Patents
Patents for C01B 13 - Oxygen; Ozone; Oxides or hydroxides in general (14,838)
07/1998
07/22/1998EP0765345B1 Preparation of dehydroxylated supports
07/22/1998EP0636111B1 Method of manufacturing surface-modified ceramic powders with particles in the nanometre size
07/22/1998CN1188070A Ozone generator
07/21/1998US5783105 Tin powder as fuel and rheology modifier, transition oxide catalyst and alkaline compound
07/15/1998CN2286175Y Magnetic oxygen generator
07/14/1998US5779770 Magnetic field type oxygen enriched air producing apparatus
07/14/1998US5779767 Use of zeolites and alumina in adsorption processes
07/09/1998WO1998029182A1 High frequency pressure swing adsorption
07/08/1998EP0852147A1 Deodorizing and sterilizing device having catalyst deterioration sensing function
07/08/1998CN2285769Y Miniature oxygen producer capable of supplying oxygen in constant amount
07/07/1998US5776788 Method for forming a strong dielectric film by the sol-gel technique and a method for manufacturing a capacitor
07/07/1998US5776264 Method for producing amorphous based metals
07/07/1998US5776239 Forming oxalate salt with metal compound and ammonia, filtration after reaction with water
07/02/1998WO1998028466A1 Composition and process for fabricating metal oxide films
07/01/1998EP0850876A1 Pyrogenically prepared doped oxides
07/01/1998EP0850679A2 Solid electrolyte membrane with mechanically-enhancing constituent and porous catalytically enhancing constituents
07/01/1998EP0759803B1 Composite structure including a solid electrolyte and at least one volume electrode
06/1998
06/30/1998US5773162 Direct methanol feed fuel cell and system
06/30/1998US5772976 Chemical gas generator
06/30/1998US5772754 Ultrafine particles and production method thereof
06/25/1998WO1998026871A1 Nanotubes, use and manufacture of same
06/25/1998WO1998019351A3 Nanostructured ion conducting solid electrolytes
06/24/1998EP0849337A2 Surface-fluorinated metal oxide particulates, process for manufacturing the same and use of the same
06/24/1998EP0848981A1 Pressure swing adsorption plant to separate oxygen from the air and process to operate the same
06/24/1998EP0848658A1 Chemical vapor deposition and powder formation using thermal spray with near supercritical and supercritical fluid solutions
06/24/1998EP0848639A1 Oxygen enriched air generation system
06/24/1998CN2284777Y Device for prep. of ozone
06/24/1998CN1185489A Electrochemical method for purification of hydroxide
06/24/1998CN1185350A Electrochemical process for purifying hydroxide compounds
06/23/1998US5770172 Preparation of iron oxides and iron sulfides, coal liquefaction catalysts
06/23/1998US5770168 Ozone-generator self adjusting push-pull circuit
06/23/1998US5770126 High producing rate of nano particles by laser liquid interaction
06/18/1998WO1998025686A1 Pulsator for obtaining oxygen from air, and principle of operation thereof
06/18/1998DE19651458A1 Pressure swing adsorption plant for recovery of atmospheric oxygen@
06/17/1998EP0848077A1 Thermal barrier coating systems and materials
06/17/1998EP0847791A1 Pressure swing adsorption plant to seperate oxygen from the air and process to operate the same
06/16/1998US5766560 For generating ozone from oxygen-containing gas; flat dielectric plate, electrodes producing corona discharge
06/16/1998US5766317 Microspheres for combined oxygen separation, storage and delivery
06/16/1998US5766310 Modified pressure swing adsorption
06/10/1998EP0575591B1 Method for producing a gas having a substantial oxygen content
06/10/1998DE19727539C1 Small-scale oxygen production
06/10/1998CN1183998A Magnetic air separating technology with high efficiency and low power consumption
06/10/1998CN1038651C Method and system for dual product pressure adsorption and membrane operations
06/09/1998US5763347 In-situ crystallized zeolite containing composition (LAI-ISC)
06/09/1998US5762886 Ozone generator
06/05/1998CA2223377A1 Doped, pyrogenically prepared oxides
06/04/1998WO1998023532A1 N-alkyl ammonium acetonitrile activators in dense gas cleaning and method
06/04/1998DE19752769A1 Cleaning especially of semiconductor wafer using ozone
06/04/1998CA2273086A1 N-alkyl ammonium acetonitrile activators in dense gas cleaning and method
06/03/1998EP0845505A2 Spherical colour pigments, process for their preparation and their use
06/03/1998CN2283057Y Ozone generator
06/03/1998CN2283056Y Multifunctional air oxygenerator
06/02/1998US5759939 Composite metal oxide adsorbents
06/02/1998US5759497 Ozone generating apparatus
06/02/1998CA1339889C Process for preparing a metal (zirconium, hafnium, tinanium) oxide fine power with specific surface or a predetermined particle size
05/1998
05/28/1998WO1998022392A1 LaMO3 TYPE COMPOSITION, M BEING ALUMINIUM, GALLIUM OR INDIUM, IN POWDER OR SINTERED FORM, METHOD OF PREPARATION AND USE AS CONDUCTOR OF OXYGEN
05/28/1998WO1998022387A1 Nanostructured oxides and hydroxides and methods of synthesis therefor
05/28/1998WO1998022386A1 A vehicle and method for storing ozone
05/28/1998CA2272409A1 A vehicle and method for storing ozone
05/28/1998CA2243441A1 Nanostructured oxides and hydroxides and methods of synthesis therefor
05/27/1998CN1182634A Separating method for gas mixture containing oxygen and nitrogen
05/26/1998US5756054 Ozone generator with enhanced output
05/26/1998US5755856 Process of recovering oxygen-enriched gas
05/26/1998US5755840 Method for providing oxygen in gas process
05/22/1998WO1998021772A1 Storage and delivery of pressurized gases in microbubbles
05/22/1998WO1998021144A1 Ozone generator
05/20/1998EP0842990A2 Spherical colour pigments, process for their preparation and their use
05/20/1998EP0842900A1 Composite oxide having oxygen absorption and release capabilities and process for preparing the same
05/20/1998EP0842898A1 Method for the preparation of fine globular particles of yttrium oxide
05/20/1998CN2281979Y Machine for ozone generator
05/19/1998US5753097 Using electrochemical cell
05/19/1998US5753007 Oxygen production by ion transport membranes with non-permeate work recovery
05/14/1998WO1998019965A1 Microwave plasma chemical synthesis of ultrafine powders
05/14/1998WO1998019962A1 High-voltage generator with voltage control on the basis of the discharge current
05/14/1998WO1998019961A2 Devices and methods for producing and using ozone
05/13/1998CN2281348Y 臭氧产生器 Ozone generator
05/13/1998CN2281347Y Ceramic electrode plate for ozone generation
05/13/1998CN2281185Y Controllable oxygen generator
05/13/1998CN2281184Y Small size oxygen concentrator for breath by method of using membrane
05/12/1998US5751007 Method and apparatus for generating a predetermined amount of ozone using ultraviolet light
05/12/1998US5750020 Cyclic, fluidized catalytic-cracking of hydrocarbon feedstock including oxides of nitrogen and sulfur, converting nitrogen oxide in regeneration zone by exposing gas stream to a catalyst bed of microcrystalline mixed oxides
05/07/1998WO1998019351A2 Nanostructured ion conducting solid electrolytes
05/07/1998DE19645548A1 Water treatment process and assembly draws small charge of water from maincharge
05/06/1998EP0742782B1 Basic layered lattice compounds
05/06/1998CN2280524Y Controllable oxygen administration device
04/1998
04/29/1998EP0838010A2 High pressure gas exchanger
04/29/1998CN2280086Y 臭氧发生器 Ozone generator
04/28/1998US5744118 Mixing absorbent resin and metal salts, swelling and gelation, adjustment of ph, pyrolysis and roasting
04/28/1998US5744015 Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions
04/23/1998WO1998016472A1 Cerium and zirconium oxides, mixed oxides and solid solutions having improved thermal stability for catalysis of exhaust gas systems and methods of producing
04/22/1998EP0837032A1 An ozone generator
04/22/1998EP0836495A1 Delivery of oxygen-supersaturated physiologic solutions
04/22/1998CN2279355Y Improved structure for airosol generator
04/21/1998US5742070 Method for preparing an active substance of chemical cells
04/21/1998US5741947 Etherification
04/21/1998US5741887 Agents and methods for generation of active oxygen
04/21/1998US5741526 Antimicrobial agent
04/21/1998CA2092175C Plate-type ozonizer
04/16/1998WO1998015500A1 Compositions and methods for preparing porous metal oxides
04/16/1998WO1998015495A1 Device for producing ozone