Patents
Sitemap › C01 - Inorganic chemistry › C01B - Non-metallic elements; Compounds thereof › C01B 13 - Oxygen; Ozone; Oxides or hydroxides in general
Patents for C01B 13 - Oxygen; Ozone; Oxides or hydroxides in general (14,838)
12/1991
12/17/1991US5073360 Bridge/lamellar metallic oxides
12/17/1991US5073359 Process for manufacturing ceramic magnetic material
12/14/1991CA2044445A1 Porous matrix material comprising a second element in a dispersed form, and fabrication process of said material
12/14/1991CA2044396A1 Air-intake system for residential furnaces
12/11/1991EP0460512A1 Membrane formed of crystalline molecular sieve material
12/11/1991CN1056827A Polyoxometatate intercalated layered double hydroxides
12/10/1991US5071827 Production of superconductor materials
12/10/1991US5071635 Method of preparing ceramic microspheres
12/07/1991CA2043438A1 Ozone generator apparatus and method
12/04/1991CN1014975B Layered oxides containing interlayer polymeric oxides and their syntesis
12/03/1991US5069880 Water purification
12/03/1991US5069794 Semipermeability
12/01/1991WO1991018662A1 Air purifying system
12/01/1991CA2083967A1 Air purifying system
11/1991
11/27/1991EP0458217A2 Oxygen recovery from turbine exhaust using solid electrolyte membrane
11/27/1991CN1056566A 空气分离 Air Separation
11/26/1991WO1991018670A1 Polyoxometalate intercalated layered double hydroxides
11/25/1991CA2042912A1 Oxygen recovery from turbine exhaust using solid electrolyte membrane
11/25/1991CA2042853A1 Oxygen extraction from externally fired gas turbines
11/21/1991EP0457277A2 Ceramic superconductor and method of preparing the same
11/20/1991CN2088866U Miniature multifunction high efficient ozone sterilising device
11/20/1991CN1056292A Process for producing oxygen enriched product steam
11/19/1991US5066617 Method for producing plzt powder
11/19/1991US5066530 Ultraviolet Sunscreen
11/14/1991DE4114769A1 Corona discharge element - having high melting point linear semiconductor electrode
11/13/1991EP0455879A2 Synthesis of submicron powders under reduced oxygen pressure
11/12/1991US5064808 Heating, oxidation, ignition
11/12/1991US5064791 Ion exchanging, precipitation, uniform surface coating
11/12/1991US5064783 Production of spherical ceramic powders
11/12/1991US5064718 Precipitation in dipersant copolymer of acrylated polyether and acrylate monomer
11/12/1991US5064517 Exothermic reaction of organometallic compound with oxygen or oxygen containing gas by laser irradiation
10/1991
10/31/1991WO1991016265A1 Process for the synthesis of high porosity, high specific surface metallic oxides, oxides obtained and catalysts containing same
10/30/1991EP0454327A1 Air separation
10/30/1991EP0454239A2 Inorganic oxide aerogel microbeads of narrow pore diameter distribution and the method for their preparation
10/29/1991US5061684 Material vaporized from cathode; stoichiometry of deposit adjusted by heat treatment
10/29/1991US5061682 Anionic oxidation-reduction reaction; high temperature superconductors
10/29/1991US5061301 Process for the preparation of surface modified, multilayered, composite membranes for oxygen enrichment and the gas separation membranes
10/29/1991US5061298 Gas separating membranes formed from blends of polyimide polymers
10/23/1991EP0452480A1 Spray conversion process for the production of nanophase composite powders
10/23/1991CN1055524A Oxygen-supply device
10/22/1991US5059578 Thermosetting phenolic resin of specific infrared absorption, polyvinyl alcohol or cellulose binder, molding heat treating
10/17/1991DE4011882A1 Zeolite granulate calcination in rotary calciner - with closed spiral screw, useful for high activity esp. in oxygen purificn., by pressure swing adsorption
10/16/1991EP0451782A2 Method of preparing oxide superconducting film
10/16/1991EP0451641A1 Method of manufacturing oxide high-temperature superconductor thin film by means of molecular-beam epitaxy
10/15/1991CA1290706C Process for increasing the concentration of one component in a multi-component gaseous mixture
10/09/1991EP0450785A1 Air separator
10/09/1991EP0449880A1 Cellulose acetate bound photosensitizer for producing singlet oxygen
10/09/1991CN1055205A Solid multi-component membranes, electrochemical reactor components reactor for oxidation reactions
10/09/1991CN1014233B Oligomerization of olefins
10/08/1991CA1290136C Process for preparing fine particles of metal oxides
10/02/1991EP0449448A1 Process for producing oxygen enriched product stream
10/02/1991EP0449317A2 Method of preparing oxide superconducting thin film
10/02/1991EP0449128A2 Substrate material for the preparation of oxide superconductors
10/02/1991CN1054911A Gas separating device
10/01/1991US5053580 From mixtures of vaporized chromyl chloride, titanium tetrachloride, and vanadyl chloride by laser pyrolysis
10/01/1991US5053059 Air-intake system for residential furnaces
09/1991
09/28/1991WO1991014654A1 Aluminum-base oxides, moldings thereof, and production of said oxides
09/28/1991WO1991014649A1 Process to separate dioxygen from a gas mixture
09/28/1991CA2056410A1 Process using transition metal complexes to separate dioxygen fro a gas mixture by electrochemical reduction of complexes
09/27/1991CA2020502A1 Process for the in-situ production of a sorbent-oxide aerosol used for removing effluents from a gaseous combustion stream
09/27/1991CA2020501A1 Process for the production of metal-oxide aerosols for fuel emissions control
09/26/1991DE4009422A1 Sinterable oxide powder prodn. - from metal soap(s), esp. for mfg. oxide-ceramic
09/25/1991EP0447767A1 Method of preparing oriented, polycrystalline superconducting ceramic oxides
09/25/1991EP0447418A1 An improvement in corona discharge arrangements for the removal of harmful substances generated by the corona discharge
09/24/1991US5051394 Precipitation and roasting
09/24/1991CA2037985A1 Economical air separator
09/18/1991CN2084931U Portable chemical oxygen producing and saving device
09/17/1991US5049371 Process for the preparation of monodisperse ceramic powders
09/17/1991US5049306 Oxygen generating candles
09/12/1991DE4106568A1 Appts. for directly forming dissolved ozone in circulated liq. - holding spaced electrodes emitting spaced AC pulses
09/12/1991DE4006968A1 Mixed blue and green algae for regenerating used air - mixed with nutrients in sealed chamber and fed with light and used air, esp. for submarines submerged for long periods
09/11/1991EP0422013A4 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
09/11/1991EP0419581A4 Method for intercalating organic-swelled layered metal chalcogenide with a polymeric chalcogenide by plural treatments with polymeric chalcogenide precursor
09/10/1991US5047389 Substrate for ceramic superconductor
09/10/1991US5047388 Superconductor and method for its production
09/10/1991US5047174 Production of stable metal oxide sols
09/10/1991US5047127 Ozone generating method
09/10/1991CA1288644C Oxide superconductive material and method of manufacturing the same
09/10/1991CA1288573C Metallic oxide powder manufacturing process for use in ceramics, and zirconium powder thus made
09/05/1991WO1991013185A2 Device for producing films of mixed metal oxides
09/05/1991WO1991012881A1 Process for treating a powder and device therefor
09/05/1991DE4006489A1 Vorrichtung zum herstellen duenner schichten aus metallmischoxiden aus organischen metallverbindungen auf einem substrat Apparatus for producing thin films of mixed metal oxides from organic metal compounds on a substrate
09/04/1991EP0444698A2 Method of and apparatus for preparing oxide superconducting film
09/04/1991EP0444060A1 Production of metal oxide powder, and zirconium oxide powder
09/03/1991WO1991012874A1 Method for producing oxygen by adsorption separation from air
09/03/1991USRE33678 Having the membranes positioned within an insulated enclosure heated to maintain superheat conditions for the feed gas (air)
09/03/1991US5045169 Stacked cells
09/03/1991CA2054199A1 Process for producing oxygen by adsorption separation from air
08/1991
08/29/1991DE4006139A1 Three layer composite membrane for gas sepn.
08/28/1991EP0443259A1 Solid oxide electrochemical oxygen generator
08/27/1991US5043104 Apparatus for gas absorption in a liquid
08/24/1991WO1991012912A1 Metal/superconducting oxide composites and preparation thereof
08/24/1991CA2049353A1 Metal/superconducting oxide composites and preparation thereof
08/22/1991DE4005328A1 Verfahren zur konditionierung eines pulvers und vorrichtung dafuer Method for conditioning a powder and apparatus therefor
08/21/1991CN1013571B Device for production ozone
08/13/1991US5039657 Preparation of superconducting oxide films by reactive evaporation using ozone
08/13/1991US5039452 Metal oxide varistors, precursor powder compositions and methods for preparing same
08/13/1991US5039314 Scrubbing, adsorbing in pressure-swing adsorption system and circulating gas flow; efficiency
08/13/1991CA1287612C Layered metal chalcogenides containing interlayer chalcogenides and their synthesis
08/13/1991CA1287611C Layered metal oxides containing interlayer oxides and their synthesis
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