| Patents for C01B 21 - Nitrogen; Compounds thereof (10,781) |
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| 05/22/2001 | US6235252 Method for recovering nitrate ions as nitric acid from nuclear industry effluents |
| 05/22/2001 | US6235162 Fractional distillation, flashover distillation |
| 05/22/2001 | US6235103 Tantalum (V) nitride pigments, process for the production thereof and use thereof |
| 05/22/2001 | US6235087 Device for supplying a purified gas to a plant purged using this purified gas |
| 05/22/2001 | US6234679 Rolling bearing with coated element |
| 05/17/2001 | WO2001034530A1 Germanium silicon oxynitride high index films for planar waveguides |
| 05/17/2001 | CA2391202A1 Germanium silicon oxynitride high index films for planar waveguides |
| 05/16/2001 | EP1098845A2 New class of diamond-based materials and techniques for their synthesis |
| 05/15/2001 | US6231824 Removal of nitric oxide from gas streams |
| 05/10/2001 | US20010000889 Processes for electrically activated transformation of chemical and material compositions |
| 05/10/2001 | DE10002394C1 Verfahren und Vorrichtung zur Herstellung von aus im wesentlichen sphärischen Partikeln gebildeten Pulvern Method and apparatus for production of substantially spherical particles formed from powders |
| 05/10/2001 | DE10001968A1 Production of a powder used in the manufacture of electrical contacts comprises pulverizing a stream of molten metal using a pulverizing gas |
| 05/09/2001 | EP1098014A1 Substrate with chrome nitride layer |
| 05/09/2001 | CN1065451C Zeolite, its prepn. process, and process for separation of nitrogen from other gases |
| 05/08/2001 | US6228904 Nanostructured fillers and carriers |
| 05/08/2001 | CA2073642C Substoichiometric zirconium nitride coating |
| 05/03/2001 | DE19952549A1 Substrat mit einer Chrom-Nitrid-Schicht Substrate with a chromium nitride layer |
| 05/02/2001 | EP1095691A2 Method and apparatus for producing carbon dioxide |
| 05/02/2001 | EP1095417A1 Transition metal based ceramic material and electrodes fabricated therefrom |
| 05/02/2001 | EP1095378A1 Primary target for forming fission products |
| 05/01/2001 | US6224696 Reaction dinitrogen monofluoride cation with ammonia; salt formation; explosives, propulsion; ionization |
| 05/01/2001 | CA1341225C Process for preparing metal nitride powder |
| 04/26/2001 | WO2001028940A1 Method and device for producing powders that consist of substantially spherical particles |
| 04/26/2001 | CA2324398A1 Method and apparatus for producing carbon dioxide |
| 04/25/2001 | CN1292767A Synthesis method for powder ceramic complexes of refractory metals |
| 04/24/2001 | US6222071 Synthesis method for solution with high grade chloramine |
| 04/24/2001 | US6221328 Catalytic reduction of nitrate ions in an acid medium in the presence of a palladium and/or platinum catalyst on a carrier in which at least 0.00025 mmol halogen ions are present per m.sup.2 of palladium and/or platinum area. |
| 04/19/2001 | WO2001026853A2 Production of a powder from molten metal by pulverization with a reactive gas |
| 04/19/2001 | DE19952337A1 Production of alkali-free amorphous silicon precursors used in production of ceramic materials comprises preparing alkali or alkaline earth oxysilicates and reacting them with an ammonium salt, washing and drying |
| 04/18/2001 | CN1291962A Method for producing hydroxylammonium salts |
| 04/11/2001 | EP0843647B1 Method of preparing dinitramidic acid and salts thereof |
| 04/10/2001 | US6214195 Using catalyst; exposure to electromagnetic waves |
| 04/10/2001 | US6214173 On-site manufacture of ultra-high-purity nitric acid |
| 04/05/2001 | WO2001023327A1 Gas generator and method for the generation of low-temperature gas |
| 04/05/2001 | WO2001023304A1 Basic metal nitrate, method for producing the same and gas-generating agent composition |
| 04/05/2001 | WO2000022204A9 Simulated diamond gemstones formed of aluminum nitride and aluminum nitride:silicon carbide alloys |
| 04/04/2001 | EP1070722A9 Silica with polyazacycloalkane units containing more than six nitrogen atoms, process for their preparation and use |
| 04/04/2001 | CN1289718A Free-particles loosening agent for ammonium nitrate |
| 04/04/2001 | CN1064024C Method and apparatus for production of high-purity ultrafine silicon nitride |
| 04/03/2001 | CA2196589C Titanium nitride doped with boron, substrate coating based on this new compound, with good hardness conferring very good resistance to wear, and parts bearing such a coating |
| 03/28/2001 | EP1086045A1 Method for preparing hydrazine hydrate |
| 03/28/2001 | EP1086044A1 Method for preparing hydrazine hydrate |
| 03/27/2001 | US6207844 Thin films |
| 03/27/2001 | US6207304 Substrate with ammonia-free silicon oxynitride passivation film |
| 03/22/2001 | WO2001020953A1 Method and apparatus for producing bulk quantities of nano-sized materials by electrothermal gun synthesis |
| 03/22/2001 | WO2001019341A1 Method for modulating the metabolism of nitrogen oxides, compositions therefor (and variants) and method for acting on a patient's organism necessitating the metabolism of nitrogen oxides to be corrected |
| 03/22/2001 | CA2386525A1 Method for modulating the metabolism of nitrogen oxides, compositions therefor (and variants) and method for acting on a patient's organism necessitating the metabolism of nitrogen oxides to be corrected |
| 03/22/2001 | CA2382107A1 Method and apparatus for producing bulk quantities of nano-sized materials by electrothermal gun synthesis |
| 03/21/2001 | CN1063433C Synthetic process for ketazine and synthetic process for hydrazine hydrate |
| 03/20/2001 | US6203596 Catalytic oxidation |
| 03/15/2001 | WO2001018276A1 High melting point metal based alloy material having high toughness and strength |
| 03/15/2001 | CA2373346A1 High melting point metal based alloy material having high toughness and strength |
| 03/14/2001 | CN2423271Y Water separator for calcium nitrite |
| 03/07/2001 | EP1080767A2 Method of processing an acid solution comprising salt and installation for carrying out the method |
| 03/07/2001 | CN1286138A Adsorbent for adsorbing nitrogen preferentially from other gas |
| 03/07/2001 | CN1286137A Adsorbent for adsorbing nitrogen preferentially from other gas |
| 03/07/2001 | CN1286133A Fluid separating method and system |
| 03/07/2001 | CN1062885C Coloured pigments based on oxide-nitrides, preparation and use thereof |
| 03/06/2001 | US6197683 Method of forming metal nitride film by chemical vapor deposition and method of forming metal contact of semiconductor device using the same |
| 03/06/2001 | US6197272 Condensing a group vb or vib oxide with a di- or polyol compound and subsequent pyrolysis in an inert atmosphere to form fine carbide powder; simplification |
| 03/01/2001 | DE19940573A1 Verfahren zur Aufarbeitung einer salzhaltigen Säurelösung und Anlage zur Durchführung des Verfahrens A process for working a salt-containing acid solution, and plant for carrying out the method |
| 02/28/2001 | EP1078686A2 Novel adsorbents for preferential nitrogen adsorption from other gases |
| 02/28/2001 | EP1078685A2 Novel adsorbents for preferential nitrogen adsorption from other gases |
| 02/28/2001 | EP1078675A2 Fluid separation process and separation system therefor |
| 02/28/2001 | EP1077934A1 Hydrazinium nitroformate |
| 02/27/2001 | US6194067 Carbonaceous particles and carbonaceous fibers both coated with boron nitride, and lithium secondary cells produced by using the same as negative active material |
| 02/27/2001 | CA2317061A1 Fluid separation process and separation system therefor |
| 02/25/2001 | CA2316678A1 Novel adsorbents for preferential nitrogen adsorption from other gases |
| 02/25/2001 | CA2316664A1 Novel adsorbents for preferential nitrogen adsorption from other gases |
| 02/21/2001 | EP1076634A1 Method for the catalytic decomposition of n 2?o |
| 02/21/2001 | EP1076633A1 Reactive matrix for removing moisture from a fluorine containing gas and process |
| 02/20/2001 | US6190802 Utility as a cathode material for rechargeable lithium batteries. |
| 02/15/2001 | WO2001011094A1 Recovery of precious metal |
| 02/15/2001 | WO2001010792A1 Processing of ceramic materials |
| 02/15/2001 | WO2001010777A1 Method for preparing highly stabilised hydroxylamine solutions |
| 02/15/2001 | WO2001010548A1 Rejuvenable ambient temperature purifier |
| 02/15/2001 | CA2380826A1 Method for preparing highly stabilised hydroxylamine solutions |
| 02/14/2001 | EP1076217A2 Nitrous oxide purification system and process. |
| 02/14/2001 | CN1283583A Process for preparing semi-finished nitrate from nitrate-type bittern |
| 02/08/2001 | DE19936841A1 Verfahren zur Herstellung von Stickstoffdioxid aus Stickstoffmonoxid A process for producing nitrogen dioxide from nitrogen monoxide |
| 02/08/2001 | DE19936594A1 Verfahren zur Herstellung von hochreinen stabilisierten Hydroxylaminlösungen A process for producing high-purity stabilized hydroxylamine |
| 02/07/2001 | EP1074785A1 Storage vessel for gaseous fluids |
| 02/07/2001 | EP1074511A2 Process for the preparation of nitrogen dioxide from nitrogen monoxide |
| 02/07/2001 | CN1283142A Sm-Fe-N alloy powder and process for the production thereof |
| 02/06/2001 | US6183713 Method for producing nitrogen trifluoride by gas-solid reaction |
| 02/06/2001 | US6183709 Process for separation of oxygen from an oxygen containing gas using oxygen selective sorbents |
| 02/01/2001 | WO2001007362A1 Method for filtering an aqueous reaction mixture that results from the production of hydroxylamine |
| 02/01/2001 | DE19935034A1 Verfahren zur Filtration eines wässrigen bei der Herstellung von Hydroxylamin anfallenden Reaktionsgemisches A process for filtering an aqueous hydroxylamine in the production of the reaction mixture obtained |
| 01/31/2001 | CN1281849A Method for preventing hydroxylamine from decomposing in inorganic solution for preparing caprolactam by using hydroxylamine phosphate oximation method |
| 01/30/2001 | US6179937 Stabilizers for hydroxylammonium nitrate, hydroxylammonium nitrate derivatives, hydroxylamine and compositions containing the same |
| 01/30/2001 | US6179900 Process for the separation/recovery of gases |
| 01/24/2001 | EP1070722A1 Silica with polyazacycloalkane units containing more than six nitrogen atoms, process for their preparation and use |
| 01/24/2001 | CN1280955A Gas-phase synthesis process of superfine silicon nitride powder |
| 01/23/2001 | US6177057 Process for preparing bulk cubic gallium nitride |
| 01/23/2001 | US6176897 High frequency pressure swing adsorption |
| 01/18/2001 | WO2001003812A1 Gas purification system with an integrated hydrogen sorption and filter assembly |
| 01/16/2001 | US6173663 Carbon dioxide remediation via oxygen-enriched combustion using dense ceramic membranes |
| 01/16/2001 | CA2078322C Process for the treatment of an aqueous solution containing mainly nitric and hydrofluoric acid |
| 01/10/2001 | EP1066818A1 Inorganic composite powder and cosmetic comprising the same |
| 01/10/2001 | CN1279627A Thermally powered oxygen/nitrogen plant incorporating an oxygen selective ion transport membrane |