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)
11/1990
11/14/1990EP0397192A2 Dry, high purity nitrogen production process and apparatus
11/14/1990EP0397145A2 Ozone deodorizer for refrigerators
11/14/1990EP0396986A2 Raw material mixture with improved workability, process for its production and use thereof
11/13/1990US4970056 Quartz
11/13/1990US4969935 Process for treating a gaseous mixture by adsorption
11/13/1990CA1276225C Ozonator power supply
11/12/1990CA2016569A1 Dry, high purity nitrogen production process and system
11/12/1990CA2016520A1 Mixture of raw materials with improved processing properties, a process for their preparation and their use
11/08/1990DE4014169A1 Spacing dielectric on inner electrode from outer electrode - in tubular ozoniser by springy metal tongues to maintain constant flow channel
11/08/1990DE4014168A1 Maintaining tubular ozoniser discharge cap - by helical strip wound from glass components and adhesively bonded to internal structure
11/07/1990EP0396435A1 Polyaza derivatives and their metal complexes for use in the fixation of oxygen
11/07/1990EP0396249A2 Movement ozone generator
11/07/1990EP0395714A1 Processes for microemulsion polymerization employing novel microemulsion systems
11/07/1990CN2065366U High-efficiency novel ozone generator
11/06/1990US4968498 Hydrolysis of alcoholate in presence of acid or derivative
11/06/1990CA1275783C Preparation of unagglomerated metal oxide particles with uniform particle size
10/1990
10/31/1990EP0395243A2 Inorganic particles
10/31/1990CN2064679U Device for preparation of oxygen-rich air
10/30/1990US4966737 Method and a device for manufacturing a powder of amorphous ceramic or metallic particles
10/30/1990US4966666 Focusing electric discharge onto fluid confined between dielectric material and electrode
10/27/1990CA2015454A1 Inorganic particles
10/25/1990DE3900618A1 Selective fresh air separation
10/24/1990EP0394015A2 Methods for producing high temperature superconducting materials
10/24/1990EP0261111B1 Pressure swing adsorption process and apparatus
10/18/1990WO1990012425A1 Method for applying a layer of superconducting material and a device suitable therefor
10/18/1990WO1990011858A1 Low temperature method of forming materials using one or more metal reactants and a halogen-containing reactant to form one or more reactive intermediates
10/18/1990WO1990011857A1 Method and reactor for obtaining powdered refractory material
10/18/1990WO1990011828A1 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
10/18/1990WO1990011827A1 Method for intercalating organic-swelled layered metal chalcogenide with a polymeric chalcogenide by plural treatments with polymeric chalcogenide precursor
10/18/1990WO1990008731A3 Preparation of a uniform mixed metal oxide
10/17/1990EP0392685A2 Process for producing particulate ceramic materials
10/17/1990EP0392630A1 Method for applying a layer of superconducting material and a device suitable therefor
10/17/1990EP0392430A2 Oxide superconductor and method of the production thereof
10/16/1990US4963331 With electroconductive cap and threaded adaptor for quick connection
10/10/1990EP0391448A2 Method for production of powder of fine inorganic particles
10/10/1990EP0391447A2 Method for production of inorganic oxide particles
10/10/1990EP0391150A1 Process for the production of low-carbon fine particle ceramic powder
10/10/1990CA2014237A1 Particulate ceramic materials and production thereof
10/09/1990US4962131 Containing solvent-nonsolvent mixture
10/09/1990US4962086 Oriented high transition temperature layers on substrates
10/04/1990WO1990011249A1 Method of obtaining complex oxides
10/03/1990EP0390470A2 Storage medium, storage method and stored information reading method
10/03/1990EP0390159A2 Ozone deodorizing device
10/03/1990CN2063122U Household comprehensive treatment device for drinking water
10/03/1990CN1045706A Oxygen supply system with nitrogen-permeable-oxygen-enriching membrane
10/02/1990US4960570 Compact; efficiency
10/02/1990US4960569 Heat transfer from the hotter to the cooler of dielectrics and the first or second electrode; nondeforming
10/02/1990CA1274855A1 Metal oxide microspheres and process for making same
09/1990
09/26/1990EP0388754A1 Method for obtaining superconducting oxide ceramic coatings on a substrate by means of a CVD-process
09/26/1990EP0340262A4 Semi-permeable membranes with an internal discriminating region
09/26/1990CN1045630A Gas responance device
09/26/1990CN1009728B Process for the manufacture of a metal oxide powder for ceramic materials and metal oxide powder produced by this process
09/25/1990USRE33352 Absorption process for producing oxygen and nitrogen and solution therefor
09/25/1990US4959135 Polyalkylamine complexes for ligand extraction and generation
09/25/1990US4959083 Separation of gas mixtures
09/22/1990WO1990011248A1 Controlled release of desired product through the controlled reaction of precursor
09/22/1990CA2048687A1 Controlled release of desired product through the controlled reaction of precursor
09/20/1990DE4008144A1 Sterilisier- und desodoriervorrichtung Sterilizing and deodorizing
09/19/1990EP0388245A1 Agent resistant to AIDS virus
09/19/1990EP0387307A1 Chemical reactions in reverse micelle systems
09/19/1990CN2062224U Deodorization device
09/13/1990DE3907429A1 Ioniser for the effective generation of ozone
09/12/1990EP0386471A1 Device for generating ozone
09/11/1990US4956335 Superconductivity, multilayer, copper oxide, thin films on substrates
09/11/1990US4956157 Process for separating salts in seawater
09/11/1990US4955998 Process for separating gas
09/11/1990US4955993 Semi-permeable hollow fiber gas separation membranes possessing a non-external discriminating region
09/07/1990WO1990009844A1 Method for intercalating organic-swelled layered metal chalcogenide with polymer chalcogenide
09/05/1990EP0385453A1 Microwave ceramic magnetic material manufacturing process
09/05/1990EP0385177A1 Ozone generator
09/05/1990EP0364543A4 Viscosity-modifiers for aqueous-based functional products
09/05/1990EP0261590B1 Process for the preparation of metal oxides or mixed metal oxides
09/04/1990US4954321 Method and apparatus for ozone generation
09/04/1990CA1273647A1 Production of ceramic powders by emulsion precipitation processes and the products thereof
08/1990
08/29/1990EP0384760A2 Improved inorganic pigments and their preparation
08/29/1990EP0272306B1 Oligomerization of olefins
08/29/1990EP0271563B1 Layered silicates and their synthesis
08/29/1990EP0270659B1 Layered metal oxides containing interlayer oxides and their synthesis
08/29/1990CN2061058U Conduit type preparation device of oxygen
08/28/1990US4952340 Vibratory ion vapor generator and method
08/28/1990US4952289 Macrocyclic amine complexes for ligand extraction and generation
08/27/1990CA2010689A1 Process for producing powders
08/25/1990WO1990009843A1 Method and apparatus for ozone generation
08/25/1990CA2031201A1 Method and apparatus for ozone generation
08/23/1990WO1990009987A1 Polynitrogenous derivatives and their metallic complexes which can be used for oxygen fixation
08/23/1990WO1990009683A1 Protection of superconductors from degradation
08/23/1990CA2027578A1 Polynitrogen derivatives and their metal complexes used for oxygen fixation
08/23/1990CA2007949A1 Inorganic pigments and process for their preparation
08/22/1990EP0180900B1 Process for the adjustment of the structure and/or surface characteristics of oxidized materials
08/21/1990US4950315 Multiple head pumping
08/21/1990US4950312 Silica-bound calcium-containing zeolite a granulate
08/21/1990CA1272983A1 Device for producing ozone
08/16/1990EP0382310A2 Process for preparing monoliths of aerogels of metal oxides
08/16/1990EP0381722A1 Process and apparatus for the production of fuel gas and the enhanced release of thermal energy from such gas
08/16/1990DE3904418A1 Device and method of disinfecting and/or deodorising the interior of a microwave oven
08/16/1990DE3833582A1 Selective fresh air separation
08/16/1990DE3831669A1 Selective fresh air separation
08/14/1990US4948506 Physicochemically functional ultrathin films by interfacial polymerization
08/14/1990US4948477 For the production of oxygen using hydrogen reducible lunar minerals, ilmenite and agglutinates
08/09/1990WO1990008731A2 Preparation of a uniform mixed metal oxide
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