| Patents for C01B 21 - Nitrogen; Compounds thereof (10,781) |
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| 01/10/1984 | CA1160022A1 Catalyst units |
| 01/03/1984 | CA1159772A1 Air fractionation by pressure swing adsorption |
| 12/27/1983 | US4423303 Apparatus for treating powdery materials utilizing microwave plasma |
| 12/20/1983 | US4421727 NF4+ WF7- and NF4+ UF7- and methods of preparation |
| 12/20/1983 | CA1159038A1 Gas-adsorbing agents and their use for extracting hydrogen from a gaseous current |
| 12/13/1983 | US4420635 Ammoniation of carbon dioxide |
| 12/13/1983 | US4420415 Process for the production of carbon molecular sieves |
| 12/07/1983 | EP0095783A2 Catalyzed aldol condensations |
| 12/06/1983 | US4419421 Ion conductor material |
| 12/06/1983 | US4419335 Process for producing rhombohedral system boron nitride |
| 12/06/1983 | US4419274 Nonmetallic catalyst compositions for oxidation of ammonia and process for making the catalyst |
| 12/06/1983 | CA1158015A2 Boron-rich polycrystalline cubic boron nitride |
| 11/29/1983 | US4418215 Catalysts |
| 11/29/1983 | US4418154 Light paraffinic hydrocarbons |
| 11/29/1983 | CA1157806A1 Cubic boron nitride preparation |
| 11/22/1983 | US4416863 Separating the powder from ammonium chloride |
| 11/15/1983 | US4415340 Adsorptive separation of gases |
| 11/09/1983 | EP0093632A1 Process and device for heating a fluidized bed with an injection of plasma, and use in nitrogen oxide synthesis, in the gazification of substances containing carbon, and in ore reduction |
| 11/08/1983 | US4414190 Method of preparing silicon nitride |
| 11/08/1983 | CA1156430A1 Cyclic process for the preparation and processing of a hydroxylammonium salt solution |
| 11/01/1983 | CA1156032A1 Water absortive composition |
| 10/27/1983 | WO1983003594A1 Fixation of nitrogen in the presence of water vapor |
| 10/26/1983 | EP0092153A2 Pressure swing adsorption system |
| 10/25/1983 | US4411971 Lithium halide-lithium imide compounds, solid electrolyte, cell |
| 10/18/1983 | US4410636 Method of manufacturing a sintered material based on silicon nitride, and material obtained by the method |
| 09/27/1983 | US4406867 Process for the purification of non-reacting gases |
| 09/27/1983 | CA1154232A1 Nitric acid reconstitution |
| 09/21/1983 | EP0088988A1 Process for the production of hydrogen cyanide with simultaneous production of aluminium nitride |
| 09/20/1983 | US4405589 Alkyl or aryl silicon chlorides, ammonia, roasting |
| 09/20/1983 | CA1154049A1 Method of and apparatus for gas generation |
| 09/20/1983 | CA1153897A1 Hydrometallurgical process for the recovery of lead |
| 09/13/1983 | US4404176 Reduction of nitric acid with hydrogen and a platinum catalyst |
| 09/07/1983 | EP0087798A2 A method and apparatus for making a fine powder compound of a metal and another element |
| 09/06/1983 | US4402925 Porous free standing pyrolytic boron nitride articles |
| 08/30/1983 | CA1152726A1 Process for forming calcium nitrite |
| 08/23/1983 | US4400362 Reaction with sulfurous acid to form reaction product, reaction of product with alkaline solution |
| 08/17/1983 | EP0085887A1 Process for the preparation of thiosemicarbazide |
| 08/16/1983 | US4399115 Synthesis of silicon nitride |
| 08/16/1983 | US4399108 Method for reprocessing and separating spent nuclear fuels |
| 08/16/1983 | US4399012 Nitrogen fixation method and apparatus |
| 08/16/1983 | CA1151837A1 Process for producing carbonitride of metal |
| 08/16/1983 | CA1151836A1 Process for producing metallic carbonitride |
| 08/10/1983 | EP0085288A1 A process for the production of silicon nitride |
| 08/10/1983 | EP0085155A1 Nitrogen generation system |
| 08/09/1983 | US4397828 Stable liquid polymeric precursor to silicon nitride and process |
| 08/09/1983 | US4397719 Process for preparing nitrogen by ammonium nitrate decomposition |
| 08/04/1983 | WO1983002605A1 Electrocatalytic energy conversion and chemicals production |
| 08/02/1983 | US4396589 Alkali metal complex compounds, and their use in the hydrogenation and nitridation of alkali metals |
| 08/02/1983 | US4396587 Method for manufacture of silicon nitride |
| 08/02/1983 | US4396439 Recovery and recycle of nitrate and nitrite salts from chloride containing quench bath solids |
| 08/02/1983 | CA1151194A1 Sorption of gases |
| 07/26/1983 | US4394954 Container and blank for constructing same |
| 07/26/1983 | CA1150479A1 Process for thermal polymerization of phosphorus polymers |
| 07/19/1983 | US4394161 Method of producing a vanadium- and nitrogen-containing material for use as an addition to steel |
| 07/19/1983 | CA1150037A1 Process and installation for extracting nitrous oxydes from nitrous gases |
| 07/12/1983 | US4393097 Electrically conductive Si3 N4 -C series amorphous material and a method of producing the same |
| 07/12/1983 | US4393033 Process for the preparation of ammonium sulfamate |
| 07/12/1983 | CA1149774A1 Process and apparatus for the preparation of nitrogen oxides |
| 07/12/1983 | CA1149581A1 Process for producing titanium carbonitride |
| 07/06/1983 | EP0082948A1 Installation and operating process for pressure swing adsorption |
| 06/29/1983 | EP0082600A1 Oxygen enriched system |
| 06/29/1983 | EP0082343A1 Process for preparing silicon nitride powder |
| 06/29/1983 | EP0082278A1 Method for the purification of cyclic chlorophosphazenes |
| 06/21/1983 | US4389339 For ammonia oxidation |
| 06/21/1983 | US4389223 Surface characteristics of boron rich cubic boron nitride |
| 06/15/1983 | EP0081195A1 Method of manufacturing a silicon nitride-based sintered material, and material obtained by this method |
| 06/07/1983 | US4387082 Removal of nitrous oxide from exit gases containing this compound during the production of hydroxylammonium salts |
| 06/07/1983 | US4387079 Method of manufacturing high-purity silicon nitride powder |
| 06/01/1983 | EP0080050A1 Powdery silicon nitride composition and sintered body made thereof and processes for preparing the same |
| 05/31/1983 | US4386060 Process for the preparation of sulfamic acid |
| 05/31/1983 | US4386058 Air pollution control |
| 05/31/1983 | US4386020 Galvanic cells |
| 05/24/1983 | US4384884 Process for the production of a hard solid solution containing molybdenum |
| 05/11/1983 | EP0078780A1 A method in the production of hydrogen peroxide |
| 05/10/1983 | US4382914 With sivalent metal catalyst |
| 05/10/1983 | US4382837 Single crystals by heating in the presence of flowing nitrogen and hydrogen gases; solid solutions; process control; semiconductors |
| 05/10/1983 | CA1145919A1 METHOD FOR PRODUCING POWDER OF .alpha.-SILICON NITRIDE |
| 05/04/1983 | EP0078161A2 Materials and methods for plasma etching of oxides and nitrides of silicon |
| 05/04/1983 | EP0078053A2 Phosphonitrilic chloride polymers |
| 04/26/1983 | US4381462 Conversion of available energy |
| 04/26/1983 | CA1145114A1 Method of purifying cyclic dichlorophosphazenes containing trace amounts of protic impurities |
| 04/20/1983 | EP0077121A2 Method for recovering platinum in a nitric acid plant |
| 04/13/1983 | EP0076731A2 Porous free standing pyrolytic boron nitride articles and method for preparing the same |
| 04/06/1983 | EP0075841A2 Method of controlling gas reactions with solid materials |
| 04/06/1983 | EP0075663A2 Process and apparatus for producing highly pure nitrogen |
| 03/29/1983 | US4378342 Process for the manufacture of potassium nitrate |
| 03/29/1983 | US4378341 Process for the manufacture of ammonium nitrilotrisulfonate |
| 03/23/1983 | EP0074472A1 Continuous hydrolysis of ketoxime |
| 03/22/1983 | US4377558 Polymerization of p-trichloro-n-dichlorophosphoryl-monophosphazene |
| 03/15/1983 | US4376672 With a fluorocarbon gas doped with carbon dioxide |
| 03/15/1983 | US4376639 Novel repressurization of pressure swing adsorption system |
| 03/08/1983 | US4376108 Process and apparatus for reclaiming sulfur-containing waste materials |
| 03/08/1983 | US4376105 Process for producing nitrous oxide |
| 03/01/1983 | US4375426 Platinum metals or alloys |
| 02/22/1983 | US4374818 From alkali metal hydroxide and ammonium nitrilotrisulfonate |
| 02/22/1983 | US4374815 Phosphonitrilic chloride polymers |
| 02/22/1983 | US4374807 Method for recovering aluminum fluoride from fluorine-containing aqueous aluminum nitrate solutions |
| 02/22/1983 | CA1141870A1 Method for forming an insulating film on a semiconductor substrate surface |
| 02/15/1983 | US4374112 Stable NF4+ salt of high fluorine content |
| 02/09/1983 | EP0071097A1 Process for the preparation of hydroxylammonium salts |