| Patents for C01B 13 - Oxygen; Ozone; Oxides or hydroxides in general (14,838) |
|---|
| 07/28/1993 | EP0214308B1 Method for preparing super-fine spherical particles of metal oxide |
| 07/27/1993 | US5230729 Carbothermic reaction process for making nanophase WC-Co powders |
| 07/22/1993 | WO1993014558A1 Power supply |
| 07/22/1993 | WO1993014023A1 Process for the production of a powder of fine particles and a plant for performing said process |
| 07/22/1993 | WO1993014022A1 Process of forming metal compounds using reverse micelle or reverse microemulsion systems |
| 07/21/1993 | EP0552133A1 Process for preparing submicron/nanosize ceramic powders from precursors incorporated within a polymeric foam |
| 07/20/1993 | US5229465 Oxygen-permeable polymeric membranes |
| 07/20/1993 | US5229101 Containing lead and niobium |
| 07/20/1993 | US5229100 From hydrogen peroxide and chlorine gas |
| 07/20/1993 | US5228910 Particle size control |
| 07/20/1993 | US5228888 Economical air separator |
| 07/13/1993 | US5227195 Forming coating of metal carbide, metal oxide and/or metal nitride; intermediate is reacted with reactant containing carbon, oxygen or nitrogen |
| 07/13/1993 | US5226931 Process for supplying nitrogen from an on-site plant |
| 07/07/1993 | EP0550415A2 Polyoxometalate intercalated layered double hydroxides |
| 07/07/1993 | EP0550152A1 Treatment of water with ozone |
| 07/07/1993 | EP0550071A1 Method for manufacturing inorganic membranes by organometallic chemical vapor deposition |
| 07/07/1993 | EP0550070A1 Method for manufacturing inorganic membranes by organometallic chemical vapor infiltration |
| 07/07/1993 | EP0550049A1 Method for manufacturing ultrathin inorganic membranes |
| 07/06/1993 | US5225396 Method for forming an oxide superconducting film |
| 07/03/1993 | CA2086402A1 Method for manufacturing inorganic membranes by organometallic chemical vapor deposition |
| 07/03/1993 | CA2086388A1 Method for manufacturing inorganic membranes by organometallic chemical vapor infiltration |
| 06/30/1993 | EP0548755A1 Nitrogen adsorption with a Ca and/or Sr exchanged lithium X-zeolite |
| 06/30/1993 | EP0548569A2 Chemical oxygen generator with elements to control reaction |
| 06/30/1993 | EP0548567A2 Chemical oxygen generator with multi-component elements to control reaction |
| 06/30/1993 | CN2137155Y Device for purifying and sterilising air |
| 06/29/1993 | US5223105 Ultraviolet lamp, means to direct flow of oxygen-containing gas through zone of exposure to ultraviolet radiation and high voltage, low current electric field |
| 06/29/1993 | US5223004 Method for producing oxygen by adsorption separation from air |
| 06/29/1993 | CA1319476C Semi-permeable membranes with an internal discriminating region |
| 06/23/1993 | EP0547387A1 Membrane air drying and separation operations |
| 06/23/1993 | EP0547355A1 Membrane oxygen process and system |
| 06/23/1993 | EP0341312B1 Paste for forming superconductive ceramic film |
| 06/23/1993 | CN2136829Y Device of directly producing ozone from liquid |
| 06/22/1993 | US5221663 Method for repairing an oxide superconducting connecting line |
| 06/22/1993 | US5221388 Selective sealing of defective gas separation hollow fibers |
| 06/22/1993 | CA1319230C Process for preparing powadir membranes from tetrahalobisphenol a polycarbonates |
| 06/17/1993 | DE4141025A1 Vorrichtung und verfahren zur erzeugung von ozon Apparatus and process for production of ozone |
| 06/16/1993 | EP0546871A1 Process for the preparation of fergusonites and the obtained products |
| 06/16/1993 | EP0546014A1 Nitrogen atmospheres |
| 06/15/1993 | US5219829 Process and apparatus for the preparation of pulverulent metal oxides for ceramic compositions |
| 06/13/1993 | WO1993012035A1 Ozone generator |
| 06/10/1993 | WO1993010882A1 Method for producing a gas having a substantial oxygen content |
| 06/10/1993 | CA2101317A1 Method for producing a gas having a substantial oxygen content |
| 06/09/1993 | EP0545775A1 Perovskites on the basis of tantalum or niobium and process for its preparation |
| 06/09/1993 | EP0545466A1 Extrusion, collection, and drying of ceramic precursor gel to form dried gel particles |
| 06/09/1993 | EP0545135A1 Production of sols of metal oxides by electrolysis |
| 06/09/1993 | EP0544744A1 Ozonized water generator for sterilization and ozonotherapy |
| 06/09/1993 | CN2135567Y Negative ion generator for automobile |
| 06/09/1993 | CN1072904A Thermo-chemical circulation process for preparing hydrogen and oxygen gas |
| 06/07/1993 | CA2084628A1 Tentalum- or niobium-based perovskites and process for their preparation |
| 06/03/1993 | DE4233351A1 Metal oxide sol prepn. - by direct electrolysis of aq. soln. of metal salt, giving stable transparent sol |
| 06/02/1993 | EP0544272A1 Solid state cyanocobaltate complexes |
| 06/02/1993 | EP0543843A1 Process for producing metal hydroxides with a small specific area. |
| 06/02/1993 | CN1072740A Preparation of metal oxide sols by electrolysis |
| 06/02/1993 | CN1072611A Compressing oxygen |
| 05/31/1993 | CA2084024A1 Preparation of metal oxide sols by electrolysis |
| 05/27/1993 | WO1993011395A1 Combined adjustable-flow rate nitrogen and oxygen production method |
| 05/27/1993 | WO1993010038A1 Regeneration of hydrochloric acid |
| 05/27/1993 | CA2101258A1 Combined adjustable-flow rate nitrogen and oxygen production method |
| 05/26/1993 | CN1072469A Process and apparatus for conditioning ozone gas recycle stream in ozone pulp bleaching |
| 05/26/1993 | CN1072390A Safety oxygen producing agent (solid oxygen) |
| 05/26/1993 | CA2083209A1 Solid state cyanocobaltate complexes |
| 05/25/1993 | CA1318110C Methods for forming complex oxidation reaction products including superconducting articles |
| 05/21/1993 | CA2083093A1 Membrane air drying and separation operations |
| 05/19/1993 | EP0542434A1 Compressing oxygen |
| 05/19/1993 | CN1072105A Membrane oxygen process and system |
| 05/18/1993 | US5212152 Protection of oxide superconductors from degradation |
| 05/18/1993 | US5212148 Method for manufacturing oxide superconducting films by laser evaporation |
| 05/18/1993 | US5211962 Device and process for the production of oxide-ceramic materials |
| 05/18/1993 | US5211921 From alloy |
| 05/18/1993 | US5211919 Conductive electrode plates and dielectric members with gas chambers |
| 05/15/1993 | CA2082101A1 Compressing oxygen |
| 05/13/1993 | WO1993008987A1 Selective sealing of defective gas separation hollow fibers |
| 05/13/1993 | DE4136512A1 Compsn. for making conc. neutral metal oxide sol |
| 05/12/1993 | EP0541329A1 Composite metal hydroxide and process for the production thereof |
| 05/12/1993 | EP0540900A1 Cryogenic rectification system for producing high purity oxygen |
| 05/12/1993 | EP0317643B1 Method of producing oxide superconductor |
| 05/12/1993 | CN1071850A Low temp pressure swing adsorption with refrigeration |
| 05/06/1993 | CA2082114A1 Membrane oxygen process and system |
| 05/05/1993 | EP0539582A1 Adducts of clay and activated mixed metal oxides. |
| 05/05/1993 | EP0325659B1 Complex compounds for forming thin film of oxide superconductor and process for forming thin film of oxide superconductor |
| 05/05/1993 | CN1071601A Process for production of gas containing large oxygen |
| 05/04/1993 | US5207973 Atomizing drops of aqueous solution by pulsed electric field; forming metal hydroxide; drying |
| 05/04/1993 | US5207878 Method for the preparation of fine particulate metal-containing compound |
| 05/04/1993 | US5207814 Process for preparing monoliths of aerogels of metal oxides |
| 05/04/1993 | US5207806 Dual product pressure swing adsorption and membrane operations |
| 04/29/1993 | WO1993008636A1 Power supply |
| 04/28/1993 | EP0332686B1 Process for preparing metallic oxides |
| 04/28/1993 | CN2130808Y Oxygen generator using magnetic force to seperate air |
| 04/28/1993 | CN1071346A Dual product pressure swing adsorption process and system |
| 04/28/1993 | CN1071345A Dual product pressure swing adsorption and membrane operations |
| 04/27/1993 | US5206216 Applying laser beam onto target containing components of an oxide superconductive material and depositing particles scattered from the target on a heated base material |
| 04/27/1993 | US5206215 Process for obtaining precursors for high critical temperature superconductor ceramics comprising a first and second precipitation |
| 04/27/1993 | US5206213 Depositing ceramic layers on smooth substrate; heat treatment |
| 04/27/1993 | US5205994 Electrolytic ozone generator |
| 04/25/1993 | CA2081279A1 Process for supplying nitrogen from an on-site plant |
| 04/21/1993 | EP0538103A1 Improved power supply device for ozonizer |
| 04/21/1993 | EP0538102A1 Power supply device for ozonizer |
| 04/21/1993 | EP0537850A1 Method for preparing inorganic oxide-based materials with monodispersed particle size, and resultant materials |
| 04/21/1993 | EP0537831A1 Process for producing a gas with high oxygen content |
| 04/21/1993 | EP0537614A1 Dual product pressure swing adsorption and membran operations |