| Patents for C01B 13 - Oxygen; Ozone; Oxides or hydroxides in general (14,838) |
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| 03/27/1990 | US4912078 Mixing magnesium and aluminum hydroxide; autoclaving; compression; sintering |
| 03/22/1990 | WO1990002599A1 Process for recovering nitrogen from gaseous mixtures containing oxygen and nitrogen by alternating pressure adsorption on carbon molecular sieves |
| 03/21/1990 | EP0359175A1 Method for gas sepration using helically wound hollow fibers permeable membrane cartridge |
| 03/21/1990 | EP0358974A2 Process for forming thin film of superconductive compound metal oxide |
| 03/21/1990 | EP0358912A1 Catalyst consisting of a system of metallic layers for eliminating hydrogen from gaseous mixtures |
| 03/21/1990 | EP0295269B1 Layered metal oxides containing interlayer oxides and their synthesis |
| 03/20/1990 | US4909996 Ozone generator |
| 03/20/1990 | CA1266844A1 Process for hydrotreating residual petroleum oil |
| 03/14/1990 | EP0358110A2 Process and apparatus for treating, especially separating gas mixtures |
| 03/14/1990 | EP0357911A1 Ozoniser |
| 03/13/1990 | US4908338 Forming emulsion of solution of precursor of cadmium zinc borate, niobium pentoxide, manganese oxide, bismuth oxide, and surfactant, drying, introducing into ceramic capacitor material |
| 03/13/1990 | US4908189 Concentric tube ozonator |
| 03/08/1990 | WO1990002215A1 Preparation of superconductive ceramic oxides using ozone |
| 03/07/1990 | EP0356861A2 Separation of gas mixtures by vacuum swing adsorption (VSA) in a two-adsorber-system |
| 03/06/1990 | US4906609 Fabrication of superconducting oxide wires by powder-in-tube method |
| 03/06/1990 | US4906419 Process for the production of oxide-ceramic materials |
| 03/01/1990 | DE3934808A1 Carbon recovery from flue gas - comprises using complex of furnace and reactive carbon di:oxide decomposition vessel energised by DC potential |
| 02/28/1990 | EP0355252A2 Manufacturing method for ceramics and products thereof |
| 02/27/1990 | US4903479 Radiation augmented energy storage system |
| 02/22/1990 | DE3904420A1 Steriliser |
| 02/14/1990 | EP0354259A1 Improved pressure swing adsorption process |
| 02/14/1990 | CN1039573A Shaped mixed oxide products |
| 02/14/1990 | CN1006801B Mixed metal layered hydroxide-clay adducts as thinckeners for water and other hydrophylic fluids |
| 02/13/1990 | US4900536 Preparation of precursors for yttrium-containing ceramic superconductors |
| 02/13/1990 | US4900481 Ozonic bubble water generator |
| 01/30/1990 | US4897378 Preparation of thin film superconducting oxides |
| 01/30/1990 | CA1264926A1 Mixed metal layered hydroxide-clay adducts as thickeners for water and other hydrophylic fluids |
| 01/24/1990 | EP0352201A2 Conductive articles made from mixed metal oxides, and processes for their preparation |
| 01/24/1990 | EP0351432A1 Ozone generator |
| 01/17/1990 | EP0350905A1 Improved concentric tube ozonator |
| 01/17/1990 | EP0350728A2 Shaped mixed oxide products |
| 01/16/1990 | US4894357 Process for adjusting the structural and/or surface character of oxides |
| 01/16/1990 | US4894068 Process for capturing nitrogen from air using gas separation membranes |
| 01/11/1990 | EP0343233A4 Supercritical fluid reverse micelle separation. |
| 01/10/1990 | EP0350373A1 Process for treating a gas mixture by adsorption |
| 01/10/1990 | EP0350344A1 Layered intercalated metal oxides, and process for their preparation |
| 01/10/1990 | EP0349910A2 Process for manufacturing oxide containing high-temperature superconductor thin films |
| 01/09/1990 | US4892713 Ozone generator |
| 01/03/1990 | CN2050419U Small-sized ozone generator |
| 01/02/1990 | US4891189 High flow chemical oxygen generator assembly |
| 12/28/1989 | WO1989012704A1 Process and apparatus for the production of fuel gas and the enhanced release of thermal energy from such gas |
| 12/27/1989 | EP0348384A2 Process and apparatus for producing metal oxides |
| 12/26/1989 | US4889665 Process for producing ultrafine particles of ceramics |
| 12/20/1989 | EP0346566A2 Oxygen enriching apparatus |
| 12/19/1989 | US4888032 Salts of cationic-metal dry cave complexes |
| 12/14/1989 | WO1989012119A1 Methods, compositions, and systems for ligand extraction |
| 12/14/1989 | WO1989012028A1 Oxide superconductive material and process for its production |
| 12/14/1989 | WO1989012027A1 Metal oxide ceramic powders and thin films and methods of making same |
| 12/14/1989 | WO1989012021A1 Device for producing ozone |
| 12/14/1989 | WO1989011909A1 Ozone generator |
| 12/14/1989 | WO1989011908A1 Ozone generator |
| 12/14/1989 | DE3818326A1 Method to increase the reaction velocity in chemical reactions |
| 12/13/1989 | EP0345441A2 High-Tc superconductor-gallate crystal structures |
| 12/13/1989 | EP0240529B1 Compositions of particulate magnetic oxides with a structure of the lacunar spinel type, preparation and application thereof |
| 12/12/1989 | US4886645 Ozone generator |
| 12/06/1989 | EP0344917A1 Apparatus for the separation of gas mixtures |
| 12/05/1989 | US4885142 Apparatus in the form of a disk for the separation of oxygen from other gases and/or for the pumping of oxygen and the method of removing the oxygen |
| 11/30/1989 | WO1989011458A1 Method of forming crystallite-oriented superconducting ceramics by electrodeposition and thin film superconducting ceramic made thereby |
| 11/29/1989 | EP0343233A1 Supercritical fluid reverse micelle separation. |
| 11/29/1989 | CN2048471U Portable ac/dc automatic ozone generator |
| 11/23/1989 | EP0342877A2 Improvement in pressure swing in adsorption process for gas separation |
| 11/23/1989 | EP0342218A1 Metallic oxide powders, their mixtures, systems of mixed metallic oxide powders, their mixtures and their use for catalytic dehydration of hydrocarbons |
| 11/21/1989 | US4882225 Polysiloxane or silicon coating |
| 11/21/1989 | US4882143 To protect from ultraviolet radiation |
| 11/21/1989 | US4882133 Coating sol, shrinkage, scraping |
| 11/21/1989 | US4882129 Ozone generator cell |
| 11/21/1989 | US4881955 Maintaining permeate gas flow countercurrent to feed and raffinate flows; using fibers of uniform length |
| 11/15/1989 | EP0342110A1 Macrocylic amine complexes for ligand extraction and generation |
| 11/15/1989 | EP0341520A1 Process for the production of a layer of metal oxide supraconductor material by laser evaporation |
| 11/15/1989 | EP0341312A1 Paste for forming superconductive ceramic film |
| 11/15/1989 | EP0341274A1 Process for the preparation of metal oxide powders. |
| 11/15/1989 | EP0341266A1 Superconductivity in square-planar compound systems. |
| 11/14/1989 | US4880772 Preparation of thin ceramic films via an aqueous solution route |
| 11/14/1989 | US4880765 Process for producing carbon molecular sieves |
| 11/14/1989 | US4880758 Preparation of ABO3 compounds from mixed metal aromatic coordination complexes |
| 11/08/1989 | EP0340262A1 Semi-permeable membranes with an internal discriminating region |
| 11/07/1989 | US4879140 Method for making pigment flakes |
| 11/02/1989 | WO1989010336A1 Superconducting ceramics by electrodeposition |
| 11/01/1989 | CN1036857A Method of manufacturing for superconductive material and product produced by method |
| 10/31/1989 | US4877768 Processes for the preparation of copper oxide superconductors |
| 10/31/1989 | US4877743 Monitoring reaction of nitrous oxide to form nitrogen |
| 10/31/1989 | US4877588 Alternating corona and cooling regions allow ozone to form without being thermally decomposed |
| 10/24/1989 | US4875908 Separation with permselective membrane |
| 10/18/1989 | EP0337076A1 Cyclic separation of oxygen from air using molten salts |
| 10/18/1989 | CN1005458B Enhanced pressure swing adsorption processing |
| 10/11/1989 | EP0336787A1 Process for the production of superconductive materials, and products so obtained |
| 10/11/1989 | EP0335934A1 Process for producing pulverulent mixed phases with a catalytic action |
| 10/05/1989 | WO1989009068A1 Process and appliance for disinfecting and/or deodorizing the interior space of a microwave oven and for sterilizing objects contained therein |
| 10/04/1989 | EP0335310A2 Formation of superconducting metal oxide film by pyrolysis |
| 10/04/1989 | CN1035993A Process for recovering oxygen enriched gas |
| 10/03/1989 | US4871709 Ozone cracking catalyst |
| 10/03/1989 | US4871379 Modular, shell-less, air permeator |
| 09/27/1989 | EP0334495A2 Process for recovering oxygen enriched gas |
| 09/27/1989 | EP0334374A2 Process of forming a superconductive wiring strip in low temperature ambient |
| 09/27/1989 | EP0334352A2 Superconductive Strip containing internal stressabsorber |
| 09/27/1989 | CN1035807A Method and apparatus for oxygen extraction |
| 09/26/1989 | US4869881 Ozone generator system |
| 09/26/1989 | CA1261592A1 Process and apparatus for producing gaseous products through decomposition of liquids |
| 09/26/1989 | CA1261589A1 Predetermined and enhanced densification in sintered metal oxides |
| 09/21/1989 | WO1989008693A1 Viscosity-modifiers for aqueous-based functional products |