| Patents for C01B 21 - Nitrogen; Compounds thereof (10,781) |
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| 03/02/2000 | DE19838718A1 Production of phosphorus nitride sulfide used as flame retardant for plastics comprises reacting liquid phosphorus sulfide with ammonia |
| 03/02/2000 | DE19838717A1 Production of phosphorus nitride sulfide used as flame retardant for plastics comprises reacting vaporous phosphorus sulfide with ammonia |
| 03/02/2000 | DE19812509C2 Katalysator zur Gewinnung von Stickstoffmonoxid und Verfahren zu seiner Herstellung A catalyst for obtaining nitrogen monoxide and process for its preparation |
| 03/01/2000 | EP0982391A1 Aluminium nitride powder and thermally conductive grease composition using the same |
| 03/01/2000 | EP0981405A1 Method of preparation of sealed gas chambers |
| 03/01/2000 | CN1246102A Carbonitride powder, method for producing same, and use thereof |
| 02/29/2000 | US6030594 Catalyst |
| 02/29/2000 | CA2180597C Adsorptive separation of nitrogen from other gases |
| 02/24/2000 | WO1999061371A8 New class of diamond-based materials and techniques for their synthesis |
| 02/23/2000 | CN1245447A Ammonia oxidation catalyst comprising aluminium oxide, bismuth oxide and manganese oxide |
| 02/22/2000 | US6027986 Mixing together powders comprising a metallic getter element, a getter alloy and a solid organic compound which evaporates without residue at high temperature, compression, sintering to form high strength shape |
| 02/22/2000 | CA2167640C Process for the purification of inert gases recycled from reactors for solid state polycondensation of polyester resins |
| 02/17/2000 | WO2000008400A1 Installation producing low voltage electricity integrated in a unit separating gas from air |
| 02/17/2000 | CA2339494A1 Installation producing low voltage electricity integrated in a unit separating gas from air |
| 02/16/2000 | EP0979209A1 Stabilized hydroxylamine solutions |
| 02/15/2000 | US6025034 Producing a nanostructure coating, structure, binders and spray coating |
| 02/15/2000 | US6025021 Multilayer coating of a nitride-containing compound and method for producing it |
| 02/10/2000 | WO2000006290A1 Method for oxidising a reactant gas using a ceramic electrochemical reactor |
| 02/03/2000 | WO2000005017A1 Method and apparatus for producing material vapour |
| 02/02/2000 | EP0946414A4 Microwave plasma chemical synthesis of ultrafine powders |
| 02/02/2000 | EP0946411A4 Method for the synthesis of group iii nitride crystals |
| 01/27/2000 | WO2000003799A1 Nitrogen adsorbent and use thereof |
| 01/26/2000 | EP0797539B1 Germanium and cadmium oxinitrides, their preparation, and their applications as gas collectors and catalysts |
| 01/26/2000 | CN1242339A Process for prepn. of hydrazine hydrate |
| 01/20/2000 | WO2000003399A1 Primary target for forming fission products |
| 01/19/2000 | EP0972557A1 Apparatus for supllying a purified gas used for purging an installation |
| 01/19/2000 | EP0971854A1 Novel materials useful as electrolytic solutes |
| 01/13/2000 | WO2000001654A1 Method of producing an aliphatic diacid and nitrous oxide |
| 01/13/2000 | CA2336461A1 Method of producing an aliphatic diacid and nitrous oxide |
| 01/12/2000 | CN1241165A Process for preparing hydroxylammonium salts |
| 01/11/2000 | USRE36492 Method for producing cubic boron nitride |
| 01/11/2000 | CA2098774C Chemical reaction |
| 01/05/2000 | CN1240371A Ammonia oxidation catalyst |
| 01/04/2000 | US6010605 Nitrogen trifluoride production apparatus |
| 01/04/2000 | CA2162346C Pressure swing adsorption process |
| 12/29/1999 | WO1999067511A1 Exhaust emission control device of internal combustion engine |
| 12/29/1999 | CN1047757C Depressed park windshield wiper mechanism |
| 12/28/1999 | US6007789 Heating the silicon-containing material in a first atmosphere containing hydrogen, then nitriding at higher temperature in second atmosphere containing nitrogen |
| 12/22/1999 | EP0964840A1 Novel carbodiimide polymers as precursors for c/n and b/c/n materials |
| 12/22/1999 | CN2354923Y Nitrogen plants with isolating sleeve style pressure varying adsorption carbon molecular sieves |
| 12/22/1999 | CN1239132A Density stabilized phase change material |
| 12/16/1999 | WO1999064352A1 Catalytic process for the oxidation of ammonia and catalyst assembly |
| 12/16/1999 | WO1999064139A1 Method for reducing nitrous oxide in gases and corresponding catalysts |
| 12/16/1999 | CA2299562A1 Method for reducing nitrous oxide in gases and corresponding catalysts |
| 12/15/1999 | EP0963359A1 Method for making submicrometer transition metal carbonitrides |
| 12/15/1999 | CN1238304A Process for preparing nm-class boron nitride tube |
| 12/14/1999 | US6002059 Process for upgrading natural gas |
| 12/08/1999 | EP0962513A1 Density stabilized phase change material |
| 12/08/1999 | CN1047146C Process for removal of impurity contained in composite gas |
| 12/07/1999 | US5998523 Controlling particle size |
| 12/07/1999 | US5997841 Zincoaluminosilicates of the FAU structure |
| 12/07/1999 | CA2130589C Method for decomposing n2o utilizing catalysts comprising calcined anionic clay minerals |
| 12/02/1999 | WO1999062132A1 Transition metal based ceramic material and electrodes fabricated therefrom |
| 12/02/1999 | WO1999061371A2 New class of diamond-based materials and techniques for their synthesis |
| 12/02/1999 | DE19823748A1 Nitric oxide for medical applications generated by passage of gas mixture |
| 12/02/1999 | CA2273406A1 Density stabilized phase change material |
| 12/01/1999 | EP0859659B1 Method of removing nitrogen oxides from a gas flow |
| 11/30/1999 | US5993773 Having a sio2 /al2o3 molar ratio of 1.9 to 2.1 and a water adsorption of 35.0% by weight or more when converted to the na type, and comprising particles having smaller primary particle size and particles having larger primary particle size |
| 11/30/1999 | US5993760 Bulk nitrogen purification process that requires no hydrogen in the regeneration |
| 11/24/1999 | EP0959040A1 Method for producing nitrogen trifluoride by gas-solid reaction |
| 11/24/1999 | EP0958239A1 Method for manufacturing hydroxylamine |
| 11/23/1999 | US5990026 Method of producing a surface modified sialon composite |
| 11/23/1999 | US5987917 Precompression, cooling, purifying, heating, separation |
| 11/18/1999 | WO1999058498A1 Hydrazinium nitroformate |
| 11/18/1999 | WO1999058446A1 Method for preparing hydrazine hydrate |
| 11/18/1999 | WO1999058445A1 Method for preparing hydrazine hydrate |
| 11/18/1999 | CA2331304A1 Hydrazinium nitroformate |
| 11/18/1999 | CA2331060A1 Method for preparing hydrazine hydrate |
| 11/18/1999 | CA2331058A1 Method for preparing hydrazine hydrate |
| 11/16/1999 | US5986318 (Ge,Si) Nx anti-reflective compositions and integrated circuit devices comprising the same |
| 11/16/1999 | US5986134 Catalytic reaction of ammonia, hydrogen peroxide and ethyl methyl ketone, separation and distillation |
| 11/16/1999 | US5985230 Supplemental dual injection of water and oxygen to ammonia provides increased production while permitting safe and efficient operation. |
| 11/16/1999 | US5985007 Noble gas purifier with single purifier vessel and recuperative heat exchanger |
| 11/16/1999 | US5983667 Cryogenic system for producing ultra-high purity nitrogen |
| 11/16/1999 | CA2193949C Carbon adsorbent, manufacturing method therefor,gas seperation method and device therefor |
| 11/16/1999 | CA2071600C Continuous process for preparing aluminium nitride by carbonitriding alumina |
| 11/10/1999 | CN1234840A Hollow microfiber and process for preparing same |
| 11/10/1999 | CN1234367A Process for recovering, separating and purifying NO gas |
| 11/09/1999 | US5981094 Low compressibility carbon nitrides |
| 11/09/1999 | US5980850 Recoverying hydrofluoric acid, hydrochloric acid, nitric acid, or a mixture of these acids from waste pickling liquor by pre-concentrating, heat exchanging, pyrohydrolysis, separating from the metals and absorption, condensation |
| 11/09/1999 | US5980842 Separation of calcium from metal compounds |
| 11/09/1999 | CA2195908C Process for nitrogen trifluoride synthesis |
| 11/04/1999 | WO1999055621A1 Method for the catalytic decomposition of n2o |
| 11/04/1999 | WO1999055620A1 Reactive matrix for removing moisture from a fluorine containing gas and process |
| 11/03/1999 | EP0952969A1 Textile preforms sheathed in a boron nitride coating, composites incorporating them and their preparation |
| 11/03/1999 | EP0952883A1 High frequency pressure swing adsorption |
| 11/03/1999 | CN1233528A Multi-functional catalyst, prepn. method and use thereof |
| 11/02/1999 | US5976483 Method of preparing dinitramidic acid and salts thereof |
| 10/28/1999 | DE19819882A1 Reactor for catalytically oxidizing ammonia to nitrogen oxides |
| 10/27/1999 | EP0952109A2 Process for the evaporation of a hydrazine hydrate solution |
| 10/27/1999 | EP0440604B2 Devices and method for cleaning gases |
| 10/27/1999 | CN1233195A Barrier discharge conversion of SO2 and NOx to acids |
| 10/26/1999 | US5972834 Forming a molecular sieving carbon obtained by successively conducting a halogenation treatment, a dehalogenation treatment, and a pore adjustment on a carbonized charcoal; adsorbing carbon dioxide and methane |
| 10/21/1999 | WO1999042434A3 Method for producing aqueous hydroxylamine solutions which are substantially free of metal ions |
| 10/21/1999 | DE19816708A1 Method for reconditioning of inorganic acids contaminated with metals |
| 10/20/1999 | EP0950018A1 Process for preparing hydroxylammonium salts |
| 10/19/1999 | US5968468 Gases and the ensurance of extremely low levels of hydrogen |
| 10/13/1999 | EP0948404A1 Ammonia oxidation catalyst comprising aluminium oxide, bismuth oxide and manganese oxide |
| 10/12/1999 | US5965264 Powders providing controlled sustained release of a gas |
| 10/12/1999 | CA2183511C Air separation method and apparatus for producing nitrogen |