and solvent; desorption |
| 05/16/1984 | EP0108294A2 Preparation from hydroxylammonium sulfate of alcoholic hydroxylamine solutions and of oximes, hydroxamic acids and other hydroxylammonium salts via alcoholic hydroxylamine solutions |
| 05/08/1984 | US4447408 Phosphonitrilic chloride polymers |
| 05/08/1984 | US4447379 Production of ceramic lithium nitride |
| 05/01/1984 | US4446242 Synthesis of refractory materials |
| 05/01/1984 | CA1166427A1 Processing method of a gas flow with inherent nitrous oxides and oxygen |
| 04/26/1984 | WO1984001531A1 Making hot pressed silicon nitride by use of low density reaction bonded body |
| 04/25/1984 | EP0106537A2 Organometallic chemical vapour deposition of films |
| 04/24/1984 | CA1166232A1 Zeolite nu-3 |
| 04/24/1984 | CA1165980A1 Method for improving dissolution efficiency in gas- absorption and liquid extraction processes |
| 04/17/1984 | US4443308 Nitrogen oxides, electrochemistry |
| 04/10/1984 | US4441920 Method for the thermal production of metals |
| 04/10/1984 | CA1165099A1 Removal of nitrogen oxides from gas |
| 04/03/1984 | US4440595 Apparatus for concentrating mineral acids |
| 04/03/1984 | US4440551 Method for the adsorptive removal of hydrogen sulfide from gas mixtures |
| 04/03/1984 | US4440548 Pressure swing absorption system |
| 04/03/1984 | CA1164626A1 Molybdenum oxycarbonitride compositions and processes for use thereof |
| 03/27/1984 | US4439213 Pressure swing adsorber system |
| 03/20/1984 | US4438084 Catalytic reduction of nitric oxide with hydrogen in the presence of mineral acid |
| 03/20/1984 | US4438081 Using sulfur oxide, and sulfur oxide chloride |
| 03/14/1984 | EP0102881A1 Magnetic iron carbon nitride based material, and preparation and application as magnetic recording material |
| 03/13/1984 | CA1163613A1 Method of folding a laminar article |
| 03/06/1984 | US4435373 Fibre packs for ammonia oxidation |
| 03/06/1984 | US4435201 Manufacturing and using nitrogen fertilizer solutions on a farm |
| 02/22/1984 | EP0101019A2 Method of transport, cooling and compression of nitrogen oxide-containing gases |
| 02/21/1984 | US4432808 Treatment of stainless steel apparatus used in the manufacture, transport or storage of nitrogen oxides |
| 02/14/1984 | US4431619 Process for the thermal polymerization of phosphazene polymers |
| 02/08/1984 | EP0099894A1 Electrocatalytic energy conversion and chemicals production |
| 01/31/1984 | US4428916 Firing silica, carbon, and silicon nitride or oxynitride in nitrogen or ammonia |
| 01/31/1984 | CA1161420A1 Catalysts prepared by a melt extraction process |
| 01/25/1984 | EP0099211A2 Process for nitrogen enrichment |
| 01/24/1984 | US4427510 Light driven photocatalytic process |
| 01/24/1984 | US4427434 Manufacturing and using nitrogen fertilizer solutions on a farm |
| 01/18/1984 | EP0098731A1 Method for producing oxygen and nitrogen and membrane therefor |
| 01/17/1984 | US4426367 Fixation of nitrogen in the presence of water vapor |
| 01/17/1984 | US4426366 Abrasives |
| 01/17/1984 | CA1160429A1 Process for removing nitrogen oxides from a gas stream |
| 01/11/1984 | EP0098261A1 Method of producing a vanadium- and nitrogen-containing material for use as an addition to steel |
| 01/11/1984 | EP0098157A1 Absorption process for producing oxygen and nitrogen and solutions therefor |
| 01/10/1984 | CA1160205A1 Fibre packs for ammonia oxidation |