Patents for C01B 21 - Nitrogen; Compounds thereof (10,781) |
---|
05/26/1995 | CA2176569A1 Making quantum dot particles of uniform size |
05/23/1995 | US5417952 Process for synthesizing titanium carbide, titanium nitride and titanium carbonitride |
05/23/1995 | US5417950 Absorption of nitrogen dioxide from nitric oxide with zeolites |
05/23/1995 | US5417887 Reduced viscosity, organic liquid slurries of aluminum nitride powder |
05/23/1995 | US5417823 Metal-nitrides prepared by photolytic/pyrolytic decomposition of metal-amides |
05/17/1995 | EP0652985A1 Wires incorporating a helical component, assemblies thereof, and use of said assemblies as catalyser and/or to recover precious metals. |
05/17/1995 | CN1028412C Method for gas separation using helically wound hollow fibers permeable membrane cartridge |
05/16/1995 | US5415852 Solid fuel oxidizer |
05/09/1995 | US5414050 Polymer precursors for aluminum nitride aluminum nitride-containing ceramics from polymeric precursors |
05/09/1995 | US5413625 Mixed ion-exchanged zeolites and processes for the use thereof in gas separations |
05/04/1995 | WO1995011857A1 Method of oxidizing nitrogen |
05/04/1995 | WO1995011856A1 Air purification process |
05/03/1995 | EP0650791A1 Fine particles of metals, alloys and metal compounds |
05/03/1995 | EP0495037B1 Process of and apparatus for preparing dinitrogen pentoxide |
05/03/1995 | CA2134631A1 Finely divided metal, alloy and metal compound powders |
05/02/1995 | US5411762 Method of obtaining a sialon-based ceramic material by reducing an aluminosilicate material, and use thereof in forming a ceramic coating on a refractory substrate |
05/02/1995 | US5411725 Process for the continuous conversion of one hydroxylamine salt to another hydroxylamine salt |
05/02/1995 | CA1335426C Apparatus for the separation of gas mixtures |
04/26/1995 | EP0649453A1 Azeotropic compositions of perfluoroethane, and trifluoromethane, or oxide, or nitrous oxide, or carbon dioxide, or fluoromethane. |
04/26/1995 | EP0649343A1 Foraminous sheets for use in catalysis |
04/19/1995 | EP0628096A4 Inert gas purifying system. |
04/18/1995 | US5407652 Method for decomposing N20 utilizing catalysts comprising calcined anionic clay minerals |
04/18/1995 | US5407608 Preparing hot solution of metal azide with metal oxide particles suspended therein, precipitating metal azide from the solution by cooling by indirect heat exchanging |
04/12/1995 | EP0591459A4 Process of making niobium oxide. |
04/12/1995 | CN1101300A Process for the purification of inert gases |
04/11/1995 | US5405592 Crystals having controlled microstructure, bulk density and porosity, for compression molding |
04/11/1995 | US5405515 Method and apparatus for production of a carbon nitride |
04/11/1995 | US5404727 Manufacture of chemicals |
04/11/1995 | CA1335150C Process for the production or recovery of acids from metalliferous solutions of such acid |
04/06/1995 | WO1995002709A3 EXTENDED NITRIDE MATERIAL COMPRISING β-C3N¿4? |
04/05/1995 | EP0646096A1 Process for producing high purity hydroxylammonium nitrate |
04/05/1995 | CN1101118A Production of ultrahigh purity nitrogen |
04/04/1995 | US5403909 Catalysts for polycondensation and redistribution of organosiloxane polymers |
04/04/1995 | US5403563 Apparatus for silicon nitride precursor solids recovery |
03/28/1995 | US5401697 Process for converting water-sensitive ceramic powders into a free-flowing granulated powder |
03/28/1995 | US5401483 Catalyst assembly providing high surface area for nitric acid and/or HCN synthesis |
03/28/1995 | US5401478 Selective catalytic reduction of nitrogen oxides |
03/28/1995 | US5401473 Method and apparatus for treatment of NF3 gas |
03/23/1995 | WO1995007610A1 Method and means for generating nitric oxide |
03/23/1995 | CA2169859A1 Method and means for generating nitric oxide |
03/22/1995 | EP0644155A1 Process for the continuous preparation of aluminium nitride by carbo nitridation of alumina in a moving bed reactor |
03/22/1995 | EP0644154A1 Process for the continuous preparation of aluminium nitride by the carbonitridation of alumina |
03/22/1995 | EP0496853B1 Method of extracting dinitrogen pentoxide from its mixture with nitric acid |
03/21/1995 | US5399339 Process for the preparation of nitride complexes of transition metals |
03/16/1995 | WO1995007234A1 PROCESS FOR PLASMACHEMICAL TRANSFORMATION OF N2O INTO NOx AND/OR INTO DERIVATIVES THEREOF |
03/16/1995 | DE4329599C1 Process for removing impurities from hydrazine hydrate |
03/15/1995 | EP0643143A2 Composite ultrafine particles of nitrides, method for production and sintered article thereof |
03/15/1995 | CN1099997A Generation of nitric oxide from air for medical uses |
03/08/1995 | EP0641737A1 Packed bed arrangement useful for mixing and/or oxidation |
03/08/1995 | CN1099718A Circular ammonia no-hydrogen deoxygen purify system for drying polyamide fibre section |
03/08/1995 | CN1027802C Low temp. purification of gas |
03/07/1995 | US5395694 Aluminum nitride powder having surface layer containing oxynitride |
03/07/1995 | US5395606 Metal nitride powders |
03/01/1995 | EP0640379A1 Method for decomposing N20 utilizing catalysts comprising calcined anionic clay minerals |
03/01/1995 | EP0640368A1 Chemical purification for semiconductor processing by partial condensation |
02/28/1995 | US5393508 Heating in liquid phase and then decompressing without any concomitant decomposition |
02/21/1995 | US5391268 Electrochemical process for the removal of residual nitric acid from aqueous hydroxylammonium nitrate |
02/21/1995 | CA1334475C High purity aluminum nitride of controlled morphology |
02/16/1995 | DE4419464A1 Process for the selective and complete conversion of ammonia into nitrogen monoxide NO |
02/16/1995 | DE4404072C1 Apparatus for generating high-pressure nitrogen |
02/14/1995 | US5389588 Reaction injection molding of silicon nitride ceramics having crystallized grain boundary phases |
02/14/1995 | US5389585 Fine non-oxide ceramic powders |
02/14/1995 | US5388482 Depressed park windshield wiper mechanism |
02/14/1995 | US5388413 Portable nitrogen source |
02/14/1995 | CA1334333C Method for making silicon nitride powder |
02/14/1995 | CA1334331C Apparatus and method for producing uniform, fine boron-containing ceramic powders |
02/09/1995 | WO1995003873A1 Method and apparatus for separating nitrogen-rich gas |
02/02/1995 | DE4325438A1 Process for the direct preparation of pure hydroxylamine-O-sulphonic acid |
02/01/1995 | EP0636576A1 Ultra-high purity nitrous oxide producing method and unit |
01/26/1995 | WO1995002709A2 EXTENDED NITRIDE MATERIAL COMPRISING β-C3N¿4? |
01/26/1995 | WO1995002446A1 Process for the purification of inert gases |
01/25/1995 | EP0635456A1 Process for supplying nitrogen by means of semi-permeable membranes or gasseparator by adsorption |
01/24/1995 | US5384291 Carbothermal synthesis precursors |
01/24/1995 | US5383957 Generators for nitrogen with membranes or conduits |
01/24/1995 | CA1334090C Oxidation of alkanes |
01/23/1995 | CA2128451A1 Process for the production of nitrogen through semipermeable membranes or adsorption gas separators |
01/19/1995 | WO1995001893A1 Depressed park windshield wiper mechanism |
01/18/1995 | EP0634359A1 Preparation of high alpha-type silicon nitride powder |
01/18/1995 | EP0487693B1 Dinitramide salts and method of making same |
01/18/1995 | EP0306515B1 Multi-stage process for reducing the concentration of pollutants in an effluent |
01/18/1995 | CN1097398A Method and apparatus for preparing nitrogen atmosphere by barrier separation for metallic heat treatment |
01/17/1995 | US5382554 High-packing silicon nitride powder and method for making |
01/17/1995 | US5382280 Two stage pressure swing adsorption process for producing the less strongly adsorbed component of a feed gas mixture |
01/17/1995 | US5382050 Gas generator for vehicle occupant restraint |
01/11/1995 | EP0633221A1 Thickened aqueous composition of sulfamic acid |
01/11/1995 | EP0313648B1 Process for nitrogen oxides reduction and minimization of the production of other pollutants |
01/10/1995 | CA2127628A1 Thickened aqueous sulfamic acid composition |
01/05/1995 | WO1995000234A1 Container for carbon molecular-sieve material |
01/05/1995 | DE4321019A1 Purification of nitrogen trifluoride |
01/04/1995 | EP0603382A4 Process for making high purity hydroxylammonium nitrate. |
01/03/1995 | US5378666 From silica, carbon and nitrogen |
01/03/1995 | US5378263 High purity membrane nitrogen |
01/03/1995 | CA1333746C Process for producing amorphous boron nitride of high hardness |
12/27/1994 | US5376349 Nitriding tantalum/v/ hydrated oxide with dry ammonia |
12/22/1994 | WO1994025396A3 Process for synthesis of aluminum powder with low oxigen content |
12/15/1994 | DE4337336C1 Finely divided metal, alloy and metal compound powders |
12/14/1994 | EP0628514A1 Preparation of high alpha-type silicon nitride powder |
12/14/1994 | EP0628096A1 Inert gas purifying system |
12/14/1994 | EP0628048A1 Metallo-organic precursors |
12/14/1994 | CN1096283A Process for the preparation of powder for ceramics made of metal and/or metalloid nitride and/or carbide by flash... |