| Patents for C01B 21 - Nitrogen; Compounds thereof (10,781) |
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| 11/28/1995 | US5470446 Reaction of plasma of ammonia and silicon halide with electricity for silicon nitiride |
| 11/28/1995 | CA2021175C Chabazite for gas separation |
| 11/22/1995 | EP0682977A2 Improved polymeric membrane |
| 11/21/1995 | US5468697 Having a morphologically anisotropic structure |
| 11/21/1995 | CA2149806A1 Polymeric membrane |
| 11/21/1995 | CA1337605C Low pressure noncryogenic processing for ethylene recovery |
| 11/14/1995 | US5466310 Production of metal and metalloid nitrides |
| 11/14/1995 | US5466269 Polycrystalline cubic boron nitride abrasive particles and abrasive tools made therefrom |
| 11/14/1995 | US5465636 Depressed park windshield wiper mechanism |
| 11/13/1995 | CA2148893A1 Li-exchanged low silica emt-containing metallosilicates |
| 11/13/1995 | CA2148767A1 High micropore volume low silica emt-containing metallosilicates |
| 11/08/1995 | EP0680928A1 Process for the continuous preparation of nitrosyl chloride |
| 11/08/1995 | EP0680787A1 Catalytic networks for gas phase reactions |
| 11/07/1995 | US5464248 Alkali metal azide particles |
| 11/02/1995 | WO1995029124A1 Method and apparatus for producing nanostructured ceramic powders and whiskers |
| 11/02/1995 | EP0679108A1 Apparatus and use for the oxygen enrichment of air |
| 10/31/1995 | US5462306 Protective device such as inflatable air bags for automobiles; a housing consists of lithium azide and metal oxide or sulfide as an oxidant in sub-stoichiometric amount to produce lithium nitride and intert gas nitrogen is generated |
| 10/26/1995 | WO1995028366A1 Silicon nitride/silicon carbide composite powders, their preparation and densified materials prepared using the composite powders |
| 10/26/1995 | CA2187333A1 Silicon nitride/silicon carbide composite powders, their preparation and densified materials prepared using the composite powders |
| 10/25/1995 | CN2210888Y Medical air-separated gas generator |
| 10/24/1995 | US5460794 Method of manufacturing a powdery AlN |
| 10/18/1995 | EP0677023A1 Air purification process |
| 10/18/1995 | CN1110249A High effective desoxydation dehydrogenation catalyst and its preparation and application |
| 10/17/1995 | US5459113 Aluminum nitride powder capable of forming colored sintered body and process for preparing same |
| 10/11/1995 | EP0676380A1 Composite powders of silicon nitride and silicon carbide |
| 10/11/1995 | CN1029954C Sinterable ceramic powder and process of preparation thereof, silicon nitride ceramic obtained from ceramic powder and preparation thereof |
| 10/10/1995 | US5457265 With an iodine solution in presence of an iodide and a thiosulfate |
| 10/10/1995 | US5457220 Agitating a mixture of silanols, silanediols and silanetriols with a siloxane using a phosphonitrilic catalyst |
| 10/10/1995 | US5457173 Polymer precursors for aluminum nitride |
| 10/10/1995 | US5457151 Polymeric, thermosetting polysilazane, ceramic powder, silicon powder, and carbon powder |
| 10/10/1995 | US5456896 Nitriding silicon powder with nitrogen/hydrogen gases at 1200 to 1500 degree centigrate, midway the nitriding, interrupting the treatment, heating powder with inert gas at higher temperature to strip the film and resume nitriding |
| 10/10/1995 | US5456894 Metal phosphorus nitrogen polymers, metal phosphorus compounds and methods of preparation thereof |
| 10/10/1995 | US5456892 Absorption in a heteropoly compound; heating; reduction without using a reducing gas |
| 10/04/1995 | EP0674599A1 Metal nitride powders. |
| 10/03/1995 | US5454923 Inert gas purifying system |
| 09/28/1995 | WO1995026056A1 Ionic conducting material having good anticorrosive properties |
| 09/27/1995 | CN1109022A Synthesis of nm-sized magnesium nitride |
| 09/27/1995 | CN1029821C Improved air spration pressure swing adsorption process |
| 09/26/1995 | US5453407 Combustion synthesis |
| 09/20/1995 | EP0576540B1 Moving bed process for carbothermally synthesizing nonoxide ceramic powders |
| 09/20/1995 | CN1108613A Method for continously preparation aluminum nitride by carbonitriding of aluminum oxide with movable bed reactor |
| 09/20/1995 | CN1029779C Improed membrane nitrogen process and system |
| 09/13/1995 | EP0670823A1 Method of preparing hydrazine nitroform |
| 09/12/1995 | US5450434 Cutting with laser |
| 09/12/1995 | US5449424 Method of producing pyrotechnic masses |
| 09/06/1995 | EP0669896A1 PROCESS FOR REMOVING NOx/SOx OXIDES FROM GASES -------------- |
| 08/23/1995 | EP0668470A2 Methods of reducing NOx produced by burning of a fuel |
| 08/23/1995 | CN2205833Y Electrolytic tank for high-pureness nitrogen generator |
| 08/23/1995 | CN1107085A Finely-divided metal, alloy and metal compound powders |
| 08/22/1995 | US5444173 Catalytic bimetallic oxynitrides and nitrides |
| 08/22/1995 | US5443560 Chemical heat source comprising metal nitride, metal oxide and carbon |
| 08/19/1995 | CA2142551A1 Production of plasma generated no reducing precursors from a molecular nitrogen and hydrocarbon mixture |
| 08/17/1995 | DE4411774C1 Metal gauze catalyst for gas reaction, esp. ammonia oxidn. to nitric acid |
| 08/16/1995 | EP0667223A1 Apparatus for generating high pressure nitrogen |
| 08/16/1995 | EP0667183A1 Zeolites and their use in separation of gaseous mixtures |
| 08/16/1995 | EP0667178A1 VSA adsorption process with continuous operation |
| 08/15/1995 | US5441720 Useful as energetic oxidizers in explosives and propellants |
| 08/15/1995 | US5441719 Ultra-high purity nitrogen generating method |
| 08/15/1995 | US5441694 Preparation of high α-type silicon nitride powder |
| 08/15/1995 | US5441558 High purity nitrogen PSA utilizing controlled internal flows |
| 08/10/1995 | WO1995021123A1 Aluminophosphate-based catalysts, preparation method therefor and use thereof in condensation and dehydrogenation reactions |
| 08/09/1995 | EP0666241A1 Process for the preparation of hydroxylamine salts |
| 08/08/1995 | US5439660 Oxonitrides of the formula LnTaOn2 with enhanced brightness and a process for their production and use |
| 08/08/1995 | US5439507 Membrane gas generator in association with bulk storage for increased flexibility and productivity |
| 08/04/1995 | CA2140957A1 Method for production of pressurized carbon dioxide |
| 08/03/1995 | WO1995020541A1 Production of no from n2o |
| 08/02/1995 | EP0665302A2 Nitriding tantalum powder |
| 08/02/1995 | EP0609401B1 PROCESS FOR PREPARING HYDROXYLAMINE FROM NO x?-CONTAINING FLUE GASES |
| 08/02/1995 | EP0440604B1 Devices and method for cleaning gases |
| 08/01/1995 | US5437825 Pyrolysis of a block copolymer comprising an aluminumnitrogen polymer and a silazane polymer in a nonoxidizing atmosphere |
| 07/20/1995 | WO1995019317A1 Aluminium nitride based platelets, process for their preparation and use thereof |
| 07/20/1995 | WO1995019211A1 Recycling of wafer cleaning substances |
| 07/19/1995 | EP0663232A2 Ion transport membranes with dense layer containing a catalyst |
| 07/19/1995 | EP0663231A2 Ion transport membranes with porous mixed conducting layer containing a catalyst |
| 07/19/1995 | EP0663229A1 Method and apparatus for separating nitrogen-rich gas |
| 07/19/1995 | CN1105340A Continously preparation of aluminum nitride through carbonitriding |
| 07/18/1995 | US5433932 Process to recover azide values from azide-based gas generating materials |
| 07/12/1995 | EP0662595A1 Process and apparatus for the preparation of high purity liquid nitrogen |
| 07/12/1995 | EP0662526A1 A method for enhancing aluminum nitride |
| 07/11/1995 | US5431839 Sulfamic acid cleaning/stripping compositions comprising heteropolysaccharide thickening agents |
| 07/05/1995 | EP0661732A2 A method of forming silicon oxy-nitride films by plasma-enhanced chemical vapor deposition |
| 07/05/1995 | EP0660746A1 Process for the purification of inert gases. |
| 07/05/1995 | EP0523225B1 Process of removing nitrite from a silver nitrate solution |
| 07/04/1995 | US5429998 Hardness, oxidation resistance, thermoconductivity, adhesion |
| 07/04/1995 | US5429811 Process for the thermochemical decomposition of dinitrogen oxide |
| 07/04/1995 | US5429666 Vacuum swing adsorption to selectively separate components of a feed gas mixture |
| 07/04/1995 | US5429664 Pressure swing absorption with recycle of void space gas |
| 06/29/1995 | WO1995017533A1 Material of chemical compounds with a metal in group iv a of the periodic system, nitrogen and oxygen and process for producing it |
| 06/28/1995 | EP0659464A2 Production of nitrogen using membranes with temperature tracking |
| 06/28/1995 | CN1104125A Process for supplying nitrogen by means of semi-permeable membranes or of separators of gases by adsorption |
| 06/27/1995 | US5426944 Expanding electronic semiconductor grade chemical through an orifice in a condenser; withdrawing portion of vapor phase; concentrating impurities in liquid phase |
| 06/22/1995 | CA2138573A1 Membrane nitrogen with temperature tracking |
| 06/20/1995 | US5425801 Membrane nitrogen with temperature tracking |
| 06/14/1995 | DE4443956A1 Silicon nitride powder for ceramics prodn. has specified satn. adsorption of polyvinyl alcohol, enabling prodn. of low-viscosity conc. slurry for casting. |
| 06/06/1995 | US5421164 Air distillation, removal of carbon monoxide, carbon dioxide, water, and hydrogen |
| 06/06/1995 | US5421163 Separating air by cryogenic distillation to provide pure nitrogen, modifying residual gas by adding air or withdrawing gas, treating by adsorption to provide pure oxygen |
| 05/31/1995 | EP0655013A1 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures |
| 05/31/1995 | CN1103104A A process for the removal of impurities from hydrazine hydrate |
| 05/26/1995 | WO1995013891A1 Making quantum dot particles of uniform size |
| 05/26/1995 | WO1995013870A1 Catalytic bimetallic oxynitrides and nitrides |