| Patents for C01B 13 - Oxygen; Ozone; Oxides or hydroxides in general (14,838) |
|---|
| 08/13/1991 | CA1287472C Method for producing a flaky material |
| 08/08/1991 | WO1991011395A1 Oxidizing apparatus |
| 08/07/1991 | EP0439620A1 Method of producing pulverized perovskite compound |
| 08/06/1991 | US5037911 Addition polymerization using a catalyst which is activated by heating |
| 08/06/1991 | CA2035635A1 Solid oxide electrolyte electrochemical oxygen generator |
| 08/01/1991 | DE4102055A1 Internally and externally disinfecting endoscope - with oxidising gas entering conduits, formed to reduced pressure |
| 07/31/1991 | EP0439387A2 Binuclear metal macrocyclic and macrobicyclic complexes for oxygen separation and transport |
| 07/31/1991 | EP0438902A2 Electrochemical reactors and multicomponent membranes useful for oxidation reactions |
| 07/31/1991 | CN1053411A High-efficiency new-type ozone-generating device and manufacturing process thereof |
| 07/30/1991 | US5036044 R-Tl-Sr-Ca-Cu-O superconductors |
| 07/30/1991 | US5035876 Process for preparing a precursor of zirconium dioxide |
| 07/30/1991 | US5035727 Oxygen extraction from externally fired gas turbines |
| 07/30/1991 | US5035726 Process for removing oxygen from crude argon |
| 07/25/1991 | WO1991010620A1 Ceramic precursor mixture and technique for converting the same to ceramic |
| 07/24/1991 | EP0437996A1 Method for preparation of refractory metal oxides based on silica using sol-gel in aqueous medium |
| 07/24/1991 | CA2034742A1 Binuclear metal macrocyclic and macrobicyclic complexes for oxygen separation and transport |
| 07/23/1991 | US5034373 High energy milling of silver and alloys, compaction of silver for superconductors |
| 07/23/1991 | US5034198 Ozone generator and ozone generating method |
| 07/23/1991 | US5034023 Hermetic sealed channels separated by partitions, applying a voltage |
| 07/17/1991 | CN1013200B Alumina treated by silicon and/or fluorine |
| 07/16/1991 | US5032152 Modified molecular sieve |
| 07/11/1991 | WO1991009670A1 Composite diaphragm, process for producing it and its use |
| 07/09/1991 | US5030608 Process for the preparation of composite materials which contain small particles of metal or metal oxide in an oxide matrix and the composite materials prepared by the process |
| 07/02/1991 | CA1285356C Multilayer composite hollow fibers and method of making same |
| 06/27/1991 | DE3942868A1 Verbundmembran, verfahren zu ihrer herstellung und ihre verwendung The composite membrane, process for their preparation and their use |
| 06/27/1991 | DE3942867A1 Composite membrane for sepn. of gas mixts. - has porous backing, gas-permeable interlayer and perm-selective layer of amphiphilic mols. contg. 1 or 2 7-20C alkyl gps. per polar gp. |
| 06/27/1991 | DE3942844A1 Bleaching cellulose with pressurised high ozone concn. - formed from feed oxygen contg. less electro-negative gas |
| 06/26/1991 | EP0434480A1 Process of electrochemical treatment of oxide materials |
| 06/26/1991 | EP0434372A2 Process for forming superconductor precursor |
| 06/26/1991 | EP0433915A1 Method of forming metal oxide film by using metal alkoxide solution |
| 06/26/1991 | EP0433450A1 Method of obtaining complex oxides |
| 06/26/1991 | EP0433324A1 Process for recovering nitrogen from gaseous mixtures containing oxygen and nitrogen by alternating pressure adsorption on carbon molecular sieves. |
| 06/25/1991 | US5026527 Pressure release valve on receiving vessel controlled by means of signal from flow meter which measures flow rate of reaction products flowing from autoclave to receiver to maintain constant flow rate |
| 06/24/1991 | WO1991009669A1 Composite diaphragm, process for producing it and its use |
| 06/24/1991 | CA2072016A1 Composite diaphragm, process for producing it and its use |
| 06/23/1991 | CA2032879A1 Process for forming superconductor precursor |
| 06/19/1991 | CN2079047U Electronic sterilizing cupboard for tableware |
| 06/13/1991 | DE4039181A1 Fine metal oxide powder prodn. - by pptn. from soln. under turbulence produced by oxygen stream |
| 06/12/1991 | EP0431595A1 Oxide superconducting thin film |
| 06/12/1991 | EP0431404A2 Formation of titanium, magnesium and zirconium calcium oxides |
| 06/12/1991 | EP0431377A1 Process for the preparation of finely divided ceramic oxide powder from precursor compounds |
| 06/12/1991 | EP0431284A2 Process for the preparation of starting powders usable for the production of a varistor and starting powders obtained by this process |
| 06/12/1991 | CN2078743U Ozone tube |
| 06/11/1991 | US5023071 Emulsifying a mixture of water and non-polar organis solvent containing metal alkoxide; hydrolysis; precipitation |
| 06/11/1991 | US5023067 Aqueous slurry consisting of homogeneous dispersion of coprecipitated metal carbonates and quaternary ammonium salts |
| 06/05/1991 | WO1991008044A1 Vibratory ion vapor generator |
| 06/05/1991 | EP0430568A2 Method of making high Tc superconductor material, and article produced by the method |
| 06/05/1991 | EP0429638A1 Method of hydrolyzing metal halides |
| 06/05/1991 | EP0429536A1 Preparation of superconductive ceramic oxides using ozone |
| 06/05/1991 | EP0330697A4 Preparation of abo 3? compounds from mixed metal aromatic coordination complexes |
| 06/05/1991 | CN1012727B Silica-bound calcium-containing zeolite granulate |
| 06/05/1991 | CN1012725B Process for the manufacture of a powder of mixed metal oxides and mixed metal oxide powders |
| 06/03/1991 | CA2031330A1 Process for the preparation of finely divided ceramic oxide powders from precursor compounds |
| 05/29/1991 | EP0428512A1 Ozone generation by corona discharge at elevated pressures. |
| 05/29/1991 | CN2077863U Pocket type electronic sterilizer |
| 05/28/1991 | US5019263 Membrane composed of a pure molecular sieve |
| 05/22/1991 | EP0428389A2 Process for producing metal hydroxide sol |
| 05/22/1991 | EP0428031A1 Dental apparatus |
| 05/21/1991 | US5017548 Method of producing high-temperature superconducting ceramics material by mechanical orientation |
| 05/21/1991 | US5017274 Method and systems for extracting oxygen employing electrocatalysts |
| 05/16/1991 | WO1991006691A1 Solid state oxygen compressor |
| 05/15/1991 | EP0427620A1 Process for the separation of a gas from a gas mixture using metal complexes of cyclic polynitrogenated derivatives |
| 05/15/1991 | CN2076864U Portable oxygen generator |
| 05/15/1991 | CN1051341A Ceramic powders |
| 05/14/1991 | US5015621 Sedimentation method for forming Bi-containing superconducting films |
| 05/14/1991 | US5015409 For cleansers, corrosive products household products or personal care products |
| 05/14/1991 | US5015360 Catalytic hydrocracking with chromium, tungsten, iron cobalt and nickel on silicates or silica |
| 05/14/1991 | US5015271 Separation of gas mixtures by vacuum swing adsorption (VSA) in a two-adsorber system |
| 05/10/1991 | WO1991007244A1 Spray conversion process for the production of nanophase composite powders |
| 05/10/1991 | CA2045125A1 Spray conversion process for the production of nanophase composite powders |
| 05/10/1991 | CA2029455A1 Process for the separation of a gas from a gas mixture using metal complexes of cyclic polynitrogenated derivatives |
| 05/08/1991 | EP0425668A1 Method and reactor for obtaining powdered refractory material |
| 05/07/1991 | US5013706 Chromium oxide, titanium oxide, vanadium oxide, selectivity to mono-olefins |
| 05/07/1991 | US5013532 Method for recycling electric arc furnace dust |
| 04/30/1991 | US5011822 Preparation of a uniform mixed metal oxide and superconductive oxides |
| 04/30/1991 | US5011819 Process using supercritical conditions for producing highly accurate and homogeneous powder mixture useful in fabrication of high quality ceramic superconductors |
| 04/30/1991 | CA1283647C Layered silicates and their synthesis |
| 04/30/1991 | CA1283646C Layered metal oxides containing interlayer oxides and their synthesis |
| 04/24/1991 | EP0308409B1 Process for producing carbon molecular sieves |
| 04/24/1991 | CN1012419B Integrated pressure swing adsorption / membrane separation |
| 04/23/1991 | US5009858 Device for generating ozone |
| 04/17/1991 | EP0422974A1 Process and installation for the production of gaseous oxygen in variable quantities by the distillation of air |
| 04/17/1991 | EP0422105A1 Metal oxide ceramic powders and methods of making same. |
| 04/17/1991 | EP0422013A1 Method for intercalating organic-swelled layered metal chalcogenide with polymer chalogenide by treatment with organic, hydrolyzable, polymeric chalcogenide precursor wherein organic hydrolysis by-products are removed |
| 04/16/1991 | US5008087 Sealed at one end to permit reverse gas flow |
| 04/11/1991 | CA2027266A1 Liquid phase reaction process |
| 04/10/1991 | CN2074764U High-effective al screen electrode ozone discharge tube |
| 04/09/1991 | CA1282713C Process for producing oxygen-enriched gas |
| 04/03/1991 | EP0419581A1 Method for intercalating organic-swelled layered metal chalcogenide with a polymeric chalcogenide by plural treatments with polymeric chalcogenide precursor |
| 04/03/1991 | CN1050369A Process of production of glass transformed into continuous or staple fibers |
| 04/02/1991 | US5004587 Alternative Sources Of Energy |
| 03/27/1991 | EP0419322A1 Process of making glass to be transformed into continuous or discontinuous fibres |
| 03/26/1991 | US5002928 Atomizing metal compounds onto hot substrate |
| 03/26/1991 | US5002739 Ozone cell with cooling bellows |
| 03/26/1991 | US5002738 Movement ozone generator |
| 03/26/1991 | CA1282031C Ozone generation electrode comprising alumina ceramic plate and spaced screen |
| 03/20/1991 | EP0417866A1 Silicone polymer-coated powder or particulate material |
| 03/20/1991 | EP0417544A2 Process for preparing inorganic oxide pigments or ceramic oxide pigments |
| 03/20/1991 | EP0417253A1 Low temperature method of forming materials using one or more metal reactants and a halogen-containing reactant to form one or more reactive intermediates |
| 03/13/1991 | EP0416140A1 Device for removing hydrogen and harmful substances from a gas mixture containing hydrogen and oxygen |