Patents
Patents for C01B 13 - Oxygen; Ozone; Oxides or hydroxides in general (14,838)
11/1993
11/17/1993CN2146268Y Medical immediate oxygen generating bag
11/16/1993US5262373 Alkali metal salt oxidizer
11/16/1993US5262023 Contacting an aqueous carbonate solution having a ph of greater than 8 with a semiconductor carrying a metal or metal compound and irradiating
11/16/1993US5261947 Process for the production of a gas having a substantial oxygen content
11/16/1993US5261932 Process for recovering oxygen from gaseous mixtures containing water or carbon dioxide which process employs ion transport membranes
11/16/1993US5261875 Method and apparatus for injection of gas hydrates
11/16/1993CA1324422C Dense high temperature ceramic oxide superconductors
11/16/1993CA1324340C Ozone generator
11/14/1993CA2068600A1 Method and device for charging particles
11/11/1993WO1993022386A1 Improved process for preparing silica coated inorganic particles
11/11/1993DE4214724A1 High purity ceramic oxide powder of particle size 1.0-500 nm - shows low deviation from mean particle size lying within a narrow range, being composed of metal oxide(s), e.g. 2-alumina and zirconium oxide
11/11/1993DE4214719A1 Metallic and/or ceramic powders - produced by gas phase reaction (CVR) of metallic cpds. plus other named reactants in tubular reactor have narrow, predetermined size range and high purity
11/10/1993EP0568670A1 Regeneration of hydrochloric acid.
11/10/1993EP0240529B2 Compositions of particulate magnetic oxides with a structure of the lacunar spinel type, preparation and application thereof
11/04/1993DE4214282A1 Ozone decomposition catalyst of manganese oxide mixt. and alumina - with specified deg. of oxidn., surface area and porosity, used esp. for quantitative sepn. of ozone in monitoring air quality
11/04/1993DE4213832A1 Mfr. of ceramic powder by pyrolysis - through action of microwaves on organo-metallic precursors
11/03/1993EP0567529A1 Oxygen-absorbing label.
11/03/1993CN2145026Y Multipurpose oxygen generator for medical service
11/02/1993US5258165 Mating edges with electrodes and dielectrics
10/1993
10/28/1993WO1993021127A1 Method of manufacturing surface-modified ceramic powders with particles in the nanometre size
10/28/1993WO1993020925A1 Rotary device for separating at least one component of a gaseous mixture by adsorption
10/28/1993DE4214631A1 Fine ceramic powder prodn. with good sintering properties - by impregnating starter material with precursor and heating to decompose using microwave beam
10/28/1993CA2111207A1 Rotary device for separating at least one component of a gaseous mixture by adsorption
10/28/1993CA2094302A1 Ozone generation apparatus
10/27/1993EP0567114A2 Discharge reactor
10/27/1993EP0395667B1 Continuous process for production of fine particulate ceramics
10/27/1993CN2144644Y Full ionization shape ozone generating tube
10/26/1993US5256611 Wear resistance; sol-gel process; inorganic pigments
10/26/1993US5256389 High surface area metal oxide foams
10/21/1993DE4212633A1 Verfahren zur Herstellung oberflächenmodifizierter nanoskaliger keramischer Pulver Process for the preparation of surface-modified nanoscale ceramic powder
10/20/1993EP0565790A1 Oxygen concentrator utilizing electrochemical cell
10/19/1993US5254317 Device for generating ozone
10/14/1993WO1993020022A1 Process for producing carbonaceous composition
10/13/1993CN2143616Y Multi-layer plate electric discharging room for ozone generator
10/13/1993CN2143615Y Multipole electrolytic ozone generator
10/13/1993CN1022384C Oxygen enriched air system
10/12/1993US5252550 Method of producing a composite oxide superconductive wire
10/12/1993US5252547 Vapor depositing a halogen-free protective coatings consisting of an oxides, a carbides or a nitrides
10/12/1993US5252545 Dense high temperature ceramic oxide superconductors
10/12/1993US5252314 Method for producing coprecipitated multicomponent oxide powder precursors using guanidine oxalate as precipitating agent
10/12/1993CA1322971C Process for producing high purity oxygen gas from air
10/12/1993CA1322967C Membrane separation system and process
10/06/1993EP0564107A1 Method and apparatus for producing ozone
10/06/1993CN1076912A Portable ozone generator using xe source and electromagnetic wave
10/05/1993US5250101 Process for the production of fine powder
10/01/1993CA2092376A1 Treating materials with ozone
09/1993
09/30/1993WO1993018854A1 Electrolytic cell for generating sterilization solutions having increased ozone content
09/28/1993US5248662 Laser ablation method of preparing oxide superconducting films on elongated substrates
09/28/1993US5248320 Compressing oxygen
09/28/1993CA1322443C Semi-permeable membranes comprising predominantly of polycarbonates derived from tetrahalobisphenols
09/22/1993CN2142455Y Small sized high frequency ozone generator
09/22/1993CN2142454Y Multipurpose controllable oxygen generator
09/21/1993US5246899 Simplified preparation of hydrotalcite-type clays
09/21/1993US5246676 Separation of air
09/21/1993US5246673 Delta singlet oxygen continuous reactor
09/17/1993EP0572634A4 Combined adjustable-flow rate nitrogen and oxygen production method.
09/16/1993WO1993018200A1 Process for producing thin films of inorganic oxides of controlled stoichiometry
09/16/1993WO1993017962A1 CHEMICAL OXYGEN GENERATING COMPOSITIONS CONTAINING Li2O¿2?
09/16/1993WO1993017961A1 Non-toxic chemical oxygen generating compositions
09/16/1993WO1993017959A1 Production of transparent cationically homogeneous refractory oxides of nanometer-scale particle size diameters at reduced temperatures
09/16/1993CA2131791A1 Process for producing thin films of inorganic oxides of controlled stoichiometry
09/15/1993EP0560740A1 Apparatus and process for electrolytic ozone generation
09/15/1993EP0560166A1 Process and apparatus for the production of ozone
09/14/1993US5245110 Process for producing and utilizing an oxygen enriched gas
09/14/1993US5244872 Precipitation of salt, sintering
09/08/1993CN2141682Y Food and dinner set sterilizing cover
09/07/1993US5242674 Process for preparing crystalline mixed metal oxides
09/07/1993CA1322010C Inorganic, insoluble industrial raw material producible from waste and method for its production and use
09/02/1993WO1993016966A1 Compositions, methods, and apparatus for separating oxygen from a gaseous mixture
09/01/1993EP0558201A1 Treating liquids
09/01/1993EP0558093A2 Method of producing superconducting wire
09/01/1993EP0316390B1 Method for producing a fine powder of metal oxide (zirconium, hafnium, titanium) having a specific surface or a predetermined grain size
09/01/1993CN2141296Y Small oxygen generating and supply device
09/01/1993CN1075701A Treating of liquid
08/1993
08/31/1993US5240493 Process for preparing submicron/nanosize ceramic powders from precursors incorporated within a polymeric foam
08/31/1993US5240480 Multicomponent metallic oxide dense layer and multicomponent metallic oxide porous layer
08/31/1993US5240473 Utilization of ion transport membranes formed from multicomponent metal oxides
08/31/1993US5240472 Membrane system; dryer unit incorporates selective surface flow adsorbent membrane of gamma-alumina or silica gel
08/25/1993EP0556224A1 Method for producing a powder of mixed metal oxides
08/25/1993EP0451152B1 Ceramic powders
08/25/1993CN2140745Y High-efficiency environmental sterilizer
08/24/1993US5239098 Selective separation and recovery of oxygen from oxygen-containing fluid stream
08/24/1993US5238671 Chemical reactions in reverse micelle systems
08/24/1993CA1321557C Process for recovering oxygen enriched gas
08/23/1993CA2089969A1 Treating liquids
08/19/1993WO1993016012A1 Method for preparing a mixed metal oxide powder suitable for producing electrical capacitors
08/19/1993WO1993016001A1 Ozone generator having an electrode formed of a mass of helical windings and associated method
08/19/1993CA2129848A1 Ozone generator having an electrode formed of a mass of helical windings and associated method
08/17/1993US5236890 Hydrolyzing rare earth and alkaline earth metal alkoxides with cupric nitrate trihydrate; shaping; pyrolysis; carbonate-free
08/17/1993US5236874 Method for forming a material layer in a semiconductor device using liquid phase deposition
08/17/1993US5236673 Ozonation system for treatment of water in cooling towers
08/17/1993US5236651 Silica gel
08/17/1993US5236622 Process for producing a monodispersed glycol suspension of fine inorganic oxide particles having excellent dispersion stability
08/17/1993US5235816 Recovering oxygen from a mixture of oxgyen, nitrogen and argon
08/11/1993EP0554457A1 Plate-shaped ozonizer
08/10/1993US5235158 Endless belt which carries layer of metal compound solution to furnace for drying, then oxidation
08/10/1993US5234556 Irradiating a metalalkoxide solution to break the metal-alkoxy group bond; forming metal oxide prepolymer
08/10/1993CA1321154C Method for densely packing molecular sieve adsorbent beds in a psa system
08/03/1993US5232627 Thickening aqueous caly dispersion by stirring a mixed metal oxide compound therein
08/03/1993CA1320940C Clean nanocrystalline powders and articles made therefrom